Home / Vacuum Tube Rectifier 12BH7 Vacuum Tube Replaces 12BH7A 6N6 7119 for HiFi Audio Valve Electronic Tube Amplifier Kit DIY(1pcs)
  • Vacuum Tube Rectifier 12BH7 Vacuum Tube Replaces 12BH7A 6N6 7119 for HiFi Audio Valve Electronic Tube Amplifier Kit DIY(1pcs)
  • Vacuum Tube Rectifier 12BH7 Vacuum Tube Replaces 12BH7A 6N6 7119 for HiFi Audio Valve Electronic Tube Amplifier Kit DIY(1pcs)
  • Vacuum Tube Rectifier 12BH7 Vacuum Tube Replaces 12BH7A 6N6 7119 for HiFi Audio Valve Electronic Tube Amplifier Kit DIY(1pcs)
  • Vacuum Tube Rectifier 12BH7 Vacuum Tube Replaces 12BH7A 6N6 7119 for HiFi Audio Valve Electronic Tube Amplifier Kit DIY(1pcs)
  • Vacuum Tube Rectifier 12BH7 Vacuum Tube Replaces 12BH7A 6N6 7119 for HiFi Audio Valve Electronic Tube Amplifier Kit DIY(1pcs)
  • Vacuum Tube Rectifier 12BH7 Vacuum Tube Replaces 12BH7A 6N6 7119 for HiFi Audio Valve Electronic Tube Amplifier Kit DIY(1pcs)

Vacuum Tube Rectifier 12BH7 Vacuum Tube Replaces 12BH7A 6N6 7119 for HiFi Audio Valve Electronic Tube Amplifier Kit DIY(1pcs)

Preamps
The has good linearity low noise and good reliability
The tube is designed for service as power rectifiers in AC operated receivers which require high currents.
The service life longer and the failure rate greatly reduced.
The special with signal and has low noises output.
Dur
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  • Detail

    Preamps
    Interpole capacitance
    No.1 No.2
    Gate Screen: 2.6 2.6
    Input capacitance: 3.2 3.2 PF
    Output capacitance: 0.5 0.4 PF
    1-2 screens: 0.8 PF
    Maximum rated value
    Screen voltage: 300V
    Screen dissipation power: 3.5W
    Gate voltage: 0 -50V
    Cathode current: 20 mA
    Voltage between hot wire and cathode: 200V
    Gate resistance: 0.25 1M
    Typical working characteristics
    Class A1 amplification (every three pole section)
    Screen voltage: 250V
    Gate voltage: -10.5V
    Screen current: 11.5mA
    Internal resistance of the plate: 5300
    Mutual conductivity: 3100µA/V
    Amplification factor: 16.5
    Screen current: (Vg=-14V) 4mA
    Gate voltage: (Ia=50 µ A) -23V
    ==========
    Channels : 2 (2.0)
    Model Number : 12BH7
    Maximum Power Per Channel : NO POWER
    Origin : Mainland China
    Tubes : EL34 6P14 EL84 KT88 300B 6SN7 CV181 274B 5U4G 12AX7 12AU7 ECC83 ECC82 101D

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