There are two separate AC supplies coming out of the PS-3: 8.5 VAC @ 1A and 34.5 VAC CT @ 250mA. Pinout is as follows: 8.5 VAC on pins 6 and 1, 17 VAC on pins 7 and 3, center…
: 308 VCA Volume Control / Loudness EQ
No, the only option would be to use a 12VDC to 117VAC inverter with the supplied PS-3 inline power supply.
308 Data Sheet
308 Flow Chart
308 User's Guide