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Order Detail N°479896 - 2024-10-28
Je les ai reçus le 11/04/2024 17.20
Merci.
This review has been posted for SOVTEK 12AX7WA / 7025 Twin Triode Tube (Unit) Je les ai reçus le 11/04/2024 17.20
Merci.
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SOVTEK 12AX7WA / 7025 Twin Triode Tube (Unit)
This Sovtek 12AX7WA/7025 double triode tube with low gain and extremely low microphony is ideal for the replacement of a 12AX7/ECC83 tube, or in a DIY setup. This model is known for its musicality and the roundness of its reproduction.
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Sovtek 12AX7WA / 7025
Twin Triode Tube
This Sovtek 12AX7WA/7025 double triode tube with low gain and extremely low microphony is ideal for the replacement of a 12AX7/ECC83 tube, or in a DIY setup. This model is known for its musicality and the roundness of its reproduction.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Tube |
| Tube type | Twin triode |
| Number of pins | 9 |
| Dimensions | Ø22.5 x 56.5mm |
| Electrical parameters | |||
|---|---|---|---|
| Parameter | Conditions | Min | Max |
| Heater current | Filament voltage : 6.3V | 300mA | 340mA |
| Filament voltage : 12.6V | 150mA | 170mA | |
| Grid reverse current | Filament voltage 6.3V ou 12.6V, plate voltage 250V, grid voltage minus 2V, grid circuit resistance 1MΩ | - | 0.2µA |
| Plate current | Filament voltage 6.3V ou 12.6V, plate voltage 250V, grid voltage minus 2V | 0.75mA | 2mA |
| First and second triodes plate current difference | Filament voltage 6.3V ou 12.6V, plate voltage 250V, grid voltage minus 2V | - | ±40% |
| Amplification factor | Filament voltage 6.3V ou 12.6V, plate voltage 250V, grid voltage minus 2V | 82 | 110 |
| Limit values | |||
|---|---|---|---|
| Parameter | Conditions | Min | Max |
| Filament voltage | Parallel connection | 6V | 6.6V |
| Series connection | 12V | 13.2V | |
| Plate voltage | - | - | 300V |
| Cathode - Heater votlage | - | - | ±200V |
| Cathode current | - | - | 10mA |
| Power dissipation at the plate of each triode | - | - | 1W |
| Grid circuit resistance for each of the triodes | Fixed bias | - | 1MΩ |
| Self bias | - | 2.2MΩ | |
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Average votes 5.0 / 5 3 reviews | Why write products reviews ? You can share your feelings about products and help other people by sharing your experience |
Note :
5/5
Date :
2024-11-04
Nikos Z.
Note :
5/5
Date :
2024-03-23
Christophe M.
DESCRIPTIF CONFORME
Belle scene sonore, belles définition, belle musicalité, bref dans la lignée de qualité d’écoute de ce fabricant et comme toujours à prix imbattable. Privilégié au Genalex Gold Lion qui est déjà une très belle référence. Installé sur mon préamplificateur Aesthetix, les tubes livrés fonctionnent parfaitement (4éme série de tube commandée chez Audiophonics et parfait fonctionnement pas comme chez TAD). Appairage pas nécessaire pour un préamplificateur, la balance est respectée. Donc sans hésitation.
This review has been posted for SOVTEK 12AX7WA / 7025 Twin Triode Tube (Unit) Belle scene sonore, belles définition, belle musicalité, bref dans la lignée de qualité d’écoute de ce fabricant et comme toujours à prix imbattable. Privilégié au Genalex Gold Lion qui est déjà une très belle référence. Installé sur mon préamplificateur Aesthetix, les tubes livrés fonctionnent parfaitement (4éme série de tube commandée chez Audiophonics et parfait fonctionnement pas comme chez TAD). Appairage pas nécessaire pour un préamplificateur, la balance est respectée. Donc sans hésitation.
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