Tube-number record
12AX7EH
0 archive entries
12AX7EH is a tube type in the TubeDatabase archive (class: Preamp Dual Triode). Recorded specifications: brand Electro-Harmonix, construction Dual triode, socket Noval (B9A), maximum plate voltage 330 V, and maximum plate dissipation 1.2 W. The archive does not yet hold a photographed example of this type.
BrandElectro-Harmonix
ClassPreamp Dual Triode
BaseNoval (B9A)
Filament6.3 V @ 300 mA
Construction
Primary TypeDual triode
EnvelopeGlass
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage330 V
Plate Dissipation1.2 W
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 | 250 V | 1600 | 62500 | 100 | 1.2 mA |
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