R-392/URR

Collins Radio Company; Cedar Rapids (IA)

Data
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  • Year
  • 1951–1962
  • Category
  • Commercial Receiver (may include amateur bands)
  • Radiomuseum.org ID
  • 72005

Click on the schematic thumbnail to request the schematic as a free document.

 Technical Specifications

  • Number of Tubes
  • 25
  • Main principle
  • Superhet, double/triple conversion
  • Wave bands
  • Broadcast plus more than 2 Short Wave bands.
  • Power type and voltage
  • Storage and/or dry batteries / 24-28 Volt
  • Loudspeaker
  • - For headphones or amp.
  • Power out
  • 0.2 W (unknown quality)
  • Material
  • Metal case
  • from Radiomuseum.org
  • Model: R-392/URR - Collins Radio Company; Cedar
  • Shape
  • Tablemodel, with any shape - general.
  • Dimensions (WHD)
  • 295 x 295 x 360 mm / 11.6 x 11.6 x 14.2 inch
  • Notes

  • Collins R-392/URR radio receiver: coverage 0.5 to 32 MHz in 32 bands, CW (A1)/ MCW (A2)/ AM (A3)/ FSK (F1) with a matching converter.

    Triple conversion below 8 MHz (IF 9.5-18 MHz / 2-3 MHz / 455 kHz), double conversion above (IF 2-3 MHz and 455 kHz). 2 RF stages + 6 IF stages. Three selectable IF-bandwidths (8 / 4 / 2 kHz), AGC, 100 KHz crystal-calibrator. PTO-VFO. Frequency readout provided by 5 digits mechanical counter. All connections on the front panel.

    Also made by other manufacturers.

    Low supply tubes used, partly 26A6 has been replaced 26FZ6. Tube spares case CY-1298/URR.

    Used as a part of AN/GRC-19 vehicular system, matching transmitter T-195, or also as standalone FSK radioteletype receiver system.

     

  • Net weight (2.2 lb = 1 kg)
  • 23.7 kg / 52 lb 3.2 oz (52.203 lb)
  • Source of data
  • -- Original-techn. papers.
  • Author
  • Model page created by Alexander Küffer. See "Data change" for further contributors.

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 Forum

Forum contributions about this model: Collins Radio: R-392/URR

Threads: 2 | Posts: 2

Allego il foglio di collaudo del ricevitore, con le misure di sensibilità in uV per un SINAD di 10 dB. Data: 5 giugno 1969.

Receiver Test Data Sheet (s/n 1315)

Attachments

Tonino Giagnacovo, 03.Jan.16

Weitere Posts (1) zu diesem Thema.

From the original instruction book, here the tube layout informations necessary for troubleshooting this receiver:

V201 26A6 1st R-F Amplifier RF
V202 26A6 2nd R-F Amplifier RF
V203 26C6 1st Mixer RF
V204 26C6 2nd Mixer RF
V401 6AJ5 1st Crystal Oscillator CRY
V402 6AJ5 2nd Crystal Oscillator CRY
V501 26A6 1st I-F Amplifier  I-F
V502 26A6 2nd I-F Amplifier  I-F
V503 26A6 3rd I-F Amplifier  I-F
V504 26A6 4th I-F Amplifier  I-F
V505 26A6 5th I-F Amplifier  I-F
V506 26A6 6th I-F Amplifier  I-F
V601A/B 12AU7 I-F Cathode Follower / 1st R-F AGC Rectifier A-F
V602A/B 12AU7 R-F and I-F AGC Rectifier A-F
V603 12AU7 Detector / Noise Limiter A-F
V604 26A6 BFO A-F
V605 6AJ5 Squelch Control A-F
V606 6AJ5 1st A-F Amplifier A-F
V607 6AJ5 Phase Inverter A-F
V608 26A7GT 2nd A-F Amplifier A-F
V609 26A6 AGC I-F Amplifier A-F
V701 12AU7 Multivibrator CAL
V702 26A6 200 kHz Crystal Oscillator CAL
V703A/B 12AU7 Harmonic Amplifier / Distorter CAL
V801 26D6 VFO - Mixer VFO

I-F: located on IF-Subchassis
A-F: located on A-F Subchassis
VFO: located on VFO - Mixer - Subchassis
CAL: located onCalibrator - Oscillator Subchassis
CRY: located on Crystal Oscillator Subchassis
RF: located on R-F Subchassis

Martin Bösch, 09.May.10

Weitere Posts (1) zu diesem Thema.