These receivers were manufactured between 1958 - 1962. It is a seven band, ham-band only dual conversion receiver with a tunable HFO. The IFs are 2215 khz and 80 khz. For a filter, it uses an 80 khz L/C and a Q-multiplier. It has AM, CW, and Sideband mode selections. It has 15 tubes.
Tube lineup: 6BZ6 RF, 6BA7 mixer, 6AH6 HFO, 6BE6 mixer 2/ xco, 2 6BJ6 if, 6AL5 det/ANL, 6BE6 product detector/BFO, 6AL5 ssb-cw noise limiter, 12AT7 af1/meter amp, 12AX7 Q-multiplier, 6AQ5 af out, 4H4-C current regulator, 0B2 voltage regulator, 5Y3 rectifier. It produces 1 watt of audio into 8 ohms.
This receiver required little in the way of restoration: General cleanup, switch contact cleaning, replacement of 4 "black-beauty" caps, and a full IF/RF alignment. This is really a fine radio.
top view, cover off:
bottom view, cover off:
