12AX7A MAZDA SILVER PLATES Tested Centrad 752 good working ECC83 Used Good working Tested Centrad 752 Pas de mesures

two 12AX7A ECC83 Mazda label but made by Telefunken diamond base <> long smooth plate tested strong & NOS READINGS measurements were made on a precisely calibrated Metrix U61DM with Va 250V, and -Vg1 2V TUBE 1 - Ia 1.2/1.6 mA TUBE 2 - Ia 1.2/1.3 mA where a new tube gives 1.2mA with Va 250V, and -Vg1 2V worldwide shipping with tracking in well made postal small parcel and delivery against signature for 9 euros. possibility of grouping the delivery, see my other ads. Important Reminders: “You will get what you see in the pictures

ECC83 mazda one matched diamond Telefunken long plate tested NOS ip1.3 .1.3mA. e

ECC83 mazda one matched diamond Telefunken long plate tested NOS ip1.3 .1.3mA. e

Brimar England ECC83 12AX7 Short Plate O getter 1961 Valve Tube Strong BK600 = 92/91 New 89 up No gas shorts grid emissions Brimar code 2N0/2162 1960 Gm 1650/1650 mhos

Mazda 12AX7A ECC83 chrome silver plate tube NOS 1.5/1.3 IP METRIX N2. PAS D EPEDITION DANS LES ILES .NI SUISSE ..NI GB ..NI LES BALEARES .. ME DEMANDER AVANT D ACHETER MERCI ???????????

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....) 7014AXA**** MAZDA Belvu TRIPLE mika short silver plates former 12AX7S 1,9mA/1,5mA (4,1/3,5) 58/52 This is a 12AX7S that has probably been downgraded to 12AX7A. If you look very carefully you can see the former label 12AX7S. Impossible to show on a photo... ! NEW OLD STOCK ! CHECK ALL THE LIST TO BUY OTHER REFERENCES AND COMBINE SHIPPING OR ASK 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... I’m not responsible of customs fees

paires de 12AX7S / ECC83 MAZDA 3 MICAS VÉRITABLE 12AX7S / ECC83 SILVER PLATE TRIPLES MICAS MAZDA FABRICATION : FRANCE SÉRIE MILITAIRE ANNÉE : 1962 Codes tubes : FEC - 62202 - HF et FEC - 62483 - HF TUBES testé METRIX U61 Valeurs fabriquant 100% = 1,2ma / 1,2ma , 1,6ma/v , 1,6ma/v @250/--2 Valeurs metrix U61 tube 1 = 1,4ma / 1,4ma , 1,9ma/v , 1,9ma/v @250/--2 Valeurs metrix U61 tube 2 = 1,5ma / 1,2ma , 2 ma/v , 1,8ma/v @250/--2 EXPÉDITION MONDIAL

Mazda Made in EnglandECC83 12AX7 6L13 Valve TubeShort Grey Plates, Halo GetterFully Tested on AVO VCM 163Ia 2.2/1.9 - Gm 2.1/2100% Book Spec = Ia 1.2 - Gm 1.6Used, Supplied in White Box

Véritable paires de 12AX7 / ECC83 MAZDA-BELVU by TELEFUNKEN LONG SMOOTH PLAQUES Fabrication : ALLEMAGNE LOSANGES AUX FONDS DES TUBES TUBES neufs testé METRIX U61 Valeurs fabriquant 100% = 1,2ma / 1,2ma , 1,6ma/v , 1,6ma/v @250/--2 Valeurs metrix U61 tube 1 = 1,2ma / 1,1ma , 2 ma/v , 2 ma/v @250/--2 Valeurs metrix U61 tube 2 = 1,2ma / 0,9ma , 2,1ma/v , 1,8ma/v @250/--2 EXPÉDITION MONDIAL

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....) 7014AXA**** MAZDA Belvu TRIPLE mika short silver plates former 12AX7S 1,9mA/1,5mA (4,1/3,5) 58/52 This is a 12AX7S that has probably been downgraded to 12AX7A. If you look very carefully you can see the former label 12AX7S. Impossible to show on a photo... ! NEW OLD STOCK ! CHECK ALL THE LIST TO BUY OTHER REFERENCES AND COMBINE SHIPPING OR ASK 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... I’m not responsible of customs fees

Top quality ECC83/12ax7 and ECC82 valves, Mullard, Sovtek, Mazda, Ei etc. This lot comprises 11 genuine and original preamplifier tubes which have been removed from valve amplifiers.They have been individually tested in my own system and all work perfectly producing a clean, rich sound. Please note, these are NOT New Old Stock items. As I have no test equipment, I cannot give any values for the measured performance of these valves. They are sold as seen and cannot be returned. The Sovtek valves are modern and have not had much use. The Mullard, Mazda & Ei are original vintage tubes. The valves are as follows: SOVTEK: 12AX7/ECC83WB (5 valves in total)Ei YUGOSLAVIAN: 12AX7 (2 valves in total) MULLARD ECC 83: CODE NOT CLEAR, BELIEVED TO BE ELEKTRONSKI INDUSTRIJA 7J (1 valve in total)GOLDEN DRAGON E83CC (1 valve in total) MAZDA: ECC82 (2 valves in total) The valves are to be sold as a complete lot and will not be split.The auction will run for the full 7 days, though offers may be considered. Collection preferred from near junction 5 of M61, or will be well packed for posting.Any questions, please contact me.

MAZDA 12AX7 ECC83 SHORT Ribbed Grey PLATES O Getter Tube ( Visible code 62 ) BOGEN AMP Tested - No microphonics TV-7/u Tested Condition Report: ** Tubes TESTED AND sounded good in my BOGEM AMP! No microphonics! ** ** I WILL COMBINE SHIPPING COST ON M Tested to be in guaranteed working conditionI tested these on a High Quality Professonal Hickok TV-7/U Tester:TUBEs TEST RESULTs: Tube: 50/49 - {Minimum Rating of 32/32 for TV-7 Testers are equal to 65% of average new ratings.} If you have Questions or Comments contact me on eBay Check out the photos! TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES! I Combine Y ITEMS!!! ** ShippingBefore You Pay. I accept PayPal and Postal M O.Please see click to enlarge photos for condition and quality.Check out My Other Items For Sale!WILL BE SHIPPED OUT FAST! Before bidding please read my shipping and return policy. I WILL COMBINE SHIPPING COST ON MY ITEMS!!! NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. ANY RETURN WILL BE ACCEPTED BUT BUYER WILL PAY SHIPPING FEES AND I WILL NOT REFUND ANY SHIPPING FEES.*TESTED ON Calibrated HICKOK TV-7 B/U*{Minimum Ratings for TV-7 Testers are equal to 65% of average new ratings.}ALL tubes will be ran through a Daniel Nelson calibrated HICKOK TV-7 B/U for a full mutual conductance test. This is a world class tester that is calibrated by the Hickok doctor. Its test results are dead on and you can buy with confidence. If you want to know what the exact Gm rating of the tube is please message me. My Return Policy: Will not accept returns for reasons such as ordered the wrong item, change mind, not what I thought It was, wrong color ordered, item ordered.

** PERFECT BALANCED PLATES!! ** MAZDA 12AX7 ECC83 RARE - YELLOW PAINT! SHORT Ribbed Grey PLATES O Getter Tube ( Visible code 3G1 ) BOGEN AMP Tested - No microphonics TV-7/u Tested Condition Report: ** Tubes TESTED AND sounded good in my BOGEM AMP! No microphonics! ** ** I WILL COMBINE SHIPPING COST ON M Tested to be in guaranteed working conditionI tested these on a High Quality Professonal Hickok TV-7/U Tester:TUBEs TEST RESULTs: Tube: 38/37 - {Minimum Rating of 32/32 for TV-7 Testers are equal to 65% of average new ratings.} If you have Questions or Comments contact me on eBay Check out the photos! TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES! I Combine Y ITEMS!!! ** ShippingBefore You Pay. I accept PayPal and Postal M O.Please see click to enlarge photos for condition and quality.Check out My Other Items For Sale!WILL BE SHIPPED OUT FAST! Before bidding please read my shipping and return policy. I WILL COMBINE SHIPPING COST ON MY ITEMS!!! NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. ANY RETURN WILL BE ACCEPTED BUT BUYER WILL PAY SHIPPING FEES AND I WILL NOT REFUND ANY SHIPPING FEES.*TESTED ON Calibrated HICKOK TV-7 B/U*{Minimum Ratings for TV-7 Testers are equal to 65% of average new ratings.}ALL tubes will be ran through a Daniel Nelson calibrated HICKOK TV-7 B/U for a full mutual conductance test. This is a world class tester that is calibrated by the Hickok doctor. Its test results are dead on and you can buy with confidence. If you want to know what the exact Gm rating of the tube is please message me. My Return Policy: Will not accept returns for reasons such as ordered the wrong item, change mind, not what I thought It was, wrong color ordered, item ordered.

Paire de ECC83 / 12AX7 A MAZDA-BELVU BY TELEFUNKEN Véritable paire de 12AX7 A / ECC83 TELEFUNKEN REBADGÉ MAZDA-BELVU LONG SMOOTH PLAQUES Fabrication : ALLEMAGNE LOSANGES AUX FONDS DES TUBES Boîtes dorigines Codes tubes identiques : VII - 9 TUBES neufs testé METRIX U61 Valeurs fabriquant 100% = 1,2ma / 1,2ma , 1,6ma/v , 1,6ma/v @250/--2 Valeurs metrix U61 tube 1 = 1,4ma / 0,7ma , 2 ma/v , 1,6ma/v @250/--2 Valeurs metrix U61 tube 2 = 1,3ma / 0,6ma , 2,2ma/v , 1,8ma/v @250/--2 EXPÉDITION MONDIAL

1 X ECC83 Mazda Vacuum Tube (12AX7) Tested and has good emmision as shown on both sides Uk Seller Free P+P

** PERFECT BALANCED PLATES!! ** MAZDA 12AX7 ECC83 RARE - YELLOW PAINT! SHORT Ribbed Grey PLATES O Getter Tube ( Visible code 3G1 ) BOGEN AMP Tested - No microphonics TV-7/u Tested Condition Report: ** Tubes TESTED AND sounded good in my BOGEM AMP! No microphonics! ** ** I WILL COMBINE SHIPPING COST ON M Tested to be in guaranteed working conditionI tested these on a High Quality Professonal Hickok TV-7/U Tester:TUBEs TEST RESULTs: Tube: 38/37 - {Minimum Rating of 32/32 for TV-7 Testers are equal to 65% of average new ratings.} If you have Questions or Comments contact me on eBay Check out the photos! TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES! I Combine Y ITEMS!!! ** ShippingBefore You Pay. I accept PayPal and Postal M O.Please see click to enlarge photos for condition and quality.Check out My Other Items For Sale!WILL BE SHIPPED OUT FAST! Before bidding please read my shipping and return policy. I WILL COMBINE SHIPPING COST ON MY ITEMS!!! NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. ANY RETURN WILL BE ACCEPTED BUT BUYER WILL PAY SHIPPING FEES AND I WILL NOT REFUND ANY SHIPPING FEES.*TESTED ON Calibrated HICKOK TV-7 B/U*{Minimum Ratings for TV-7 Testers are equal to 65% of average new ratings.}ALL tubes will be ran through a Daniel Nelson calibrated HICKOK TV-7 B/U for a full mutual conductance test. This is a world class tester that is calibrated by the Hickok doctor. Its test results are dead on and you can buy with confidence. If you want to know what the exact Gm rating of the tube is please message me. My Return Policy: Will not accept returns for reasons such as ordered the wrong item, change mind, not what I thought It was, wrong color ordered, item ordered.

MAZDA 12AX7 ECC83 SHORT Ribbed Grey PLATES O Getter Tube ( Visible code 62 ) BOGEN AMP Tested - No microphonics TV-7/u Tested Condition Report: ** Tubes TESTED AND sounded good in my BOGEM AMP! No microphonics! ** ** I WILL COMBINE SHIPPING COST ON M Tested to be in guaranteed working conditionI tested these on a High Quality Professonal Hickok TV-7/U Tester:TUBEs TEST RESULTs: Tube: 50/49 - {Minimum Rating of 32/32 for TV-7 Testers are equal to 65% of average new ratings.} If you have Questions or Comments contact me on eBay Check out the photos! TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES! I Combine Y ITEMS!!! ** ShippingBefore You Pay. I accept PayPal and Postal M O.Please see click to enlarge photos for condition and quality.Check out My Other Items For Sale!WILL BE SHIPPED OUT FAST! Before bidding please read my shipping and return policy. I WILL COMBINE SHIPPING COST ON MY ITEMS!!! NOTE: International buyers - THE BUYER IS RESPONSIBLE FOR SHIPPING FEES. INTERNATIONAL BIDS WELCOME. I WONT CHANGE DECLARED VALUE ON CUSTOM FORMS AND INTERNATIONAL BUYERS ARE RESPONSIBLE FOR ALL TAXES, CUSTOM FEES, and additional shipping fees. ANY RETURN WILL BE ACCEPTED BUT BUYER WILL PAY SHIPPING FEES AND I WILL NOT REFUND ANY SHIPPING FEES.*TESTED ON Calibrated HICKOK TV-7 B/U*{Minimum Ratings for TV-7 Testers are equal to 65% of average new ratings.}ALL tubes will be ran through a Daniel Nelson calibrated HICKOK TV-7 B/U for a full mutual conductance test. This is a world class tester that is calibrated by the Hickok doctor. Its test results are dead on and you can buy with confidence. If you want to know what the exact Gm rating of the tube is please message me. My Return Policy: Will not accept returns for reasons such as ordered the wrong item, change mind, not what I thought It was, wrong color ordered, item ordered.

Pair of tubes, same codes, Clean logo, no shorts, They are also labeled Silvertone, Measured:1000 /1150 and 1250 /1200 on Hickock 6000A, where nominal new is 1250

Lot of 4 valves: Mullard ECC83 12AX7Mazda ECC832 Mullards with EC but the rest illegible I know nothing about this subject so being sold as used / untested. Any questions please ask.

Vintage Valve Mazda ECC83 Date Code B9J Tested good on B&K tester