RigPix logo

Collins/Rockwell logo

Back to main

Back to Collins/Rockwell

Next receiver

Copyright logo

Last modified 2023-01-21

Valid HTML 4.01 Transitional

Collins R-391/URR

A picture of Collins R-391/URR


Type:HF receiver
Frequency range: 0.5-32 MHz in 32 bands
Tuning steps:Continuous
Frequency stability:? ppm
Mode:AM / CW (SSB)
Channels / memory management: None
Power supply:Mains: 115 / 230 VAC 10%
Current drain / power consumption:270 W total
170 W (With oven heaters off)
Antenna impedance / connector:Hi-Z / SO-239 (Unbalanced, random wore or whip)
125 ohm / ? (Balanced)
Dimensions (W*H*D):483*267*438 mm (19*10.5*17.25")
Weight:30.62 Kg (67.5 lb)
Other features:

Receiver system: Double conversion superheterodyne (8-32 MHz)
1st IF: 3 MHz
2nd IF: 455 KHz
Triple conversion superheterodyne (0.5-8 MHz)
1st IF: 9-18 MHz
2nd IF: 2-2.5 MHz on the lowest band - 3 MHz on the other bands
3rd IF: 455 KHz
Sensitivity: AM: 3 uV (No reference)
CW (SSB): 1 uV (No reference)
Selectivity:100 Hz to 16 KHz in 6 steps
Image rejection:
AF output power / speaker:500 mW at ?% distortion / No internal speaker
External speaker connector:Screw terminals, 600 ohm

Manufactured:USA, 195x-19xx (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Options / Accessories:
- -