03-07-2023, 11:09 PM
Bonjour,
J’ai une commande pour remplacer les tubes de mes blocs ARC vt150se et je crois qu’après échanges sur un autre fil ces modèles NOS sont corrects? Et au niveau des mesures?
J’ai besoin de (x 2) :
![[Image: 21-F46714-876-F-4-FD4-8-B0-A-C9-D327116-DEA.jpg]](https://i.ibb.co/xJZ8k0V/21-F46714-876-F-4-FD4-8-B0-A-C9-D327116-DEA.jpg)
La commande:
6550 tubes were all made by Tungsol in the 1960's. It is a beam power amplifier and carries a 42 watt plate dissipation rating.
Here are the readings for each tube
tube 1
46.9 volts
4.94 mA/V
tube 2
45.9 volts
4.63 mA/V
tube 3
37.6 volts
4.60 mA/V
tube 4
37.3 volts
4.49 mA/V
tube 5
35.8 volts
4.28 mA/V
tube 6
33.3 volts
4.21 mA/V
tube 7
33.0 volts
4.39 mA/V
tube 8
31.1 volts
4.18 mA/V
tube 9
30.8 volts
6.25 mA/V
tube 10
29.0 volts
6.60 mA/V
tube 11
28.7 volts
6.78 mA/V
tube 12
26.5 volts
5.75 mA/V
The 6922 tubes were made by Sylvania in March 1979. It is a dual triode.
Here are the readings for each tube:
tube 1
GM 3642 / 2984 uMHOS
tube 2
GM 3795 / 3015 uMHOS
tube 3
GM 3621 / 3560 uMHOS
tube 4
GM 3241 / 2900 uMHOS
The 12AX7 tubes were made by Sylvania in the 1960's. The are also duel triodes.
Here are the readings for each tube:
tube 1
GM 1982 / 1947 uMHOS
tube 2
GM 1967 / 1967 uMHOS
The 12BH7A tubes were made by Sylvania in the 1950's. It also is a dual triode.
Here are the readings for each tube:
tube 1
GM 2384 / 2241 uMHOS
tube 2
GM 2300 / 2294 uMHOS
tube 3
GM 2358 / 2376 uMHOS
tube 4
GM 2175 / 2074 uMHOS
tube 5
GM 2440 / 2360 uMHOS
tube 6
GM 2140 / 2190 uMHOS
tube 7
GM 2068 / 2194 uMHOS
tube 8
GM 2205 / 1660 uMHOS
Qu’en pensez-vous ?
J’ai une commande pour remplacer les tubes de mes blocs ARC vt150se et je crois qu’après échanges sur un autre fil ces modèles NOS sont corrects? Et au niveau des mesures?
J’ai besoin de (x 2) :
![[Image: 21-F46714-876-F-4-FD4-8-B0-A-C9-D327116-DEA.jpg]](https://i.ibb.co/xJZ8k0V/21-F46714-876-F-4-FD4-8-B0-A-C9-D327116-DEA.jpg)
La commande:
6550 tubes were all made by Tungsol in the 1960's. It is a beam power amplifier and carries a 42 watt plate dissipation rating.
Here are the readings for each tube
tube 1
46.9 volts
4.94 mA/V
tube 2
45.9 volts
4.63 mA/V
tube 3
37.6 volts
4.60 mA/V
tube 4
37.3 volts
4.49 mA/V
tube 5
35.8 volts
4.28 mA/V
tube 6
33.3 volts
4.21 mA/V
tube 7
33.0 volts
4.39 mA/V
tube 8
31.1 volts
4.18 mA/V
tube 9
30.8 volts
6.25 mA/V
tube 10
29.0 volts
6.60 mA/V
tube 11
28.7 volts
6.78 mA/V
tube 12
26.5 volts
5.75 mA/V
The 6922 tubes were made by Sylvania in March 1979. It is a dual triode.
Here are the readings for each tube:
tube 1
GM 3642 / 2984 uMHOS
tube 2
GM 3795 / 3015 uMHOS
tube 3
GM 3621 / 3560 uMHOS
tube 4
GM 3241 / 2900 uMHOS
The 12AX7 tubes were made by Sylvania in the 1960's. The are also duel triodes.
Here are the readings for each tube:
tube 1
GM 1982 / 1947 uMHOS
tube 2
GM 1967 / 1967 uMHOS
The 12BH7A tubes were made by Sylvania in the 1950's. It also is a dual triode.
Here are the readings for each tube:
tube 1
GM 2384 / 2241 uMHOS
tube 2
GM 2300 / 2294 uMHOS
tube 3
GM 2358 / 2376 uMHOS
tube 4
GM 2175 / 2074 uMHOS
tube 5
GM 2440 / 2360 uMHOS
tube 6
GM 2140 / 2190 uMHOS
tube 7
GM 2068 / 2194 uMHOS
tube 8
GM 2205 / 1660 uMHOS
Qu’en pensez-vous ?