• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

Request information on Anthem Pre-1

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gofcpd

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Joined 2002
#1
I buy a second hand Anthem pre-1 but without power supply.

Can anyone tell me the voltage for the board?

I check there are 3 pairs of wire and also a SW wire to the board.
1. HV (seems it is the high voltage for the tube)
2. PFIL
3. RLFLR
4. SW (what is that for)

Thanks
 
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