The general transformer has dual 12V front power supply and dual 24V post power supply at least 2 groups of output. The double 12V for tone board. The main winding with double 24V or more after the stage.

① With NE5532 operational amplifier.

② For the amplifier board preamplifier to amplify the pre-level volume and can do high and low bass adjustment, to optimize the sound quality.

③ Sealed dustproof potentiometer.

④ Wide voltage supply.

Specifications:

Supply voltage: AC double 12V±2V

Power consumption: 5W

Dimensions: 100*60mm (not including knob protruding part)

Mounting hole distance: K=M3    J=53X93

Pre-chip: NE5532

Input interface: standard lotus socket

Output interface: 2.54-3P

Number of channels: two channels

Adjustment type: 4 channels (treble+middle+bass+total volume)

Package Included:

1 × Assembly adjustment amp board