More SR-150 rigs were produced than any other SR series rigs. There were 7 production runs from 1960 – 1965. Documentation on production run 4 authorizes the purchase of parts and build of 250 units.

SR-150 REPAIR AND RESTORE MANUAL

SR-150 VFO QUICK ALIGNMENT

SR-150 6MHz IF ALT ALIGNMENT

MIC AUDIO FEEDTHROUGH IN RX

LOW POWER IN CW AND TUNE 

PRESELECTOR FLYING

TRANSMITTER AUDIO FAULT ISOLATION

MODIFICATIONS AND ERRATA SHEET

PERFORMANCE SPECIFICATION

AGC/GAIN/SENS/FIGURE OF MERIT

ZERO SIGNAL AGC THRESHOLD

PA BIAS ADJUST

THE INFAMOUS C100