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Pre Tube Amplifiers Audio Board Fever 6N1 Bile Tone Board Two Channel Balanced Output
Product Description
Operating voltage: dual AC3.15V or single 6.3V (20W) and AC160V (15W) two sets of voltage
Potentiometer function: (from left to right): 1. Volume 2. Treble 3. Bass
This board is a two-channel, so need to work with four mono amplifier board or two two-channel amplifier board.
Connection:
The "G" and "+ L" on the board are connected to the input of the first amplifier board, "G" and "-L" are connected to the input of the second power amplifier board.
And then connect speaker to the output of the two amplifier board, it Constitute the left channel.
G, + R and G, -R connection form to the right channel.
If need to connect to Non-balanced power amplifier board, Please connect the "G", "+L" and "G", "+ R" to left and right channel inputs of Amplifier boards.
PCB Size: 139 * 170MM
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