Small PCB for both pre-amplifier and power amplifier, which may be used separately. No adjustments required. Short circuit protection.

Specifications

• power supply: 4.5 to 15V DC
• input sensitivity:
  • power amplifier: 150mV / 20Kohm
  • pre-amplifier: 20mV (12V) / 200Kohm
• frequency output: 60Hz to 15kHz
• output power: 2.5W max. (4ohm / 12V)
• dimensions: 1.7" x 1.3" x 1.1"
• recommended transformer: -
• recommended housing: -