4 balanced amperex 6dj8 ecc88 old stock audio tubes, legendary philips 60s energetic tone!popular 6922/e88cc plugin! low level texture reveal + transparency / stage getter extended highsdesigned for a variety of fast paced or live music styles! vocals tube mics preamps instruments+proprietary cali refurb / audio grade circuit ready / special low noise hp screened quadauthentic holland etch codes+fragile/faded real old labels (not a relabeler!)matched % gm 106/108~114/112~120/110~118/108 66/67/68/68 ~see our other listings for alternate hifidelity listening positions, bid/buy/bestoffer!~~cali acoustics~ ~vintage hifidelity / vacuum tube pro audio / warm bright tone lofi hifi~caliacoustics instagram (live) / caliacoustics.com (soon)~ ~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more apps!~~6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc~~12ax7 12au7 12at7 / ecc83 ecc82 ecc8~ ~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34~

balanced bugle boy 60s audio tubepro ranked vintage 6dj8 ecc88 by philips amperexlegendary front row style live musicalitywarm bass transparent tone realistic imagingaudio grade and 100% mutual gmincludes plain tube box, ships fast ~see our other listings for alternate listening positions! bid/buy/best offer~~cali acoustics~~vintage hifidelity tone vacuum tube pro audio warm bright / lofi hifi~~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audiotesearch arc echo ear herron decco lector manleyhorizons conrad frontiers pathos marantz vac psaudiobhk +more! caliacoustics insta~~6dj8 7dj8 6922 7308 ~ ecc88 pcc88 e88cc e188cc~~12ax7 12au7 12at7 ~ ecc83 ecc82 ecc81~~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~

100% gm audio grade philips amperex 6dj8 ecc88 tube quad, legendary early 60s tone! ~see our other listings for alternate listening positions! bid/buy/best offer~~cali acoustics~ ~vintage hifidelity tone / vacuum tube pro audio / warm bright lofi hifi~~cali acoustics instagram / cali acoustics dot com (soon!)~ ~6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc cv2492 cca ~~12ax7 12au7 12at7 / ecc83 ecc82 ecc81 ~ ~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34 (new!) ~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audiotesearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more apps~

Amperex Holland 6DJ8 ECC88 Large Halo Vacuum Tube (4) Available????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

4 rugged aframe amperex balanced 6dj8 audio tubes 100% gm audio grade legendary tone ~see our other amperex listings for alternate listening positions! bid/buy/best offer~~cali acoustics~ ~vintage hifidelity tone vacuum tube pro audio warm bright / lofi hifi~~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audiotesearch arc echo ear herron decco lector manleyhorizons conrad frontiers pathos marantz vac psaudiobhk +more! caliacoustics insta~ ~6dj8 7dj8 6922 7308 ~ ecc88 pcc88 e88cc e188cc~~12ax7 12au7 12at7 ~ ecc83 ecc82 ecc81~~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~

over 90% gm audio grade philips amperex 6dj8 ecc88 tube pair legendary dynamic 68 tone! ~see our other 6dj8/7dj8 listings for alternate listening positions, bid/buy/bestoffer~~cali acoustics~ ~vintage hifidelity tone vacuum tube pro audio warm bright / lofi hifi~~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audiotesearch arc echo ear herron decco lector manleyhorizons conrad frontiers pathos marantz vac psaudiobhk +more! caliacoustics insta~~6dj8 7dj8 6922 7308 ~ ecc88 pcc88 e88cc e188cc~~12ax7 12au7 12at7 ~ ecc83 ecc82 ecc81~~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~

Amperex Mullard 12AT7 ECC81 Vacuum Tube VF3 Very Strong Balanced ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The measurements provided were made on a Triplett 3444 that has been modified to test tubes in accordance with the original manufacturer’s stated test conditions, including bogey values. This includes the use of cathode bias where specified. This tester was prepared by Paul Hart of Roswell, GA.Further information is available on request. Industry Bogey transconductance =5500|5500µmhos Industry Bogey plate current = 11.0|11.0mA Results =5200|5300µmhos ~9.2|9.8mA ???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? USA Shipping $6I have many other types of tubes ~ No Additional Shipping ChargesAll tubes Guaranteed ?????? Thank You! ?????? ~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirls Guaranteed VintageTubes308

100% gm audio grade philips amperex 6dj8 ecc88 tube quad legendary dazzling 70s tone! ~see our other 6dj8/7dj8 listings for alternate listening positions! bid/buy/best offer~~cali acoustics~ ~vintage hifidelity tone vacuum tube pro audio warm bright / lofi hifi~~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audiotesearch arc echo ear herron decco lector manleyhorizons conrad frontiers pathos marantz vac psaudiobhk +more! caliacoustics insta~~6dj8 7dj8 6922 7308 ~ ecc88 pcc88 e88cc e188cc~~12ax7 12au7 12at7 ~ ecc83 ecc82 ecc81~~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~

105% gm audio grade philips amperex 6dj8 ecc88 tube quad legendary early 60s tone! ~see our other 6dj8/7dj8 listings for alternate listening positions! bid/buy/best offer~~cali acoustics~ ~vintage hifidelity tone vacuum tube pro audio warm bright / lofi hifi~~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audiotesearch arc echo ear herron decco lector manleyhorizons conrad frontiers pathos marantz vac psaudiobhk +more! caliacoustics insta~~6dj8 7dj8 6922 7308 ~ ecc88 pcc88 e88cc e188cc~~12ax7 12au7 12at7 ~ ecc83 ecc82 ecc81~~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~

Pair of Mullard/Amperex 12ax7. Made in Great Britain. Amperex Labelled. They look as never used. Test NOS & Perfectly Balanced. Tested with Hickok 600a tube tester, with 1250 as the reading of a nominal new 12ax7, the test scores are 1300/1300, 1300/1300.

pair of balanced 50s amperex 6dj8 ecc88 audio tubes, reference grade high res dgetters!transparent imaging pro bass euphony great for mics amps stereos vocals instruments+full gm test match 106/106~105/105 % gm (100+nos/65+good) and audio grade! circuit readycollectible hifidelity vintage audio, ships worldwide w/ plain tube boxes and free us post ~see our other listings for alternate listening positions, bid/buy/best offer~~cali acoustics~ ~vintage hifidelity tone vacuum tube pro audio warm bright lofi hifi~~6dj8 7dj8 6922 7308 ~ ecc88 pcc88 e88cc e188cc~~12ax7 12au7 12at7 ~ ecc83 ecc82 ecc81~~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~~preamps stereos vocals instruments mics rode k2 ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more apps ~caliacoustics.com (soon)~

1 12AX7 ECC83 AMPEREX Bugle Boy HiFi Guitar Amplifier Vintage Vacuum Tube Code I65 43C3 Tube Tested on a TV-7D/U Tester 32 is Minimum Tube Tests New 54-54 (balanced test results) PRICED TO SELL!!! Singerhouse Sound has been buying and selling vintage vacuum tubes and electronics for over 25 years. We will usually ship within 1 business day of receiving cleared payment. Please make payment within 2 days from end of auction.

2 old stock amperex 6dj8 ecc88 stereo tubes, rare limited runs! collectible 68/69 stagepopular 6922/e88cc circuit plugin w/ low level texture reveal / orange label 3d presence!realistic lively sound stage superb for vocals tube mics preamps instruments stereos+balance matched 99/95 ~ 93/91 % mutual gm (100%+nos/65+good) audio circuit readyauthentic holland etch codes! real old fragile labels (be aware of relabelers) ships worldwide! ~see our other listings for alternate hifidelity listening, best offer / buy / bid!~~cali acoustics~ ~vintage hifidelity / vacuum tube pro audio / warm bright tone lofi hifi~caliacoustics instagram (live) / caliacoustics.com (soon!)~ ~6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc cv2492 cca ~~12ax7 12au7 12at7 / ecc83 ecc82 ecc81 ~ ~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34 (new!) ~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more apps!~

4 pristine old stock amperex 6922 usa transparent audiophile tubes, white label curves/1 ray logofan fav vintage early 60s tone! liquid bass warmth lush mids / not as harsh as dgetters!balanced audio grade quad w/ old boxes 118/124 ~ 114/112 ~ 114/110 ~ 110/110 % gm ships fast(pending sale) ~more listening positions available! bid/buy/best offer~~cali acoustics~ ~hifidelity tone vintage vacuum tube pro audio warm bright lofi hifi~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk / caliacoustics insta6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 / ecc83 ecc82 ecc816bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34

1 x 12au7/ECC82 Amperex ? Tube Made in Holland A lot of the lettering missing Ribbed Grey plates O getter Codes ?6D4 = 1966 Tested on Enhanced Tripplet E3444 Laboratry Tester 2070/2180 micromhos @ 10.6 & 11.1 mA Bogey(100% or New) = 2200/2200 micromhos @ 10.0/10.0 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, ___-28.5___Volts bias or Cathode resistance*What were your tubes tested at? I do combine shipping

2 balanced bugle boy 60s audio tubespro ranked vintage 6dj8 ecc88 by philips amperexlegendary front row style live musicalitywarm bass transparent tone realistic imagingaudio grade and 100% mutual gm matchincludes plain tube boxes, ships fast ~see our other listings for alternate listening positions! bid/buy/best offer~~cali acoustics~~vintage hifidelity tone vacuum tube pro audio warm bright / lofi hifi~~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audiotesearch arc echo ear herron decco lector manleyhorizons conrad frontiers pathos marantz vac psaudiobhk +more! caliacoustics insta~~6dj8 7dj8 6922 7308 ~ ecc88 pcc88 e88cc e188cc~~12ax7 12au7 12at7 ~ ecc83 ecc82 ecc81~~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~

Amperex 6DJ8 ECC88 Vacuum Tube Very Strong Balanced ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Tested on an enhanced Triplet E3444 Laboratory Tester prepared by Paul Hart of Roswell, GA Industry Bogey transconductance =12,500|12,500µmhos Industry Bogey plate current = 15.0|15.0mA Results =12,500|12,300µmhos ~12.5|12.3mA 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 (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.????????????????????????????????USA Shipping $6 ~ Higher OverseasI 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 VintageTubesJ29

Amperex 6DJ8 ECC88 Stereo Tube Very Strong & Balanced Tested on a Hickok 6000A Micromhos NOS = 7000/7000 Min = 4200/4200 Results = 10,750/10,400 USA Shipping $6 ~ Higher Overseas I have many other types of tubes ~ Just Search MY store No Additional Shipping Charges *** All tubes Guaranteed 606~~~~ Please click on the link below to view more items in my store. ~~~~~~~~ GreenGirls Guaranteed VintageTubes

4 pristine old stock amperex 6922 usa transparent tone audiophile tubes, white label curvesfan fav vintage early 60s tone! liquid bass warmth lush mids / not as harsh as dgetters!balanced audio grade quad w/ old boxes 118/124 ~ 114/112 ~ 114/110 ~ 110/110 % gm ships fast ~more listening positions available! bid/buy/best offer~~cali acoustics~ ~hifidelity tone vintage vacuum tube pro audio warm bright lofi hifi~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk / caliacoustics insta6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc12ax7 12au7 12at7 / ecc83 ecc82 ecc816bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34

Pair of Mullard/Amperex 12ax7. Made in Great Britain. Amperex Labelled. They look as never used. Test NOS & Perfectly Balanced. Tested with Hickok 600a tube tester, with 1250 as the reading of a nominal new 12ax7, the test scores are 1300/1300, 1300/1300.

4 legendary large halo air bass transparent tone warm resolve amperex 6dj8 ecc88 audio tubesmatched 100% mutual gm! audio grade quad, lush mids great for vocals instruments amps mics+popular 6922/e88cc circuit plugin w/ additional texture reveal and low level detailreal white label editions / fragile label handle with care faded due to age / date codes visible ~cali acoustics~ ~see our other listings for alternate listening positions, bid/buy/best offer~~vintage hifidelity tone / vacuum tube pro audio / warm bright lofi hifi~~cali acoustics instagram / cali acoustics dot com (soon!)~ ~6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc cv2492 cca ~~12ax7 12au7 12at7 / ecc83 ecc82 ecc81 ~ ~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34 (new!) ~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audiotesearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more apps~

2 sought after early production amperex 6dj8 ecc88 audio tubes, legendary white label stagemusical dutch warm resolution / real+fragile labels / proprietary cali refurb / audio grade!matched balanced full gm top spec/pristine 130% mutual gm (100+nos/65+good) ~cali acoustics~~see our other listings for alternate listening positions! bid/buy/best offer~ vintage hifidelity tone / vacuum tube pro audio / warm bright lofi hificaliacoustics instagram (active) / caliacoustics.com (soon) ~ 6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc cv2492 cca ~~ 12ax7 12au7 12at7 / ecc83 ecc82 ecc81 ~ ~ 6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34 ~ ~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audioresearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more apps~

Pair of Mullard/Amperex 12ax7. Made in Great Britain. Amperex Labelled. They look as never used. Test NOS & Perfectly Balanced. Tested with Hickok 600a tube tester, with 1250 as the reading of a nominal new 12ax7, the test scores are 1300/1300, 1300/1300.

4 legendary large halo air bass transparent tone warm resolve amperex 6dj8 ecc88 audio tubesmatched 100% mutual gm! audio grade quad, lush mids great for vocals instruments amps mics+popular 6922/e88cc circuit plugin w/ additional texture reveal and low level detailreal white label editions / fragile label handle with care faded due to age / date codes visible ~cali acoustics~ ~see our other listings for alternate listening positions, bid/buy/best offer~~vintage hifidelity tone / vacuum tube pro audio / warm bright lofi hifi~~cali acoustics instagram / cali acoustics dot com (soon!)~ ~6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc cv2492 cca ~~12ax7 12au7 12at7 / ecc83 ecc82 ecc81 ~ ~6bq5 el84 ~ 6267 ef86 ~ 6aq8 ecc85~ 6ca7 el34 (new!) ~preamps stereos vocals instruments mics rode k2/ntk audio technica at-4060 bluemics wooaudio liquidplatinum aesthetix cat audiotesearch arc echo ear herron decco lector manley horizons conrad frontiers pathos marantz vac psaudiobhk +more apps~