[Milsurplus] R-366

Tue, 13 Jan 2004 16:46:43 -0600

Thanks...Just the info I was looking for

Bob, AF2HD


At 05:43 PM 1/13/2004 -0500, WF2U wrote:

>Bob,
>
>Here are my observations and information on the R-366/TRR-5 receiver
>
>The R-366 is a decent receiver. It's a nice set with great, powerful audio
>for shortwave broadcast listening and of course, for AM reception on the ham
>bands. It's fairly stable, will receive SSB after a warm up period. The
>original LS-171/U speaker is an excellent sound reproducer and almost as
>heavy as  the  radio itself ;-) .
>You'll have to get used to the gearing of the dial mechanism: the dial
>rotates in the opposite direction from the tuning knob.
>
>The receiver was a Navy contract from 1949 and was manufactured for
>something like 3-4 years. The contract number is N0bsr-43229 dated 15 March
>1949. Here is the receiver description from my NAVSHIPS 91454(A) manual. and
>the receivers were manufactured by Espey Manufacturing Company, Inc. in New
>York, NY. My R-366 is from 1953. The receivers were made for the US Marine
>Corps use.
>Here is the receiver description from my NAVSHIPS 91454(A) (BuShips 1 May,
>1951) manual. - I scanned a few pertinent sections from it:
>
>Purpose
>a.      Radio Receiving Set AN/TRR-5 is a general purpose receiving set designed
>for use as an entertainment unit or auxiliary communications receiver. It
>may be used at shore stations or on shipboard whenever a 60 cycle 115V AC
>voltage is available. It is a locally controlled, 16 tube superheterodyne
>with a frequency range of 540  to 30,000 Kilocycles covered in five bands.
>It can be used on either CW (continuous wave) or MCW (continuous waves
>modulated with tone or voice) signals. The receiver is capable of delivering
>5 watts of audio power to the loudspeaker with less than 5 percent
>distortion. The equipment is ruggedly constructed for use under adverse
>conditions and is complete except for headphones and antenna.
>b. Radio Receiving Set AN/TRR-5 consists of the following components and
>accessories: Radio Receiver R-366/TRR5, Loudspeaker LS-171/U, Case CY-851/
>TRR-5, transportable group
> maintenance parts, power cable, speaker cable and connectors for antenna
>input, scanning output, and audio output.
>
>5.      ELECTRICAL CHARACTERISTICS.
>a.      FREQUENCY RANGE.-The receiver has a working frequency range of from 0.54
>to 30 megacycles (mc) without hiatus.
>b.      NUMBER OF BANDS.-Five bands.
>c.      RANGE OF EACH BAND.
>                  1)   Band A 13  to 30 MCs
>2)   Band B   6 to l4 MCs
>                  3)       Band C  2.7 to 6.5 MCs
>                  4)       Band D  1.3 to 3 MCs
>                  5)   Band E  0.54 to 1.3 MCs
>ACCURACY OF MAIN TUNING DIAL CALIBRATION.-? 1 percent.
>e.      INTERMEDIATE FREQUENCY. -455 kc;
>f.      IMAGE REJECTION.-5 to 80 decibels.-{db)
>g.      INTERMEDIATE FREQUENCY REJECTION.- 65 db.
>h.      SIGNAL TO NOISE RATIO (MCW).-10 db.
>i.      SIGNAL TO NOISE RATIO (CW).-20 db.
>j.      SENSITIVITY (MCW).-<10 micro-volts (uv).
>k.      SENSITIVITY (CW).-<5 uv.
>1.      SCANNING CHANNEL SENSITIVITY.-10 uv.
>m.      AUDIO CHANNEL OUTPUT.- 6 milliwatts (mw) with respect to a 600-ohm load
>at the line output terminals of the receiver.
>n.      SCANNING CHANNEL OUTPUT.-100 uv with respect to a 70-ohm load at the
>scanning output jack.
>o.      MODULATION FREQUENCY.-l000 cycles per second (cps).
>p.      BEAT NOTE FREQUENCY. l000 cps.-
>q. AUDIO OUTPUT.-The audio input is designed to work into the following:
>              (1) 600-ohm line
>              (2) Loudspeaker (6 ohms)
>              (3) One set of headphones with 600 ohms impedance.
>r. MAXIMUM UNDISTORTED OUTPUT.
>(1) 5 W into the 600 ohm load at the line terminals
>(2) 5 W into the loudspeaker
>(3) 6 mW into the headphone terminals
>
>
>I hope this info is useful to you.
>
>73, Meir WF2U
>Gowensville, SC
>
>-----Original Message-----
>From: [email protected]
>[mailto:[email protected]]On Behalf Of Bob Wilder
>Sent: Tuesday, January 13, 2004 12:42 PM
>To: [email protected]; [email protected]
>Subject: [Milsurplus] R-366
>
>A R-366 receiver has been donated to the LST-325.  Does anyone know where we
>can find
>the specs on this receiver?
>
>TIA
>
>Bob Wilder
>6032 Idlemoore Court
>Theodore, AL 36582-4117
>251-653-5274
>http://home.earthlink.net/~bwild
>Asst USAF State MARS Director- Alabama
>AF2HD/AFA2HD
>
>
>
>
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Bob & Carole Wilder
6032 Idlemoore Court
Theodore, AL 36582-4117
251-653-5274
http://home.earthlink.net/~bwild
Asst USAF State MARS Director- Alabama
AF2HD/AFA2HD
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