[R-390] Longmont Audio Labs

[mdmerz]

Byron, I believe that mod is in Electric Radio magazine , and probably mentioned in the archive. I’ll look later today for the issue. I have this mod in my R390a. Dan

Sent from my iPad Air4

> On Jul 15, 2022, at 5:16 AM, Byron Tatum <bjtatum1 at att.net> wrote:
> 
> Hello-   Does anyone know where I may find a schematic for or possibly the step by step procedure to convert an R-390A audio deck per the Longmont Audio Labs design? I have one of these audio decks but would like to have documentation for it. It has a 6360 tube.Thanks,Byron W5FH
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