TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va=250V Vg=-8,5V & (-5V) Ia=10,5mA & (20mA) HICKOK TV7D/U EV7-6080 B24 B min=56 (65%) (100%=93)EV2-1030 B24 B min=56 (65%) (100%=93) 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....) AUA 6204 MAZDA SILVER ANODES IN ROUND HOLE IN PLATES 8,3/8,3 (16,4/16,3)mA 91/90 AUA 6202 MAZDA SILVER ANODES IN ROUND HOLE IN PLATES 8,7/8,3 (17,1/16,4)mA 95/89 EUROPE COUNTRIES --> ASK FOR MONDIAL RELAY SERVICE (LESS EXPENSIVE)

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va=250V Vg=-8,5V & (-5V) Ia=10,5mA & (20mA) HICKOK TV7D/U EV7-6080 B24 B min=56 (65%) (100%=93)EV2-1030 B24 B min=56 (65%) (100%=93) 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....) AUA 6521 MAZDA COPPER ANODES IN SQUARE HOLE IN PLATE 8,6/7,4 (17,1/16,1)mA 90/88 AUA BELVU COPPER ANODES IN SQUARE HOLE IN PLATE 8,8/8,5 (17,6/17,0)mA 94/92 EUROPE COUNTRIES --> ASK FOR MONDIAL RELAY SERVICE (LESS EXPENSIVE)

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va=250V Vg=-8,5V & (-5V) Ia=10,5mA & (20mA) HICKOK TV7D/U EV7-6080 B24 B min=56 (65%) (100%=93)EV2-1030 B24 B min=56 (65%) (100%=93) 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....) AUA MINIWATT Dario COPPER ANODES IN SQUARE HOLE IN PLATE 8,3/8,5 (17,1/18,0)mA 88/88 AUA 7115 MAZDA Belvu COPPER ANODES IN SQUARE HOLE IN PLATE 8,4/8,7 (16,8/17,2)mA 88/88 EUROPE COUNTRIES --> ASK FOR MONDIAL RELAY SERVICE (LESS EXPENSIVE)

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va=250V Vg=-8,5V & (-5V) Ia=10,5mA & (20mA) HICKOK TV7D/U EV7-6080 B24 B min=56 (65%) (100%=93)EV2-1030 B24 B min=56 (65%) (100%=93) 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....) ue MAZDA Long flat plates, ring getter telefunken bottom code 10,3/10,4 (20,4/20,5) 110/110 EUROPE COUNTRIES --> ASK FOR MONDIAL RELAY SERVICE (LESS EXPENSIVE)

Mazda ecc82/12au7 D getter .New Valves are tested. I have a HICKOK TV-3C/U tube tester . The measurements are of mutual conductance. The measures are REAL and are the average of five measurements. The object is to get the picture. The 100% of the tube is equal to 2150 micromhos. TUBE 2050/1950Attention please Read the following carefully before making purchases. I do not accept the return of the object for any reason. I repeat no reason. If your intention is to buy you must accept this condition. At the end of the auction do not make the payment. I will send you photos of how your valves will be packed. If you think the packaging is insufficient You can ask for the cancellation of the transaction that will be accepted by me.

-Metrix U61b Tested (most are in nominal range : 10mA) see on top of tubes values. -Types are 6189 12AU7S 12AU7WA ECC82 12AU7A -Some are : Double mica, mica finger, O & D getter, 45° inclined getter, black getter, open plate, hole plate, long plate, short plate, 1959, 1960, 1961, 1962... ***OFFER ACCEPTED***

4 tubes Mazda ECC82 12AU7 neufs Made in England NOS New old stock . Inscription sur lemballage : BVA Thorn , Mazda radio valve . Idéal pour préamplificateur à tubes haut de gamme Audio Research , Precision Fidelity , Doge 8 Pour une expédition en dehors de lUnion Européenne merci de me dander pour les frais de port et dassurance .

1 x 12AU7A/ECC82 MAZDA ring getter finger mica TESTED at (Va250v Vg-8,5v): Ia= 9,8mA /11,2mA Je décline toute responsabilité en cas de casse durant le transport. Les tubes étant fragiles par nature, japporte le plus grand soin à lemballage, même en lettre suivie. Q326

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va=250V Vg=-8,5V & (-5V) Ia=10,5mA & (20mA) HICKOK TV7D/U EV7-6080 B24 B min=56 (65%) (100%=93)EV2-1030 B24 B min=56 (65%) (100%=93) 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....) AUA 6204 MAZDA SILVER ANODES IN ROUND HOLE IN PLATES 8,3/8,3 (16,4/16,3)mA 91/90 AUA 6202 MAZDA SILVER ANODES IN ROUND HOLE IN PLATES 8,7/8,3 (17,1/16,4)mA 95/89 EUROPE COUNTRIES --> ASK FOR MONDIAL RELAY SERVICE (LESS EXPENSIVE)

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va=250V Vg=-8,5V & (-5V) Ia=10,5mA & (20mA) HICKOK TV7D/U EV7-6080 B24 B min=56 (65%) (100%=93)EV2-1030 B24 B min=56 (65%) (100%=93) 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....) AUA 6521 MAZDA COPPER ANODES IN SQUARE HOLE IN PLATE 8,6/7,4 (17,1/16,1)mA 90/88 AUA BELVU COPPER ANODES IN SQUARE HOLE IN PLATE 8,8/8,5 (17,6/17,0)mA 94/92 EUROPE COUNTRIES --> ASK FOR MONDIAL RELAY SERVICE (LESS EXPENSIVE)

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va=250V Vg=-8,5V & (-5V) Ia=10,5mA & (20mA) HICKOK TV7D/U EV7-6080 B24 B min=56 (65%) (100%=93)EV2-1030 B24 B min=56 (65%) (100%=93) 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....) AUA MINIWATT Dario COPPER ANODES IN SQUARE HOLE IN PLATE 8,3/8,5 (17,1/18,0)mA 88/88 AUA 7115 MAZDA Belvu COPPER ANODES IN SQUARE HOLE IN PLATE 8,4/8,7 (16,8/17,2)mA 88/88 EUROPE COUNTRIES --> ASK FOR MONDIAL RELAY SERVICE (LESS EXPENSIVE)

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va=250V Vg=-8,5V & (-5V) Ia=10,5mA & (20mA) HICKOK TV7D/U EV7-6080 B24 B min=56 (65%) (100%=93)EV2-1030 B24 B min=56 (65%) (100%=93) 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....) ue MAZDA Long flat plates, ring getter telefunken bottom code 10,3/10,4 (20,4/20,5) 110/110 EUROPE COUNTRIES --> ASK FOR MONDIAL RELAY SERVICE (LESS EXPENSIVE)

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va=250V Vg=-8,5V & (-5V) Ia=10,5mA & (20mA) HICKOK TV7D/UEV7-6080 B24 B min=56 (65%) (100%=93)EV2-1030 B24 B min=56 (65%) (100%=93) 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....) AUA 6108 MAZDA SILVER ANODES IN ROUND HOLE IN PLATES 9,3/8,8 (18,5/17,1)mA 98/92 AUA 6309 MAZDA SILVER ANODES IN ROUND HOLE IN PLATES 9,6/8,7 (18,7/17,0)mA 97/90 EUROPE COUNTRIES --> ASK FOR MONDIAL RELAY SERVICE (LESS EXPENSIVE)

4 tubes Mazda ECC82 12AU7 neufs Made in England NOS New old stock . Inscription sur lemballage : BVA Thorn , Mazda radio valve . Idéal pour préamplificateur à tubes haut de gamme Audio Research , Precision Fidelity , Doge 8 Pour une expédition en dehors de lUnion Européenne merci de me dander pour les frais de port et dassurance .

Une paires (2) ECC82 / 12AU7 MAZDA - BELVU by TELEFUNKEN Une Véritable paires de ecc82 / 12au7 TELEFUNKEN rebadger MAZDA - BELVU Fabrication : ALLEMAGNE LONG SMOOTH PLATE Losanges aux fonds des tubes Tubes testés : METRIX U61 Valeurs fabriquant 100% = 10,5ma/ 10,5ma , 2,2ma/v , 2,2ma/v @250/--8,5 Valeurs METRIX U61 tube 1 = 10 ma/ 8 ma , 2 ma/v , 2 ma/v @250/--8,5 Valeurs METRIX U61tube 2 = 8,5ma/ 9 ma , 2 ma/v , 2 ma/v @250/--8,5 EXPÉDITION MONDIAL

paires (2) 12AU7 WA / 6189 / ECC82 MAZDA 3 Micas Véritable 6189 / 12AU7 WA / ECC82 MAZDA TRIPLES MICAS PAYS : FRANCE Série militaire Codes tubes : FEC - 63465 - HF et FEC - 64464 - HF Tubes testés : METRIX U61 Valeurs fabriquant 100% = 10,5ma/ 10,5ma , 2,2ma/v , 2,2 ma/v @250/--8,5 Valeurs METRIX U61 tube 1 = 11,5ma/ 12 ma , 2,5ma/v , 2,5ma/v @250/--8,5 Valeurs METRIX U61 tube 2 = 10 ma/ 10 ma , 2 ma/v , 3 ma/v @250/--8,5 EXPÉDITION MONDIAL

Mazda ecc82/12au7 D getter .New Valves are tested. I have a HICKOK TV-3C/U tube tester . The measurements are of mutual conductance. The measures are REAL and are the average of five measurements. The object is to get the picture. The 100% of the tube is equal to 2150 micromhos. TUBE 2050/1950Attention please Read the following carefully before making purchases. I do not accept the return of the object for any reason. I repeat no reason. If your intention is to buy you must accept this condition. At the end of the auction do not make the payment. I will send you photos of how your valves will be packed. If you think the packaging is insufficient You can ask for the cancellation of the transaction that will be accepted by me.

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va=250V Vg=-8,5V & (-5V) Ia=10,5mA & (20mA) HICKOK TV7D/U EV7-6080 B24 B min=56 (65%) (100%=93)EV2-1030 B24 B min=56 (65%) (100%=93) 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....) AUA 6326 MAZDA SILVER ANODES SQUARE HOLE IN PLATE 8,8/8,4 (17,2/16,2) 85/80 AUA 6327 MAZDA SILVER ANODES SQUARE HOLE IN PLATE 8,4/9,6 (16,1/18,0) 82/87 EUROPE COUNTRIES --> ASK FOR MONDIAL RELAY SERVICE (LESS EXPENSIVE)

For sale is a ULTRA RARE Matched Pair Mazda/Cifte NOS/NIB ECC82/12AU7 tubes. Made in France, 1962 Tests very strong at NEW level and perfectly matched. Test Results (Amplitrex, min: 0.8):Tube 1: 2.2/2.2Tube 2: 2.2/2.2 ------------------------------------------------------------------------------- Welcome to Tube Maze Store Here you will find a wide selection of NOS and reissue tubes. Weve been in business since 2012 with great reviews on Ebay, so buy with assurance that you will get a great product and if you are not happy with your purchase we will take it back and refund you full amount - no fuss, no hassle! We test and match all tubes before shipping on many available testers - Amplitrex AT1000, Hickok 539c, MaxiPreamp, MaxiMatcher, MaxiBurn. All tubes are also tested for noise and microphonics.

10 x ECC82 Mazda valves tubes White Mazda logo and printGrey ladder anodesSmall halo gettersMade in EnglandTested good Original boxed NOSAs per photos

4 tubes Mazda ECC82 12AU7 neufs Made in England NOS New old stock . Inscription sur lemballage : BVA Thorn , Mazda radio valve . Idéal pour préamplificateur à tubes haut de gamme Audio Research , Precision Fidelity , Doge 8 Pour une expédition en dehors de lUnion Européenne merci de me dander pour les frais de port et dassurance .

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va=250V Vg=-8,5V & (-5V) Ia=10,5mA & (20mA) HICKOK TV7D/U EV7-6080 B24 B min=56 (65%) (100%=93)EV2-1030 B24 B min=56 (65%) (100%=93) 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....) ue MAZDA Long flat plates, ring getter telefunken bottom code 10,3/10,4 (20,4/20,5) 110/110 EUROPE COUNTRIES --> ASK FOR MONDIAL RELAY SERVICE (LESS EXPENSIVE)

TESTS CONDITIONS (datasheet) DUOVAC RADIOELEC Va=250V Vg=-8,5V & (-5V) Ia=10,5mA & (20mA) HICKOK TV7D/U EV7-6080 B24 B min=56 (65%) (100%=93)EV2-1030 B24 B min=56 (65%) (100%=93) 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....) AUA 6521 MAZDA COPPER ANODES IN SQUARE HOLE IN PLATE 8,6/7,4 (17,1/16,1)mA 90/88 AUA BELVU COPPER ANODES IN SQUARE HOLE IN PLATE 8,8/8,5 (17,6/17,0)mA 94/92 EUROPE COUNTRIES --> ASK FOR MONDIAL RELAY SERVICE (LESS EXPENSIVE)