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Title: UTC VM-3 250 Watt Modulation Transformer, New In Box Post by: W2XR on October 07, 2025, 10:16:08 PM I am doing my annual shack clean-out, and here is a new-old-stock/new-in-box, never used UTC VM-3 Modulation Transformer that I am offering for sale. AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
This also includes the original data sheet and connection diagrams for matching various modulator tubes to various class C load impedances. It is designed to modulate a class C final amplifier stage having a DC plate input of up to 250 watts. The price is $100.00, plus the cost of shipping to your QTH. Thanks & 73, Bruce, W2XR |