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ELECTRO HARMONIX GOLD 12AX7EH Tube Twin Triode
The Electro-Harmonix 12AX7EH Gold is a short-plate dual triode tube with gold-plated pins, designed to deliver high gain and extremely low noise thanks to its spiral filament. This tube is a suitable replacement for ECC83 or 7025 tubes.
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Electro Harmonix Gold 12AX7EH Tube Twin Triode (Unit)
The Electro-Harmonix 12AX7EH Gold is a short-plate dual triode tube with gold-plated pins, designed to deliver high gain and extremely low noise thanks to its spiral filament. This tube is a suitable replacement for ECC83 or 7025 tubes.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Dual triode tube |
| Number of pins | 9 |
| Contacts plating | Gold |
| ELECTRICAL PARAMETERS | |
|---|---|
| Heater current | Tension de 6.3V : 320-365V Tension de 12.6V : 160-183V |
| Grid reverse current | 0.2mA |
| Plate current | 7.5-13.5mA |
| First and second triodes plate current difference | ±15% |
| Amplification factor | 83 |
| Cathode - heater insulation resistance | 20MΩ |
| Plate current at the beginning of the characteristic | 30µA |
| Limit values | |
|---|---|
| Filament voltage | Parallel connection : 6-6.6V Series connection : 12-13.2V |
| Plate voltage | 330V |
| Power dissipation at the plate of each triode | 1.2W |
| Cathode current | 9mA |
| Grid circuit resistance for each of the triodes | Fixed bias : 1MΩ Self-bias : 2.2MΩ |
| General | |
|---|---|
| Package | Sold ny unit |
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