R-390A Famous Collins designed military receiver covers 0.5 to 32 MHz AM-CW-MCW in 31 one MHz bands read directly on mechanical counter. Has four Collins mechanical filters and one crystal filter allowing .1-1-2-4-8-16 KHz selectable bandwidths. 100 kHz crystal calibrator, BFO, AGC, noise limiter, dial lock. 600 ohm audio output. 24 tubes, two diodes; two antenna connectors, twinax (balanced) and "C" (unbalanced). Requires 115/230 VAC 60 Hz. 10.5x19x16.8, 92 lbs shipping. Units are disassembled, cleaned, repainted where necessary, reassembled with any unapproved mods removed and any defective parts replaced, tuned to military spec. Sorry no top or bottom covers. Call for availability. (M1E) Used checked.
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