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The Electro-Harmonix 12BH7EH Gold is a dual triode tube with gold-plated contacts and equipotential cathodes. Designed for Hi-Fi applications, this tube is a great replacement for the 6DJ8, ECC88, 6922, E88CC and 7308 models.
Technical characteristics
Specifications | |
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Product type | Dual triode tube |
Number of pins | 9 |
Contacts plating | Gold |
ELECTRICAL PARAMETERS | |
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Heater current | 335-385V |
Grid reverse current | 0.3mA |
Plate current | 10-20mA |
Amplification factor | 24-40 |
Cathode - heater insulation resistance | 12.5MΩ |
Plate current at the beginning of the characteristic | 100µA |
Limit values | |
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Filament voltage | 6-6.6V |
Plate voltage | 300V |
Power dissipation at the plate of each triode | 1.8W |
Cathode current | 20mA |
Grid circuit resistance for each of the triodes | 1MΩ |
Grid voltage | -100V |
Maximum glass temperature | 393K° |
General | |
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Package | Sold by unit |