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6cg7 GE MACTHED PAIR (2)

Ende: 28.07. 2023 15:35:00 am Freitag
  • Zustand: Neu: Sonstige
  • Preis: 35.65 EUR FESTPREIS
  • Status: verkauft
  • Artikelnummer: 155690291131
  • Verkäufer: glassbatman81 (95|100.0%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Kokomo, Indiana USA
  • Versand nach: Worldwide
  • Versandkosten: 24,24 EUR
  • bei ebay
  • Beschreibung

    6cg7 GE MACTHED PAIR (2). Thin black plate Same construction as the Tung-sol Its actually the same tube just labeled one for GE and one for TUNGSOL Im wondering if these are the rare engineering samples. Horseshoe getters.

JAPAN 1 Silvertone + 2 JAPAN 6CG7 6FQ7 TUBES big ring Rib Plate Long Grey plates

Ende: 28.07. 2023 06:21:44 am Freitag
  • Zustand: Gebraucht
  • Preis: 36.39 EUR Auktion
  • Status: nicht verkauft
  • Artikelnummer: 285397030471
  • Anzahl Gebote: 0
  • Verkäufer: hifi-vtube (63|100.0%)
  • Verkäufertyp: Privat
  • Ort: CHINA China
  • Versand nach: Worldwide
  • Versandkosten: 8,1 EUR
  • bei ebay

MAGNAVOX 6FQ7 6CG7 VACUUM TUBE SINGLE NOS NIB Valvola Lampe Röhre Valve

Ende: 28.07. 2023 02:09:53 am Freitag
  • Zustand: Neu: Sonstige
  • Preis: 16.36 EUR FESTPREIS
  • Status: nicht verkauft
  • Artikelnummer: 225664247071
  • Verkäufer: mercedesman6572 (16494|99.7%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Tonopah, Arizona USA
  • Versand nach: Worldwide
  • Versandkosten: 18,16 EUR
  • bei ebay
  • Beschreibung

      TUBE HUNTER VACUUM TUBE GEMS THESE ARE THE SPECIFICS OF THE TUBE/TUBES FOR SALE THESE ARE THE TUBE/TUBES FOR SALE:    MANUFACTURER:                               MAGNAVOX PRODUCTION CITY:                                     USA TUBE TYPE:     6CG7 DESIGNATION:                                             US MADE  YEAR:     1966 MONTH OR WEEK    48 Date code match    SINGLE SILK SCREEN CONDITION %:                    100% MICA:    2 PLATES:    GREY GM %:     97% and 100% SINGLE/PAIR/QUAD/MULTI:     SINGLE GETTER:                                                          O GETTER                       DATE:    66-48   NOS NIB   This auction is for ONE TUBE. NOS NIB ALL TUBES ARE TESTED BEFORE THEY SHIP! Normal 0 false false false EN-US X-NONE X-NONE On my tester a B&K 747 tester:    Below 55 = BAD      55-65 = ?     65 -100 = Good     100-120+ = NOS     I want to see you happy with your purchase. I will never sell a tube that is below standard…… I have sold many tubes here on Ebay, and all my customers have been completely satisfied. I will work with you in good faith if there are any problems, or if you are unsatisfied in any way. I want your business now and in the future, so I assume you are the boss, and I am the employee. All tubes are tested for shorts, continuity, and emissions. I prefer PayPal. ALL CUSTOMERS PLEASE READ ALL NOTES BEFORE BUYING FROM ME !! 1.  RETURNS: It is my highest desire that you are completely satisfied with your purchase from me. I will bend over backwards to make sure that you are a happy customer. If anything you buy from me is less than satisfactory, message me BEFORE you either open a case or hit the “item not as described” button. Sound quality is tremendously SUBJECTIVE. For tubes returned for noise or sound quality of any kind you pay for the shipping we refund the purchase. We refund the price of the item NOT THE SHIPPING COST. If we sent the wrong tube we will of course pay for return shipping. For any tubes that are DOA we require that you send a us a picture of the shipping box to show us the damage. We test EVERY tube sent out and none should be DOA unless broken in shipping. 2.    PLEASE NOTE:  Tube silkscreen (lettering on the tubes) is VERY fragile. It can be wiped off and destroyed VERY easily. If you wipe off the silkscreen while handling the tube you diminish their value by up to 70%. DO NOT handle the tubes or hold them from the cylinder. ALWAYS hold them from the ENDS. If you are returning tubes and they are not in the same condition cosmetically I cannot give you a full refund. THIS IS VERY IMPORTANT. 3.  UNLESS YOU MAKE ARRANGEMENTS WITH US BEFORE YOU PURCHASE, YOU MUST PAY FOR ITEMS PURCHASED WITHIN 2 DAYS OR A CASE WILL BE OPENED FOR AN UNPAID ITEM!!! 4. TESTING: I test all tubes that I sell in one way or another, or I will state untested. I have a B&K 747 tube tester. This is a mutual conductance tester. It give a percentage value of gm for the tube under test and checks for shorts and grid emissions. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations for tubes. One evaluation is a screen shot of the tube with a high voltage applied to the plate. This helps the buyer see the linearity of the tube in question at the highest voltage the tube will see in a real circuit. The Curve tracer steps the triode through 10 gate/grid voltages starting with -10 volts and going to 0 volts. The lines show how the tube conducts throughout that range. At 0 volt the tube is at max conduction and is the top line on the display. It is easy at that point to take where that top line intersects the plate voltage, find the milliamp level and compare it to the datasheet. I give those numbers for you in the Item condition box. To further help the buyer I also include the Design values, for gm and ma readings in the table. This can then be compared to other tube sellers using inferior test methods such as Hickok,  Amplitrex, and other testers. The Tektronix curve tracer gives values within 3% of the actual value. The very best portable testers only can approach 10% accuracy.5.    Please note: The numbers given for gm are what I see on my tester. I DO NOT guarantee that you will see those numbers on your tester. I only guarantee that these tubes will test good, with no shorts, or gas, on a decent calibrated tester. I dont guarantee or imply anything else. 6. VERY IMPORTANT!!! Vintage tube testers almost always, due to age, have VERY LOW HEATER VOLTAGES!!!  Every tester I have ever bought is below 6 volts when selecting 6.3 volts. They average 5.8 volts. The voltage NEEDS to be 6.3 and 12.6. You can calibrate a vintage tube tester all you want. If the heater voltage is not right, you will NEVER get the right gm value. I have customers complain that their tubes are not the same as what I see on my tester. They say they have a calibrated tube tester. I have 40 tube testers. On all of them I have an outside regulated DC power supply that feeds the tube tester the correct heater voltage. 7. I dont check each and every tube for noise or tone. This is SUBJECTIVE and it is too time consuming. If you dont like the noise level or the tone we offer a hassle free refund policy.  International customers note: 1. Please wait for us to invoice you for the correct amount. If you have purchased more than one item, we must calculate how much the shipping will be. Shipping will be HIGHER due to insurance and shipping methods needed for expensive item totals. If you are buying only one item this will not be an issue. 2. Under no circumstances will we state on a US customs a declared value of less than the sale price. This is an honesty issue. We are honest with everyone to the best of our ability to do so. We want you to trust that what we say is true. There cannot be that trust, if we make false statements knowingly to anyone. If your country has tariffs/taxes so high that they cause large numbers of normally honest folks to make false statements, we urge you to work for change of those laws. 3 International buyers if you bought more than one item and want combined shipping it will ship in 2 days. 4. And all the Angels sang because the heavenly music was playing and it was turned all the way up.   Listing and template services provided by inkFrog

SYLVANIA 6CG7 WITH SHIELD VACUUM TUBE SINGLE TESTS AT 81% AND 81%

Ende: 28.07. 2023 02:09:50 am Freitag
  • Zustand: Neu: Sonstige
  • Preis: 10.07 EUR FESTPREIS
  • Status: nicht verkauft
  • Artikelnummer: 325720322012
  • Verkäufer: mercedesman6572 (16488|99.7%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Tonopah, Arizona USA
  • Versand nach: Worldwide
  • Versandkosten: 20,99 EUR
  • bei ebay
  • Beschreibung

      TUBE HUNTER VACUUM TUBE GEMS THESE ARE THE SPECIFICS OF THE TUBE/TUBES FOR SALE THESE ARE THE TUBE/TUBES FOR SALE:    MANUFACTURER:                               SYLVANIA PRODUCTION CITY:                                     USA TUBE TYPE:     6CG7 DESIGNATION:                                             US MADE  YEAR:     1960s MONTH OR WEEK      Date code match    SINGLE SILK SCREEN CONDITION %:                    100% MICA:    2 PLATES:    GREY WITH SHIELD GM %:     81% and 81% SINGLE/PAIR/QUAD/MULTI:     SINGLE GETTER:                                                          O TOP GETTER                       DATE:          NOS NIB  This auction is for ONE TUBE. NOS NIB ALL TUBES ARE TESTED BEFORE THEY SHIP! Normal 0 false false false EN-US X-NONE X-NONE On my tester a B&K 747 tester:    Below 55 = BAD      55-65 = ?     65 -100 = Good     100-120+ = NOS     I want to see you happy with your purchase. I will never sell a tube that is below standard…… I have sold many tubes here on Ebay, and all my customers have been completely satisfied. I will work with you in good faith if there are any problems, or if you are unsatisfied in any way. I want your business now and in the future, so I assume you are the boss, and I am the employee. All tubes are tested for shorts, continuity, and emissions. I prefer PayPal. ALL CUSTOMERS PLEASE READ ALL NOTES BEFORE BUYING FROM ME !!1.  RETURNS: It is my highest desire that you are completely satisfied with your purchase from me. I will bend over backwards to make sure that you are a happy customer.If anything you buy from me is less than satisfactory, message me BEFORE you either open a case or hit the “item not as described” button.Sound quality is tremendously SUBJECTIVE. For tubes returned for noise or sound quality of any kind you pay for the shipping we refund the purchase. We refund the price of the item NOT THE SHIPPING COST. If we sent the wrong tube we will of course pay for return shipping. For any tubes that are DOA we require that you send a us a picture of the shipping box to show us the damage. We test EVERY tube sent out and none should be DOA unless broken in shipping.2.    PLEASE NOTE:  Tube silkscreen (lettering on the tubes) is VERY fragile. It can be wiped off and destroyed VERY easily. If you wipe off the silkscreen while handling the tube you diminish their value by up to 70%. DO NOT handle the tubes or hold them from the cylinder. ALWAYS hold them from the ENDS. If you are returning tubes and they are not in the same condition cosmetically I cannot give you a full refund. THIS IS VERY IMPORTANT.3.  UNLESS YOU MAKE ARRANGEMENTS WITH US BEFORE YOU PURCHASE, YOU MUST PAY FOR ITEMS PURCHASED WITHIN 2 DAYS OR A CASE WILL BE OPENED FOR AN UNPAID ITEM!!!4. TESTING: I test all tubes that I sell in one way or another, or I will state untested. I have a B&K 747 tube tester. This is a mutual conductance tester. It give a percentage value of gm for the tube under test and checks for shorts and grid emissions. I also use a Tektronix curve tracer for testing triodes. I give a number of evaluations for tubes. One evaluation is a screen shot of the tube with a high voltage applied to the plate. This helps the buyer see the linearity of the tube in question at the highest voltage the tube will see in a real circuit. The Curve tracer steps the triode through 10 gate/grid voltages starting with -10 volts and going to 0 volts. The lines show how the tube conducts throughout that range. At 0 volt the tube is at max conduction and is the top line on the display. It is easy at that point to take where that top line intersects the plate voltage, find the milliamp level and compare it to the datasheet. I give those numbers for you in the Item condition box. To further help the buyer I also include the Design values, for gm and ma readings in the table. This can then be compared to other tube sellers using inferior test methods such as Hickok,  Amplitrex, and other testers. The Tektronix curve tracer gives values within 3% of the actual value. The very best portable testers only can approach 10% accuracy.5.    Please note: The numbers given for gm are what I see on my tester. I DO NOT guarantee that you will see those numbers on your tester. I only guarantee that these tubes will test good, with no shorts, or gas, on a decent calibrated tester. I dont guarantee or imply anything else.6. VERY IMPORTANT!!! Vintage tube testers almost always, due to age, have VERY LOW HEATER VOLTAGES!!!  Every tester I have ever bought is below 6 volts when selecting 6.3 volts. They average 5.8 volts. The voltage NEEDS to be 6.3 and 12.6. You can calibrate a vintage tube tester all you want. If the heater voltage is not right, you will NEVER get the right gm value. I have customers complain that their tubes are not the same as what I see on my tester. They say they have a calibrated tube tester. I have 40 tube testers. On all of them I have an outside regulated DC power supply that feeds the tube tester the correct heater voltage.7. I dont check each and every tube for noise or tone. This is SUBJECTIVE and it is too time consuming. If you dont like the noise level or the tone we offer a hassle free refund policy.  International customers note:1. Please wait for us to invoice you for the correct amount. If you have purchased more than one item, we must calculate how much the shipping will be. Shipping will be HIGHER due to insurance and shipping methods needed for expensive item totals. If you are buying only one item this will not be an issue. 2. Under no circumstances will we state on a US customs a declared value of less than the sale price. This is an honesty issue. We are honest with everyone to the best of our ability to do so. We want you to trust that what we say is true. There cannot be that trust, if we make false statements knowingly to anyone. If your country has tariffs/taxes so high that they cause large numbers of normally honest folks to make false statements, we urge you to work for change of those laws.3 International buyers if you bought more than one item and want combined shipping it will ship in 2 days.4. And all the Angels sang because the heavenly music was playing and it was turned all the way up.Listing and template services provided by inkFrog

GE 6CG7 6FQ7 Vacuum Tubes Matched Pair Gray Plate TV-7 Tested Strong

Ende: 27.07. 2023 15:31:30 am Donnerstag
  • Zustand: Gebraucht
  • Preis: 13.53 EUR FESTPREIS
  • Status: verkauft
  • Artikelnummer: 325744835111
  • Verkäufer: retrodave12 (5213|100.0%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Santa Barbara, California USA
  • Versand nach: Americas
  • Versandkosten: 16,72 EUR
  • bei ebay
  • Beschreibung

    Two GE 6CG7 vacuum tubes are identical in construction Tested with a calibrated TV-7D/U tube tester. Calibration by Daniel Nelson. Code: unreadable NOS/Used: used Construction: gray plate round getters copper rods Glass: clearBase:-Tested at: 101/98 plate current 11.5/11.2 91/90 plate current 10.1/10.1Average new 83/83Minimum good 50/50Tested for shorts and gas. 30-day free return. Your items will be packed very well and shipped promptly.We combine shipping on tubes.Always glad to answer any questions.Thanks for looking!

6FQ7 6CG7 Used tube lot TV7 Tested

Ende: 26.07. 2023 23:48:33 am Mittwoch
  • Zustand: Gebraucht
  • Preis: 27.65 EUR Auktion
  • Status: nicht verkauft
  • Artikelnummer: 266341004446
  • Anzahl Gebote: 0
  • Verkäufer: balicr2 (886|95.1%)
  • Verkäufertyp: Privat
  • Ort: Santa Ana, California USA
  • Versand nach: US
  • Versandkosten: 22,66 EUR
  • bei ebay
  • Beschreibung

    Used lot. All test good and about 50% life left. Mostly all RCA I think. 3 early black plates marked 6gc7. 6 grey plate marked 6fq7/6cg7. These are not clear top variety. Asis no guarantees and no returns. All tested on a calibrated Hickok tv7

6CG7 6FQ7 Sylvania Tubes Set Of 10 Conrad Johnson Altec A.R.C. Scott Audio Amp

Ende: 26.07. 2023 20:46:20 am Mittwoch
  • Zustand: Neu: Sonstige
  • Preis: 81.1 EUR Auktion
  • Status: nicht verkauft
  • Artikelnummer: 285385361612
  • Anzahl Gebote: 0
  • Verkäufer: oldaudio-guy (322|100.0%)
  • Verkäufertyp: Privat
  • Ort: Rockford, Michigan USA
  • Versand nach: US
  • Versandkosten: 39,48 EUR
  • bei ebay
  • Beschreibung

    6CG7/6FQ7 Sylvania tubes. Set of 10. From a collection of a Big Time Radio / Tube collector. Check other auctions for radio tubes from the collection of this Big Time Radio Mans estate!

6FQ7 / 6CG7 RCA Tubes TESTED Pr. Conrad Johnson Audio Research Fisher Altec HAM

Ende: 26.07. 2023 20:44:01 am Mittwoch
  • Zustand: Gebraucht
  • Preis: 20.28 EUR Auktion
  • Status: nicht verkauft
  • Artikelnummer: 285385359561
  • Anzahl Gebote: 0
  • Verkäufer: oldaudio-guy (322|100.0%)
  • Verkäufertyp: Privat
  • Ort: Rockford, Michigan USA
  • Versand nach: US
  • Versandkosten: 38,37 EUR
  • bei ebay
  • Beschreibung

    6FQ7 / 6CG7 RCA Tubes. Matched Pair. These will give You that BIG Rich, Creamy, RCA Sound! Tested on a Dan Nelson Calibrated Military TV7-D Tester at 100 %. Minimum is 50 %. Results as shown in Pics. Will be sent in a nice big box. Check out other tubes from this BIG TIME Radio Guy. P7

6FQ7 / 6CG7 RCA Tubes TESTED Set of 5 C-J Audio Reaserch Fisher Altec ARC

Ende: 26.07. 2023 20:44:01 am Mittwoch
  • Zustand: Gebraucht
  • Preis: 22.12 EUR Auktion
  • Status: nicht verkauft
  • Artikelnummer: 285385359618
  • Anzahl Gebote: 0
  • Verkäufer: oldaudio-guy (322|100.0%)
  • Verkäufertyp: Privat
  • Ort: Rockford, Michigan USA
  • Versand nach: US
  • Versandkosten: 38,4 EUR
  • bei ebay
  • Beschreibung

    6FQ7 / 6CG7 RCA Tubes. Set of 5. Get That BIG Clean Creamy RCA Sound! Tested out nice & high on a Dan Nelson Calibrated Military TV7-D Tester. Minimum is 50 %. Results as shown in Pics. Sticker fell off of one tube. Will be sent in a nice big box. Check out other tubes from this BIG TIME Radio Guy. P9

6FQ7 / 6CG7 - AUDIO GUITAR AMPLIFIER HAM RADIO TV tube -- lot of [4]

Ende: 26.07. 2023 01:06:01 am Mittwoch
  • Zustand: Gebraucht
  • Preis: 8.04 EUR Auktion
  • Status: nicht verkauft
  • Artikelnummer: 385754336456
  • Anzahl Gebote: 0
  • Verkäufer: 3d_electrical (7933|99.6%)
  • Verkäufertyp: Privat
  • Ort: Flemington, New Jersey USA
  • Versand nach: Worldwide
  • Versandkosten: 27,78 EUR
  • bei ebay
  • Beschreibung

    A (4) piece lot of audio - guitar - amplifier - HAM - radio - TV tubes, type 6FQ7 / 6CG7. The tubes are used, various brands. Tubes test good on the Heath IT-17 tube tester. While youre here, please have a look at my other listings! Payment: Pay-Pal is preferred. I will accept a check from USA. Kindly make your payment within 4 business days. Shipping & handling: the cost listed is the EBAY calculated price to ship via USPS from 08822 to continental US. If you are elsewhere, require tracking, need insurance, or prefer other shipping arrangements, please contact me. Shipping can often be combined for multiple purchases. No charge for packing with care! Please verify that your shipping address is correct and valid.

2 x 6CG7 RCA Tubes*Black-D*Center Shield*Very Strong & Balanced*1950s

Ende: 25.07. 2023 22:54:50 am Dienstag
  • Zustand: Gebraucht
  • Preis: 82.94 EUR FESTPREIS
  • Status: nicht verkauft
  • Artikelnummer: 374778292153
  • Verkäufer: fng2u (6458|98.9%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Morganville, New Jersey USA
  • Versand nach: US
  • Versandkosten: 27,42 EUR
  • bei ebay
  • Beschreibung

    2 x 6CG7 RCA Tubes Made in USA Center shield D getter Lettering is smudged/missing Testing on Enhanced Triplet E3444 Laboratory Tester, modified by Paul Hart Results = 2520/2550 micromhos @ 6.5/7.3 mA 2560/2440 micromhos @ 7.7/7.5 mA Bogey(100% or new) = 2600/2600 micromhos @ 9.0/9.0 mA +/- 10% The measurements in this listing were taken on a Triplett 3444 modified to test the tube as an amplifier in accordance with RMA/EIA specifications, utilized by all US and most foreign tube manufacturers. This tester applies test conditions for this tube as shown below (including the precise filament voltage) and then measures transconductance (gm) in accordance with the engineering definition of gm. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. A tube must be tested in this manner to compare its test results with the manufacturer’s original intent or with other tubes of the same type. Most tube testers do not apply the test conditions required or conduct a valid gm test. For more details on the test and our test equipment, please contact us.The test conditions for this listing are__250_Volts plate, __250_Volts screen, ___-8.0___Volts bias or Cathode resistance*What were your tubes tested at?I do combine shipping

2 x 6CG7 RCA Tubes*Black-D*Center Shield*Very Strong & Balanced*1950s

Ende: 25.07. 2023 22:54:50 am Dienstag
  • Zustand: Gebraucht
  • Preis: 55.29 EUR FESTPREIS
  • Status: nicht verkauft
  • Artikelnummer: 285351231947
  • Verkäufer: fng2u (6458|98.9%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Morganville, New Jersey USA
  • Versand nach: US
  • Versandkosten: 26,9 EUR
  • bei ebay
  • Beschreibung

    2 x 6CG7 RCA Tubes Made in USA Center shield D getter Lettering is smudged/missing Testing on Enhanced Triplet E3444 Laboratory Tester, modified by Paul Hart Results = 2350/2250 micromhos @ 7.5/6.2 mA 2300/2390 micromhos @ 7.0/6.6 mA Bogey(100% or new) = 2600/2600 micromhos @ 9.0/9.0 mA +/- 10% The measurements in this listing were taken on a Triplett 3444 modified to test the tube as an amplifier in accordance with RMA/EIA specifications, utilized by all US and most foreign tube manufacturers. This tester applies test conditions for this tube as shown below (including the precise filament voltage) and then measures transconductance (gm) in accordance with the engineering definition of gm. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. A tube must be tested in this manner to compare its test results with the manufacturer’s original intent or with other tubes of the same type. Most tube testers do not apply the test conditions required or conduct a valid gm test. For more details on the test and our test equipment, please contact us.The test conditions for this listing are__250_Volts plate, __250_Volts screen, ___-8.0___Volts bias or Cathode resistance*What were your tubes tested at?I do combine shipping

2 x 6CG7 RCA Tubes*Black-D*Center Shield*Super Strong & Balanced*1950s

Ende: 25.07. 2023 22:54:49 am Dienstag
  • Zustand: Gebraucht
  • Preis: 92.15 EUR FESTPREIS
  • Status: nicht verkauft
  • Artikelnummer: 285351231631
  • Verkäufer: fng2u (6458|98.9%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Morganville, New Jersey USA
  • Versand nach: US
  • Versandkosten: 27,59 EUR
  • bei ebay
  • Beschreibung

    2 x 6CG7 RCA Tubes Made in USA Center shield D getter Lettering is smudged/missing Testing on Enhanced Triplet E3444 Laboratory Tester, modified by Paul Hart Results = 2750/2600 micromhos @ 8.4/8.7 mA 2550/2720 micromhos @ 9.4/9.0 mA Bogey(100% or new) = 2600/2600 micromhos @ 9.0/9.0 mA +/- 10% The measurements in this listing were taken on a Triplett 3444 modified to test the tube as an amplifier in accordance with RMA/EIA specifications, utilized by all US and most foreign tube manufacturers. This tester applies test conditions for this tube as shown below (including the precise filament voltage) and then measures transconductance (gm) in accordance with the engineering definition of gm. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. A tube must be tested in this manner to compare its test results with the manufacturer’s original intent or with other tubes of the same type. Most tube testers do not apply the test conditions required or conduct a valid gm test. For more details on the test and our test equipment, please contact us.The test conditions for this listing are__250_Volts plate, __250_Volts screen, ___-8.0___Volts bias or Cathode resistance*What were your tubes tested at?I do combine shipping

1 x 6CG7 RCA Tube*Black-D*Center Shield*Strong & Balanced*NOS*NIB*1956

Ende: 25.07. 2023 22:54:49 am Dienstag
  • Zustand: Neu: Sonstige
  • Preis: 75.56 EUR FESTPREIS
  • Status: nicht verkauft
  • Artikelnummer: 285351231342
  • Verkäufer: fng2u (6458|98.9%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Morganville, New Jersey USA
  • Versand nach: US
  • Versandkosten: 27,28 EUR
  • bei ebay
  • Beschreibung

    1 x 6CG7 RCA Tube Made in USA Center shield D getter Date code 56-48 = 1956 Testing on Enhanced Triplet E3444 Laboratory Tester, modified by Paul Hart Results = 2520/2600 micromhos @ 7.4/8.3 mA Bogey(100% or new) = 2600/2600 micromhos @ 9.0/9.0 mA +/- 10% I do combine S&H The measurements in this listing were taken on a Triplett 3444 modified to test the tube as an amplifier in accordance with RMA/EIA specifications, utilized by all US and most foreign tube manufacturers. This tester applies test conditions for this tube as shown below (including the precise filament voltage) and then measures transconductance (gm) in accordance with the engineering definition of gm. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. A tube must be tested in this manner to compare its test results with the manufacturer’s original intent or with other tubes of the same type. Most tube testers do not apply the test conditions required or conduct a valid gm test. For more details on the test and our test equipment, please contact us.The test conditions for this listing are__250_Volts plate, __250_Volts screen, ___-8.0___Volts bias or Cathode resistance*What were your tubes tested at?I do combine shipping

1 x 6CG7 RCA Tube*Black-D*Center Shield*Strong & Balanced*NOS*NIB*1957

Ende: 25.07. 2023 22:54:48 am Dienstag
  • Zustand: Neu: Sonstige
  • Preis: 73.72 EUR FESTPREIS
  • Status: nicht verkauft
  • Artikelnummer: 285351230981
  • Verkäufer: fng2u (6458|98.9%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Morganville, New Jersey USA
  • Versand nach: US
  • Versandkosten: 27,25 EUR
  • bei ebay
  • Beschreibung

    1 x 6CG7 RCA Tube Made in USA Center shield D getter Date code - KK = May 1957 Testing on Enhanced Triplet E3444 Laboratory Tester, modified by Paul Hart Results = 2740/2640 micromhos @ 8.3/7.8 mA Bogey(100% or new) = 2600/2600 micromhos @ 9.0/9.0 mA +/- 10% I do combine S&H The measurements in this listing were taken on a Triplett 3444 modified to test the tube as an amplifier in accordance with RMA/EIA specifications, utilized by all US and most foreign tube manufacturers. This tester applies test conditions for this tube as shown below (including the precise filament voltage) and then measures transconductance (gm) in accordance with the engineering definition of gm. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. A tube must be tested in this manner to compare its test results with the manufacturer’s original intent or with other tubes of the same type. Most tube testers do not apply the test conditions required or conduct a valid gm test. For more details on the test and our test equipment, please contact us.The test conditions for this listing are__250_Volts plate, __250_Volts screen, ___-8.0___Volts bias or Cathode resistance*What were your tubes tested at?I do combine shipping

Sylvania 6CG7 6FQ7 Vacuum Tubes Pair Gray Plate TV-7 Tested

Ende: 25.07. 2023 16:46:15 am Dienstag
  • Zustand: Gebraucht
  • Preis: 7.93 EUR FESTPREIS
  • Status: verkauft
  • Artikelnummer: 225690915325
  • Verkäufer: retrodave12 (5213|100.0%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Santa Barbara, California USA
  • Versand nach: Americas
  • Versandkosten: 16,72 EUR
  • bei ebay
  • Beschreibung

    Two Sylvania 6CG7 vacuum tubes identical in construction tested low but still has life in them Tested with a calibrated TV-7D/U tube tester. Calibration by Daniel Nelson. Code: ka AHO, YJZ NOS/Used: used Construction: gray plate round getters copper rods Glass: clearBase:-Tested at: 61/68 plate current 7.1/7.8 58/56 plate current 6.7/6.3Average new 83/83Minimum good 50/50Tested for shorts and gas. 30-day free return. Your items will be packed very well and shipped promptly.We combine shipping on tubes.Always glad to answer any questions.Thanks for looking!

6FQ7 / 6CG7 - AUDIO GUITAR AMPLIFIER HAM RADIO TV tube - lot of [4]

Ende: 25.07. 2023 01:19:01 am Dienstag
  • Zustand: Gebraucht
  • Preis: 8.97 EUR Auktion
  • Status: nicht verkauft
  • Artikelnummer: 204399920445
  • Anzahl Gebote: 0
  • Verkäufer: 3d_electrical (7933|99.6%)
  • Verkäufertyp: Privat
  • Ort: Flemington, New Jersey USA
  • Versand nach: Worldwide
  • Versandkosten: 27,75 EUR
  • bei ebay
  • Beschreibung

    A [4] piece lot of audio - guitar - amplifier - HAM - radio - TV tubes, type 6FQ7 / 6CG7. The tubes are used, various branding. Tubes test good on the Heath IT-17 tube tester. While youre here, please have a look at my other listings! Payment: Pay-Pal is preferred. I will accept a check from USA. Kindly make your payment within 4 business days. Shipping & handling: the cost listed is the EBAY calculated price to ship via USPS from 08822 to continental US. If you are elsewhere, require tracking, need insurance, or prefer other shipping arrangements, please contact me. Shipping can often be combined for multiple purchases. No charge for packing with care! Please verify that your shipping address is correct and valid.

2 RCA 6CG7 Vacuum Tubes Results =2400|2275 2160|2170 µmhos

Ende: 24.07. 2023 17:27:54 am Montag
  • Zustand: Gebraucht
  • Preis: 45.05 EUR FESTPREIS
  • Status: nicht verkauft
  • Artikelnummer: 185957364200
  • Verkäufer: greengirl613 (16211|100.0%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Matawan, New Jersey USA
  • Versand nach: Worldwide
  • Versandkosten: 14,95 EUR
  • bei ebay
  • Beschreibung

    2 RCA 6CG7 Vacuum Tubes ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? **** Tested on our proprietary tester , the E3444. Its a Triplett 3444 that has been enhanced. This tester uses regulated power sources for the bias, plate, & screen voltages, as well as modified operating & testing procedures. Filament voltage is also controlled. Tubes are tested in accordance with the manufacturers specifications; measurements closely align with a laboratory tester built to rigorously measure vacuum tube characteristics. Tubes can be accurately matched for gm & plate current at the manufacturers specified test points or at other specified test points. ***** This tester was prepared by Mr. Paul Hart of Roswell, GA ********************************************************************* Industry Bogey transconductance = 2600|2600µmhos Industry Bogey plate current = 9.0|9.0mA Results =2400|2275µmhos ~7.0|6.9mA = 2160|2170µmhos ~ 6.3|6.5mA ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ USA Shipping $6 ~ Higher Overseas I have many other types of tubes ~ Just Search MY store No Additional Shipping Charges *** All tubes Guaranteed ?????? Thank You! ?????? ~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirls Guaranteed VintageTubes 610

Vintage GE Zenith 6CG7 6FQ7 Copper Post Stereo Tube #1208 6665 8231 809198

Ende: 24.07. 2023 04:18:50 am Montag
  • Zustand: Gebraucht
  • Preis: 17.46 EUR FESTPREIS
  • Status: nicht verkauft
  • Artikelnummer: 185957121417
  • Verkäufer: greengirl613 (16211|100.0%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Matawan, New Jersey USA
  • Versand nach: Worldwide
  • Versandkosten: 14,95 EUR
  • bei ebay
  • Beschreibung

    Vintage GE Zenith 6CG7 6FQ7 Stereo Tube Copper Posts Tested on a Hickok6000A: Min = 2600/2600 4000/3900 USA Shipping $6 I have many other types of tubes No Additional Shipping Charges All tubes Guaranteed 119~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirls Guaranteed VintageTubes

H1335 Lot of 15 Mixed Brand vacuum tubes 6fq7 6cg7 Ge Rca More

Ende: 23.07. 2023 23:18:00 am Sonntag
  • Zustand: Gebraucht
  • Preis: 14.71 EUR Auktion
  • Status: verkauft
  • Artikelnummer: 374816722007
  • Anzahl Gebote: 1
  • Verkäufer: vacuum*tube*store (698|99.0%)
  • Verkäufertyp: Privat
  • Ort: Wilmington, North Carolina USA
  • Versand nach: Worldwide
  • Versandkosten: 27,75 EUR
  • bei ebay
  • Beschreibung

    Welcome! We have been one of the leading online suppliers of vacuum tubes for many years. Recently, we acquired a very large collection of tubes that we are excited to offer. We have tested and sold thousands of these tubes, and have many, many more to sell. After testing literally thousands of tubes from this collection, we have found only a small handful that did not test well. The vast majority tested strong. Buy with confidence, and if you are not happy with your purchase, you can send it back on your dime for a refund. We will combine shipping on multiple purchases within 5 days of the first auction ending. Payment must be made within 5 days or your purchase will be canceled and re-listed. We do not have the space to hold onto auctions for you for any longer than this. If you would like combined shipping, please wait to make payment until after we have sent your invoice. We send invoices each day after all auctions have ended for that day. Combined shipping can only be combined with this shop, not other shops with similar names. Thank you for shopping with us!

H1449 Lot of 15 Mixed Misc Brand 6cg7 vacuum tubes

Ende: 23.07. 2023 23:13:00 am Sonntag
  • Zustand: Gebraucht
  • Preis: 14.71 EUR Auktion
  • Status: verkauft
  • Artikelnummer: 374816771628
  • Anzahl Gebote: 1
  • Verkäufer: vacuum*tube*store (698|99.0%)
  • Verkäufertyp: Privat
  • Ort: Wilmington, North Carolina USA
  • Versand nach: Worldwide
  • Versandkosten: 27,75 EUR
  • bei ebay
  • Beschreibung

    Welcome! We have been one of the leading online suppliers of vacuum tubes for many years. Recently, we acquired a very large collection of tubes that we are excited to offer. We have tested and sold thousands of these tubes, and have many, many more to sell. After testing literally thousands of tubes from this collection, we have found only a small handful that did not test well. The vast majority tested strong. Buy with confidence, and if you are not happy with your purchase, you can send it back on your dime for a refund. We will combine shipping on multiple purchases within 5 days of the first auction ending. Payment must be made within 5 days or your purchase will be canceled and re-listed. We do not have the space to hold onto auctions for you for any longer than this. If you would like combined shipping, please wait to make payment until after we have sent your invoice. We send invoices each day after all auctions have ended for that day. Combined shipping can only be combined with this shop, not other shops with similar names. Thank you for shopping with us!

6CG7 6FQ7 SYLVANIA MATCHED PAIR (2) FULLY TESTED

Ende: 23.07. 2023 19:46:24 am Sonntag
  • Zustand: Vom Verkäufer generell überholt
  • Preis: 27.59 EUR Auktion
  • Status: nicht verkauft
  • Artikelnummer: 155670175516
  • Anzahl Gebote: 0
  • Verkäufer: glassbatman81 (77|100.0%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Kokomo, Indiana USA
  • Versand nach: US
  • Versandkosten: 19,95 EUR
  • bei ebay
  • Beschreibung

    6CG7 6FQ7 SYLVANIA MATCHED PAIR (2) FULLY TESTED. GREY PLATE HALO GETTER LIGHT USE IF USED AT ALL All tubes are fully tested for leakage, shorts, gas, life, and mutual conductance. Then they are matched according to brand, properties within the date of production, and mutual conductance. Matches are based on mutual conductance. I use two different, calibrated Hickok 539CS, Triplett 3444, a Weston model 981 type 3, and an Eico model 667. If they pass the testing, they will be sold with test data for that tube. Not all the testers are used with each tube, but if a tube is showing odd characteristics, I will test on other models. I also several different amps and hifi stereos for a lot of the models I sell. I can check for noise on my Hickoks and Triplett, but for the rare and high dollar tubes, I will sound check them under normal operating conditions. If the tubes arent matched within 6%, I will acknowledge that in the description. I also offer a money back guarantee. Buyer pays return shipping for local pickups, I advise you to bring the electronics that the tubes are going in, within reason. Im an honest seller and I stand by my product. Feel free to message me with questions. GlassBatman81

3794 HUGE LOT OF MISC BRANDS 12AF6 12AV6 17CT3 19FX5 19GQ7 6CG7 VACUUM TUBES

Ende: 23.07. 2023 03:26:00 am Sonntag
  • Zustand: Gebraucht
  • Preis: 7.35 EUR Auktion
  • Status: verkauft
  • Artikelnummer: 145195396161
  • Anzahl Gebote: 1
  • Verkäufer: audiotubesandmore (4722|99.4%)
  • Verkäufertyp: Gewerblich (mit Basis Shop)
  • Ort: Wilmington, North Carolina USA
  • Versand nach: Worldwide
  • Versandkosten: 61,42 EUR
  • bei ebay
  • Beschreibung

    Welcome to Vacuum Tube Depot llc! We have been one of the leading online suppliers of vacuum tubes for many years. Recently, we acquired a very large collection of tubes that we are excited to offer. We have tested and sold thousands of these tubes, and have many, many more to sell. After testing literally thousands of tubes from this collection, we have found only a small handful that did not test well. The vast majority tested strong. Buy with confidence, and if you are not happy with your purchase, you can send it back on your dime for a refund. We will combine shipping on multiple purchases within 5 days of the first auction ending. Payment must be made within 5 days or your purchase will be canceled and re-listed. We do not have the space to hold onto auctions for you for any longer than this. If you would like combined shipping, please wait to make payment until after we have sent your invoice. We send invoices each day after all auctions have ended for that day. Combined shipping can only be combined with this shop, not other shops with similar names. Thank you for shopping with Vacuum Tube Depot llc! We have tons of these flats loaded with tubes. We opened maybe tons boxes to make sure tubes matched the boxes, out of all the boxes we opened. Most matched, but several had the correct number but different brand from box. Sold as is

® ADAPTER CONVERTER 6CG7 to 6SN7 + USA BLACK PLATE D GETTER TUBE TESTED °=

Ende: 21.07. 2023 07:48:56 am Freitag
  • Zustand: Gebraucht
  • Preis: 24.95 EUR FESTPREIS
  • Status: nicht verkauft
  • Artikelnummer: 334921402542
  • Verkäufer: stabilozap (2218|100.0%)
  • Verkäufertyp: Privat
  • Ort: Auv Frankreich
  • Versand nach: Worldwide
  • Versandkosten: 13,95 EUR
  • bei ebay
  • Beschreibung

    =°=Clic ?Mes autres ventes, all my listings Adapter 6CG7 > 6SN7+ Tube 6CG7Tested: 87/89 %>>> voir photos, please see photos !!Tube was tested on my calibrated B&K747B Dynamic mutual conductance tester for :shorts / grid emission-leakage-gas mutual conductance & life test if necessary ( good range of the meter scale in % transconductance starts at 65 up to 120 % ) Tubes are guarantied not to be Dead On Arrival and to test as stated in this auction. Réduction sur la livraison dachats groupés en FRANCE: même prix de port, le plus élevé, quel que soit le nombre dobjets achetés, alors consultez mes autres ventes, MERCI. Envoi soigné garanti - Nhésitez pas à me contacter pour tout renseignement avant denchérir. idem en cas de problème ou derreur dans la description: communiquez, Errare humanum est... *****foreign buyers please note***** I always package my items with care to help insure they will arrive to you safelyYES, I really do combine shipping if you win more than one auction, to save you money on shipping: Please ask all questions before bidding and I will be happy to answer If a problem arises contact me and Ill try to fix the problem, Errare humanum est.....