Acoustic Guitar Amplifiers & Preamps / Preamps
Hot wire heating
Er: 6.3V
Rated current: 0.6V
Interelectrode capacitance
No. 1 No. 2
Input capacitance: 2.2 2.6 pF
Output capacitance: 0.7 0.7 pF
Inter-circuit capacitance: 4 3.8 PF
Final Rating
Class A1 amplification (single-sided)
Voltage: 450V
Current: 20mA
Power factor: 5W
Power factor (No. 1 + No. 2): 7.5W
Ultra-high impedance: ±100V
Right: 1M
Static parameters
Voltage: 90~250V
Voltage: 0-8V
Current value: 109mA
On resistance: 3 2.6mA/V
µ: 20 20
Daily average: 6.7 7.7k
When Ug=-12.5V, Ia -1.3 mA
Ia=10µA Ug -7-18V