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RADIOANQ - WRL UM-1 modulator For sale is a homebrew version of the WRL UM-1 modulator designed to plate moudulate a Globe Chief 90 and other transmitters. It at minimum needs a bias resistor which is broken for the 1885/6L6 modulators. The modulation transformer is a CVM-2 multi-impedance unit. I did not have success getting it going and modulating my Lyscon 600S though it seemed clean on the o'scope. This is a heavy best with all that iron so very hard to pack and safely ship. I am asking $50 for it picked up in SE Michigan. PayPal, USPS money order or cash is acceptible. Listing #1760679 by NJ2R Submitted on 03/02/26 Submitted from 128.sub-97-156-127.myvzw.com Click to Contact Back to Previous Page

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