2026 NEW Shuguang Tube 12BH7(E182CC)Amplifier HIFI Audio Vacuum Tubes

2026 NEW Shuguang Tube 12BH7(E182CC)Amplifier HIFI Audio Vacuum Tubes

the price is for one piece

Heating by a hot wire

Uh…………………………………………………………… 6.3 (in parallel)   12.6 (in series)     V

Ih………………………………………………………………0.60         0.3           A

Inter-electrode capacitance

No.1           No.2

Gate–screen capacitance………………………………………………………..2.6            2.6        PF

Input capacitance…………………………………………………………3.2            3.2        PF

Output capacitance……………………………………………………….. 0.5            0.4        PF

Capacitance between screen 1 and screen 2…………………………………………………………. 0.8           0.9        PF

Maximum ratings

Screen voltage………………………………………………………… 300         V

Power dissipated by the screen…………………………………………………. 3.5         W

Gate voltage ………………………………………………………..-50         V

Cathode current ………………………………………………………..20         mA

Voltage between the hot wire and the cathode…………………………………………….. 200         V

Resistance of the first gate

Fixed bias voltage………………………………………………………… 2.5         MΩ

Self-bias voltage……………………………………………………………. 1          MΩ

Typical operating characteristics

Class A1 amplification (per triode section)

Screen voltage ………………………………………………………..250         V

Gate voltage ……………………………………………………….-10.5        V

Screen current ……………………………………………………….11.5         mA

Internal resistance of the screen ………………………………………………………..5.3         KΩ

Transconductance ………………………………………………………………3.1         mA /V

Amplification factor………………………………………………………….17