K&K Audio / Lundahl Transformers

RE: Bellari RP220 mod - LL1530

141.214.17.17

In Reply to: RE: Bellari RP220 mod - LL1530 posted by KevinC on September 22, 2009 at 17:57:50

I couldn't find a schematic for the RP220. It was a Black Lion Audio modification that was suggested to replace the stock input tranny with a LL1530, but no instructions on hookup. I took my best guess and hooked up the tranny, but I got a low output. I tried to reverse the wiring but same problem.

The four wires going to the PCB for the input tranny are - One to ground. One to (+) XLR in. One to (+) XLR in though a resistor. One to input pad switch.

If you have any hints on where to start, let me know. Otherwise I will keep trying to figure out the schematic by looking at the pcb.

Thanks for your help!

Follow Ups:

RE: Bellari RP220 mod - LL1530 - KevinC 05:36:07 09/24/09 (0)

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