Note
CQ, Aug 1961, p. 101.
Allied Radio catalog 1961 (copyright 1960), pp. 276–277.
Allied Radio catalog 1965 (copyright 1964), p. 72.
Allied Radio catalog 1966 (copyright 1965), p. 77. (R-55A)
Allied Radio catalog 1968 (copyright 1967), p. 457.
The R-55 and R-55A are fundamentally identical. The 55A is just a cosmetic update designed to better match the T-60 transmitter.
The Knight R-55 is an AC-operated, general-coverage communications receiver. It was designed as a budget-friendly option for new radio amateurs, providing a versatile alternative to multi-hundred-dollar ham-band-only units. It features a transformer operated power supply. It was often paired with the T-60 transmitter.
The R-55 features a prominent multi-band slide-rule dial, flywheel tuning, a separate BFO (Beat Frequency Oscillator) tube, and a dedicated antenna trimmer to perfectly match the receiver to the user's antenna system.
– Frequency Coverage: Covers 530 kHz to 33 MHz. It also features a dedicated 6-meter band coverage from 47 mc to 54 mc.
– IF Frequency: 1650 kc
– Antenna Impedance: 52 ohms
Tube Lineup (6 total)
– 6BE6 Frequency conversion and local oscillator.
– 6BZ6 First IF amplifier.
– 6AW8A Second IF amplifier and audio driver.
– 6AL5 Detector and noise limiter.
– 6AW8A Audio power output and BFO
– EZ90 / 6X4 Rectifier
Power Requirements : 117 VAC, 60 watts
References
Brief description. Electronics World, Jun 1961, p. 114.
Brief description. Popular Electronics, Jun 1961, p. 30.
Review. 73, Dec 1961, 58.
Allied Radio catalog 1962 (copyright 1961), p. 413.