Unfortunately, power supplies are no longer available from and and it is a special power supply with a positive and negative +/- 6.6 operating voltage.
An experienced technician can replicate this power supply.
Voltage: AC!!!! 2 x 6.6Volt 1A.
XLR Plug: Pin 1= GND, Pin 2 & 3 = 6.6 Volts each AC.