Introduced in the early '70's, this tranciever featured all-tube circuitry.Covers 10 - 80 meters plus 10 MHz receive. 560 Watts pep input on SSB430 Watts DC input on CW 90 Watts DC input on AMCircuitry uses 13 transistors, 4 fets, 43 diodes and 20 tubesFeatures VOX, crystal calibrator and optional narrow CW filterHad a friend who ran one of these rigs... tended to drift a little, but put out a signal that matched other stations running legal limit power!!!