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ELECTRO HARMONIX GOLD 12AT7EH Tube Twin Triode
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Electro Harmonix Gold 12AT7EH Tube Twin Triode (Unit)
The Electro-Harmonix Gold 12AT7EH is a dual triod tube with gold-plated contacts and equipotential cathodes. It is an excellent choice for preamplification.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Dual triode tube |
| Number of pins | 9 |
| Contacts plating | Gold |
| ELECTRICAL PARAMETERS | |
|---|---|
| Heater current | Voltage of 6.3V : 350-390V Voltage of 12.6V : 175-195V |
| Grid back current | 0.5mA |
| Plate current | 7-14mA |
| First and second triodes plate current difference | ±40% |
| Amplification factor | 45 |
| Cathode - heater insulation resistance | 20MΩ |
| Plate current at the beginning of the characteristic | 30µA |
| Limit values | |
|---|---|
| Filament voltage | Parallel connection : 6-6.6V Peries connection :12-13.2V |
| Plate voltage | 330V |
| Power dissipation at the plate of each triode | 3.25W |
| Cathode current | 18mA |
| Grid circuit resistance for each of the triodes | Fixed bias : 0.25MΩ Self - bias :1MΩ |
| General | |
|---|---|
| Package | Sold by unit |
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