JLH Dual channel single ended 1969 class a AMP pre amplifier headphone amplifier preamplifier board
Technical parameter:
Working voltage: Technical parameter:
Working voltage: AC 12V+12V (12V~0~12V)
Job type: single ended class A
Frequency characteristics: 12HZ~50kHZ (+0dB, -1dB); 12HZ~120kHZ (+0dB, -3dB)
Voltage gain: 21dB
Signal to noise ratio: >101dB
Conversion rate: >35V/ S
Quiescent current: 120mA
Amplifier size: 120x115 mm