TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va = 250V Vg=-2V Ia=1,2mA (Va=250V Vg=-1V Ia=3,2mA) HICKOK TV7D/U EV7-6080 B12 B min=32 (65%) EV2-1030 B12 B min=32 (65%) Please note that HICKOK is not a laboratory tester, though it is very well calibrated...HERE is how I calibrated mine following manual services specifications. I calibrated it to respect the low of the scale for filament... High voltage on filament would damage it...but gives higher values...0.6 (065-0.72) -->0.65V ; 1.1 (1.06-1.16) -->1.14V ; 1.5 (1.26-1.42) -->1.30V ; 2.0 (1.90-2.10) -->1.95V ; 2.5 (2.56-2.88) -->2.77V ; 3.0 (3.25-3.60) -->3.25V ; 4.3 (4.30-4.75) -->4.55V ; 5.0 (5.15-5.68) -->5.49V ; 6.3 (6.20-6.80) -->6.47V ; 7.5 (7.32-8.10) -->7.45V ; 10 (9.60-10.80) -->10.03V ; 12.6 (12.1-13.3) -->12.25V ; 20 (19.0-21.0) -->20.50V ; 25 (25.3-28.0) -->27.65V ; 35 (35.2-39.0) -->38.09V ; 50 (51.5-57.0) -->52.80V ; 75 (74.0-82.0) -->74.82V ; 117 (115-127) -->116.5VIf needed, i can share all other tests calibrations I get (129.5V/130V +o-3V ; 41.35V/40V +o-2V ; 4.21V/4V +o-1V ; 56.5V /56V....) I66 Philips MiniWatt HeeRLEN code 3D2 short plates 1,2mA/1,0mA (3,2/3,0) 52/50 Most common Heerlen modelhttp://www.tube-classics.de/TC/Tubes/Valvo%20ECC83/ECC83.htm ! NEW OLD STOCK ! CHECK ALL THE LIST TO BUY OTHER REFERENCES AND COMBINE SHIPPING PLEASE CONTACT ME BEFORE BUYING TO CHECK THE BEST OPTION FOR THE SHIPPING COSTSTUBES ARE QUITE FRAGILE, SO YOU SHOULD PAY A BIT MORE FOR A SAFE PACKAGE THAN A BUBBLE LETTER. I DECLINE ANY RESPONSABILITIES IF YOU CHOOSE LETTER AND YOUR ITEMS ARE DAMAGED DURING TRANSPORT...

Amperex bugle boy 12AX7 ECC83 made in Heerlen Holland 1964 date code ?4J2 tested strong, see pictures

2 Philips ECC83 12AX7 good values made in Heerlen Tested on an AVO MK4 tube tester 1,20 mA - 1,60 mA / V = ????100% Measuring results of this tubes are Tube 1 Section 1 1.30 mA - 1.60 mA / V Section 2 1.20 mA - 1.55 mA / V I65 /I 3 E 3 Tube 2 Section 1 1.20 mA - 1.60 mA / V Section 2 1.10 mA - 1.60 mA / V I65 /I 3 C 1 No gas and shorts

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va = 250V Vg=-2V Ia=1,2mA (Va=250V Vg=-1V Ia=3,2mA) HICKOK TV7D/U EV7-6080 B12 B min=32 (65%) EV2-1030 B12 B min=32 (65%) Please note that HICKOK is not a laboratory tester, though it is very well calibrated...HERE is how I calibrated mine following manual services specifications. I calibrated it to respect the low of the scale for filament... High voltage on filament would damage it...but gives higher values...0.6 (065-0.72) -->0.65V ; 1.1 (1.06-1.16) -->1.14V ; 1.5 (1.26-1.42) -->1.30V ; 2.0 (1.90-2.10) -->1.95V ; 2.5 (2.56-2.88) -->2.77V ; 3.0 (3.25-3.60) -->3.25V ; 4.3 (4.30-4.75) -->4.55V ; 5.0 (5.15-5.68) -->5.49V ; 6.3 (6.20-6.80) -->6.47V ; 7.5 (7.32-8.10) -->7.45V ; 10 (9.60-10.80) -->10.03V ; 12.6 (12.1-13.3) -->12.25V ; 20 (19.0-21.0) -->20.50V ; 25 (25.3-28.0) -->27.65V ; 35 (35.2-39.0) -->38.09V ; 50 (51.5-57.0) -->52.80V ; 75 (74.0-82.0) -->74.82V ; 117 (115-127) -->116.5VIf needed, i can share all other tests calibrations I get (129.5V/130V +o-3V ; 41.35V/40V +o-2V ; 4.21V/4V +o-1V ; 56.5V /56V....) I66 Philips MiniWatt HeeRLEN code 3D2 short plates 1,2mA/1,0mA (3,2/3,0) 52/50 Most common Heerlen modelhttp://www.tube-classics.de/TC/Tubes/Valvo%20ECC83/ECC83.htm ! NEW OLD STOCK ! CHECK ALL THE LIST TO BUY OTHER REFERENCES AND COMBINE SHIPPING PLEASE CONTACT ME BEFORE BUYING TO CHECK THE BEST OPTION FOR THE SHIPPING COSTSTUBES ARE QUITE FRAGILE, SO YOU SHOULD PAY A BIT MORE FOR A SAFE PACKAGE THAN A BUBBLE LETTER. I DECLINE ANY RESPONSABILITIES IF YOU CHOOSE LETTER AND YOUR ITEMS ARE DAMAGED DURING TRANSPORT...

OFFERED IN PERFECT CONDITION MATCHED PAIR ECC83 HEERLEN BOTH WITH SIMILAR ETS CODE I65 3L1 TESTED ON AVO VCM 163 AND MEASURING EXCELLENT TUBE 1 A1 1.25mA A2 1.35MA TUBE 2 A1 1.30mA A2 1.30MA NEW VALUE AVO = 1.2MA

2 Philips ECC83 12AX7 Disc Getter close matched Heerlen, Holland nos condition Tested on an AVO MK4 tube tester 1,20 mA - 1,60 mA / V = ????100% Measuring results of this tubes are Tube 1 Section 1 1.50 mA - 1.80 mA / V Section 2 1.50 mA - 1.80 mA / V I66 /I 1 L 2 Tube 2 Section 1 1.55 mA - 1.85 mA / V Section 2 1.40 mA - 1.80 mA / V I66 /I 1 L 2 No gas and shorts

AmperexBugle Boy12AX7/ECC83Short PlateO-GetterMade in Holland. Label is mostly erased. Date Code: I63 Delta 0L3Made in December 1960 in Heerlen Holland Fully tested by calibrated Hickok 539C tubes testerwith no shorts, leakage or gas. Measurement: 1400/1190where minimum good value is 875 Tested in my preamplifier to make sure working as intended with no issues at all. I will gladly combine shipping upon request. __________ The tube(s) in this sale include a 30-day satisfaction guarantee.I strive to ensure that every buyer has a completely satisfactory purchasing experience.If you are unhappy with your purchase for any reason, you can return the item for a full refund. Please contact me directly prior to opening a return or leaving feedback.I will almost always reply at least within 24 hours to remedy the situation for you with direct communication.

OFFERED IN PERFECT CONDITION MATCHED PAIR ECC83 HEERLEN BOTH WITH SIMILAR ETS CODE I65 3L1 TESTED ON AVO VCM 163 AND MEASURING EXCELLENT TUBE 1 A1 1.25mA A2 1.35MA TUBE 2 A1 1.30mA A2 1.30MA NEW VALUE AVO = 1.2MA

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va = 250V Vg=-2V Ia=1,2mA (Va=250V Vg=-1V Ia=3,2mA) HICKOK TV7D/U EV7-6080 B12 B min=32 (65%) EV2-1030 B12 B min=32 (65%) Please note that HICKOK is not a laboratory tester, though it is very well calibrated...HERE is how I calibrated mine following manual services specifications. I calibrated it to respect the low of the scale for filament... High voltage on filament would damage it...but gives higher values...0.6 (065-0.72) -->0.65V ; 1.1 (1.06-1.16) -->1.14V ; 1.5 (1.26-1.42) -->1.30V ; 2.0 (1.90-2.10) -->1.95V ; 2.5 (2.56-2.88) -->2.77V ; 3.0 (3.25-3.60) -->3.25V ; 4.3 (4.30-4.75) -->4.55V ; 5.0 (5.15-5.68) -->5.49V ; 6.3 (6.20-6.80) -->6.47V ; 7.5 (7.32-8.10) -->7.45V ; 10 (9.60-10.80) -->10.03V ; 12.6 (12.1-13.3) -->12.25V ; 20 (19.0-21.0) -->20.50V ; 25 (25.3-28.0) -->27.65V ; 35 (35.2-39.0) -->38.09V ; 50 (51.5-57.0) -->52.80V ; 75 (74.0-82.0) -->74.82V ; 117 (115-127) -->116.5VIf needed, i can share all other tests calibrations I get (129.5V/130V +o-3V ; 41.35V/40V +o-2V ; 4.21V/4V +o-1V ; 56.5V /56V....) I66 Philips MiniWatt HeeRLEN code 3D2 short plates 1,2mA/1,0mA (3,2/3,0) 52/50 Most common Heerlen modelhttp://www.tube-classics.de/TC/Tubes/Valvo%20ECC83/ECC83.htm ! NEW OLD STOCK ! CHECK ALL THE LIST TO BUY OTHER REFERENCES AND COMBINE SHIPPING PLEASE CONTACT ME BEFORE BUYING TO CHECK THE BEST OPTION FOR THE SHIPPING COSTSTUBES ARE QUITE FRAGILE, SO YOU SHOULD PAY A BIT MORE FOR A SAFE PACKAGE THAN A BUBBLE LETTER. I DECLINE ANY RESPONSABILITIES IF YOU CHOOSE LETTER AND YOUR ITEMS ARE DAMAGED DURING TRANSPORT...

OFFERED IN PERFECT CONDITION MATCHED PAIR ECC83 HEERLEN BOTH WITH SIMILAR ETS CODE I65 3L1 TESTED ON AVO VCM 163 AND MEASURING EXCELLENT TUBE 1 A1 1.25mA A2 1.35MA TUBE 2 A1 1.30mA A2 1.30MA NEW VALUE AVO = 1.2MA

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va = 250V Vg=-2V Ia=1,2mA (Va=250V Vg=-1V Ia=3,2mA) HICKOK TV7D/U EV7-6080 B12 B min=32 (65%) EV2-1030 B12 B min=32 (65%) Please note that HICKOK is not a laboratory tester, though it is very well calibrated...HERE is how I calibrated mine following manual services specifications. I calibrated it to respect the low of the scale for filament... High voltage on filament would damage it...but gives higher values...0.6 (065-0.72) -->0.65V ; 1.1 (1.06-1.16) -->1.14V ; 1.5 (1.26-1.42) -->1.30V ; 2.0 (1.90-2.10) -->1.95V ; 2.5 (2.56-2.88) -->2.77V ; 3.0 (3.25-3.60) -->3.25V ; 4.3 (4.30-4.75) -->4.55V ; 5.0 (5.15-5.68) -->5.49V ; 6.3 (6.20-6.80) -->6.47V ; 7.5 (7.32-8.10) -->7.45V ; 10 (9.60-10.80) -->10.03V ; 12.6 (12.1-13.3) -->12.25V ; 20 (19.0-21.0) -->20.50V ; 25 (25.3-28.0) -->27.65V ; 35 (35.2-39.0) -->38.09V ; 50 (51.5-57.0) -->52.80V ; 75 (74.0-82.0) -->74.82V ; 117 (115-127) -->116.5VIf needed, i can share all other tests calibrations I get (129.5V/130V +o-3V ; 41.35V/40V +o-2V ; 4.21V/4V +o-1V ; 56.5V /56V....) I66 Philips MiniWatt HeeRLEN code 3D2 short plates 1,2mA/1,0mA (3,2/3,0) 52/50 Most common Heerlen modelhttp://www.tube-classics.de/TC/Tubes/Valvo%20ECC83/ECC83.htm ! NEW OLD STOCK ! CHECK ALL THE LIST TO BUY OTHER REFERENCES AND COMBINE SHIPPING PLEASE CONTACT ME BEFORE BUYING TO CHECK THE BEST OPTION FOR THE SHIPPING COSTSTUBES ARE QUITE FRAGILE, SO YOU SHOULD PAY A BIT MORE FOR A SAFE PACKAGE THAN A BUBBLE LETTER. I DECLINE ANY RESPONSABILITIES IF YOU CHOOSE LETTER AND YOUR ITEMS ARE DAMAGED DURING TRANSPORT...

Dear friends, I offer for you 1 piece ECC83 / 12AX7 PHILIPS MINIWATT HEERLEN Ribbed Plate O Getter Used, Very Strong Test 1.Triode 1,2mA and 2.Triode 1,2mA. Good Balance ! Please look carefully photos they are part of the descriptionYou will get what you see ! All questions are welcome ! I wish you success in biddingPlease take a look at other my auctions you will find there a wide assortment interesting subjects that can be a great addition to your collection. When you buying more auctions we will combine shipping 1.Payment terms Please note that your shipping address must match your eBay address, once you complete the payment process, we will not be able to change or cancel your order. If you want to change the delivery address, please change it before making the payment, as we cannot change the delivery address later, we will not be able to verify your messages in the order notes regarding the change of address or other information. 2.Payment, whether domestic, or International, is expected within 3 days, and if there is any hitch, please communicate and we can work something out....otherwise seller reserves the right to relist the item in the event of non-payment within the stipulated period. Thanks for viewing my auction and I wish you success in the bidding. 3. Recovery and recovery The goods become your property as soon as they are sent to you. You are responsible for taking care of the goods while you are in your possession and returning them in good condition in the original packaging, if any, including all documents and manuals if any. We will refund your money in full if the items are returned in their original condition. If it is found that the goods were misused or damaged on return, we reserve the right to refund your partial refund.

2 VALVO ECC83 12AX7 with good values made in Heerlen Netherlands Tested on an AVO MK4 tube tester 1,20 mA - 1,60 mA / V = ????100% Measuring results of this tubes are Tube 1 Section 1 1.35 mA - 1.70 mA / V Section 2 1.35 mA - 1.70 mA / V Tube 2 Section 1 1.30 mA - 1.70 mA / V Section 2 1.50 mA - 1.80 mA / V No gas and shorts

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va = 250V Vg=-2V Ia=1,2mA (Va=250V Vg=-1V Ia=3,2mA) HICKOK TV7D/U EV7-6080 B12 B min=32 (65%) EV2-1030 B12 B min=32 (65%) Please note that HICKOK is not a laboratory tester, though it is very well calibrated...HERE is how I calibrated mine following manual services specifications. I calibrated it to respect the low of the scale for filament... High voltage on filament would damage it...but gives higher values...0.6 (065-0.72) -->0.65V ; 1.1 (1.06-1.16) -->1.14V ; 1.5 (1.26-1.42) -->1.30V ; 2.0 (1.90-2.10) -->1.95V ; 2.5 (2.56-2.88) -->2.77V ; 3.0 (3.25-3.60) -->3.25V ; 4.3 (4.30-4.75) -->4.55V ; 5.0 (5.15-5.68) -->5.49V ; 6.3 (6.20-6.80) -->6.47V ; 7.5 (7.32-8.10) -->7.45V ; 10 (9.60-10.80) -->10.03V ; 12.6 (12.1-13.3) -->12.25V ; 20 (19.0-21.0) -->20.50V ; 25 (25.3-28.0) -->27.65V ; 35 (35.2-39.0) -->38.09V ; 50 (51.5-57.0) -->52.80V ; 75 (74.0-82.0) -->74.82V ; 117 (115-127) -->116.5VIf needed, i can share all other tests calibrations I get (129.5V/130V +o-3V ; 41.35V/40V +o-2V ; 4.21V/4V +o-1V ; 56.5V /56V....) I66 Philips MiniWatt HeeRLEN code 3D2 short plates 1,2mA/1,0mA (3,2/3,0) 52/50 Most common Heerlen modelhttp://www.tube-classics.de/TC/Tubes/Valvo%20ECC83/ECC83.htm ! NEW OLD STOCK ! CHECK ALL THE LIST TO BUY OTHER REFERENCES AND COMBINE SHIPPING PLEASE CONTACT ME BEFORE BUYING TO CHECK THE BEST OPTION FOR THE SHIPPING COSTSTUBES ARE QUITE FRAGILE, SO YOU SHOULD PAY A BIT MORE FOR A SAFE PACKAGE THAN A BUBBLE LETTER. I DECLINE ANY RESPONSABILITIES IF YOU CHOOSE LETTER AND YOUR ITEMS ARE DAMAGED DURING TRANSPORT...

12AX7 ECC83 PHILIPS made in Heerlen Audio Preamp Tube

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va = 250V Vg=-2V Ia=1,2mA (Va=250V Vg=-1V Ia=3,2mA) HICKOK TV7D/U EV7-6080 B12 B min=32 (65%) EV2-1030 B12 B min=32 (65%) Please note that HICKOK is not a laboratory tester, though it is very well calibrated...HERE is how I calibrated mine following manual services specifications. I calibrated it to respect the low of the scale for filament... High voltage on filament would damage it...but gives higher values...0.6 (065-0.72) -->0.65V ; 1.1 (1.06-1.16) -->1.14V ; 1.5 (1.26-1.42) -->1.30V ; 2.0 (1.90-2.10) -->1.95V ; 2.5 (2.56-2.88) -->2.77V ; 3.0 (3.25-3.60) -->3.25V ; 4.3 (4.30-4.75) -->4.55V ; 5.0 (5.15-5.68) -->5.49V ; 6.3 (6.20-6.80) -->6.47V ; 7.5 (7.32-8.10) -->7.45V ; 10 (9.60-10.80) -->10.03V ; 12.6 (12.1-13.3) -->12.25V ; 20 (19.0-21.0) -->20.50V ; 25 (25.3-28.0) -->27.65V ; 35 (35.2-39.0) -->38.09V ; 50 (51.5-57.0) -->52.80V ; 75 (74.0-82.0) -->74.82V ; 117 (115-127) -->116.5VIf needed, i can share all other tests calibrations I get (129.5V/130V +o-3V ; 41.35V/40V +o-2V ; 4.21V/4V +o-1V ; 56.5V /56V....) I66 Philips MiniWatt HeeRLEN code 3D2 short plates 1,2mA/1,0mA (3,2/3,0) 52/50 Most common Heerlen modelhttp://www.tube-classics.de/TC/Tubes/Valvo%20ECC83/ECC83.htm ! NEW OLD STOCK ! CHECK ALL THE LIST TO BUY OTHER REFERENCES AND COMBINE SHIPPING PLEASE CONTACT ME BEFORE BUYING TO CHECK THE BEST OPTION FOR THE SHIPPING COSTSTUBES ARE QUITE FRAGILE, SO YOU SHOULD PAY A BIT MORE FOR A SAFE PACKAGE THAN A BUBBLE LETTER. I DECLINE ANY RESPONSABILITIES IF YOU CHOOSE LETTER AND YOUR ITEMS ARE DAMAGED DURING TRANSPORT...

Dear friends, I offer for you 1 piece ECC83 / 12AX7 TRIOTRON by PHILIPS HEERLEN Long Ribbed Plate D Foil Getter, Double Triode Audio Tube Used, Very Strong Test 1.Triode 1,1mA and 2.Triode 1,1mA. Good Balance ! Please look carefully photos they are part of the descriptionYou will get what you see ! All questions are welcome ! I wish you success in biddingPlease take a look at other my auctions you will find there a wide assortment interesting subjects that can be a great addition to your collection. When you buying more auctions we will combine shipping 1.Payment terms Please note that your shipping address must match your eBay address, once you complete the payment process, we will not be able to change or cancel your order. If you want to change the delivery address, please change it before making the payment, as we cannot change the delivery address later, we will not be able to verify your messages in the order notes regarding the change of address or other information. 2.Payment, whether domestic, or International, is expected within 3 days, and if there is any hitch, please communicate and we can work something out....otherwise seller reserves the right to relist the item in the event of non-payment within the stipulated period. Thanks for viewing my auction and I wish you success in the bidding. 3. Recovery and recovery The goods become your property as soon as they are sent to you. You are responsible for taking care of the goods while you are in your possession and returning them in good condition in the original packaging, if any, including all documents and manuals if any. We will refund your money in full if the items are returned in their original condition. If it is found that the goods were misused or damaged on return, we reserve the right to refund your partial refund.

PHILIPS ECC83 - 12AX7 Price is for 2 NOS or very little used tubes. With O-getter with one support, ribbed folded plates and etched code I65 ????9L5 decoded for Heerlen plant in Holland. Tube is produced in the 1960s. Tested STRONG & MATCHED as follow! Tube 1:Ia1 = 0.9 mA | S1 = 1.3 mA/V | Ri1 = 60.6 | ?1 = 78.8Ia2 = 1.0 mA | S2 = 1.3 mA/V | Ri2 = 64.5 | ?2 = 83.9 Tube 2 Ia1 = 0.9 mA | S1 = 1.3 mA/V | Ri1 = 62.5 | ?1 = 81.3 Ia2 = 1.0 mA | S2 = 1.5 mA/V | Ri2 = 55.5 | ?2 = 83.3 Tested at: Uf = 12,6V | Ua = 250V | Ug1 = -2,0VGood begins at: Ia = 0,7mA and 100% is Ia=1.2mA SUPERB MATCHED TUBES! Shipping will be Airmail registered with tracing number. Other shipping methods available on request.

Bid is for : 2x Philips ECC83 (12AX7) NEW IN BOX TUBE VALVE (Philips Heerlen FACTORY) Boxes not in perfect shape due to the years of storage (sleeping in a repair shop) !Ive opened the original boxes ONLY to take the pictures posted on this listing (These are REAL pictures of the item you are bidding for!) Batch/Date: 166 41A4Philips Heerlen Payment must be received within 2 days after end of the auction & Items will be shipped within the week of receipt of payment. Import duties, taxes, and local charges are not included in the item price. These charges are the buyers responsibility. I will provide a Trackingnumber from LaPoste (Swiss post service)

Bid is for : 2x Philips ECC83 (12AX7) NEW IN BOX TUBE VALVE (Philips Heerlen FACTORY) Boxes not in perfect shape due to the years of storage (sleeping in a repair shop) !Ive opened the original boxes ONLY to take the pictures posted on this listing (These are REAL pictures of the item you are bidding for!) Batch/Date: 166 41A4Philips Heerlen Payment must be received within 2 days after end of the auction & Items will be shipped within the week of receipt of payment. Import duties, taxes, and local charges are not included in the item price. These charges are the buyers responsibility. I will provide a Trackingnumber from LaPoste (Swiss post service)

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va = 250V Vg=-2V Ia=1,2mA (Va=250V Vg=-1V Ia=3,2mA) HICKOK TV7D/U EV7-6080 B12 B min=32 (65%) EV2-1030 B12 B min=32 (65%) Please note that HICKOK is not a laboratory tester, though it is very well calibrated...HERE is how I calibrated mine following manual services specifications. I calibrated it to respect the low of the scale for filament... High voltage on filament would damage it...but gives higher values...0.6 (065-0.72) -->0.65V ; 1.1 (1.06-1.16) -->1.14V ; 1.5 (1.26-1.42) -->1.30V ; 2.0 (1.90-2.10) -->1.95V ; 2.5 (2.56-2.88) -->2.77V ; 3.0 (3.25-3.60) -->3.25V ; 4.3 (4.30-4.75) -->4.55V ; 5.0 (5.15-5.68) -->5.49V ; 6.3 (6.20-6.80) -->6.47V ; 7.5 (7.32-8.10) -->7.45V ; 10 (9.60-10.80) -->10.03V ; 12.6 (12.1-13.3) -->12.25V ; 20 (19.0-21.0) -->20.50V ; 25 (25.3-28.0) -->27.65V ; 35 (35.2-39.0) -->38.09V ; 50 (51.5-57.0) -->52.80V ; 75 (74.0-82.0) -->74.82V ; 117 (115-127) -->116.5VIf needed, i can share all other tests calibrations I get (129.5V/130V +o-3V ; 41.35V/40V +o-2V ; 4.21V/4V +o-1V ; 56.5V /56V....) I66 Philips MiniWatt HeeRLEN code 3D2 short plates 1,2mA/1,0mA (3,2/3,0) 52/50 Most common Heerlen modelhttp://www.tube-classics.de/TC/Tubes/Valvo%20ECC83/ECC83.htm ! NEW OLD STOCK ! CHECK ALL THE LIST TO BUY OTHER REFERENCES AND COMBINE SHIPPING PLEASE CONTACT ME BEFORE BUYING TO CHECK THE BEST OPTION FOR THE SHIPPING COSTSTUBES ARE QUITE FRAGILE, SO YOU SHOULD PAY A BIT MORE FOR A SAFE PACKAGE THAN A BUBBLE LETTER. I DECLINE ANY RESPONSABILITIES IF YOU CHOOSE LETTER AND YOUR ITEMS ARE DAMAGED DURING TRANSPORT...

FOR SALE pair of ECC83 Philips Heerlen - large O getter - strong pair test results tube 1 Ia: 1,61/1,50 mA = 134/125% Gm: 2,13/1,94 mA = 133/121% tube 2Ia: 1,79/1,49 mA =150/124%Gm: 2,06/1,83 mA/V =129/114%