[Milsurplus] Low B+ receiver operation
Ed Zeranski
ezeran at concentric.net
Tue Jul 20 01:56:23 EDT 2004
I got my R808 from a fellow I met in a Norfolk, VA supermarket parking lot
who had a Ham plate on his car. Later I bought an MRC-55/GRC-14 manual.
Geeze! That must have been one honker of a load on a '38 series JEEP. At the
West Coast Military Radio Collector's Group meet a couple of years ago Al
Tipsword brought the GRC-14 units for display....big set!!!
-----Original Message-----
From: Hue Miller <kargo_cult at msn.com>
To: milsurplus at mailman.qth.net <milsurplus at mailman.qth.net>
Date: Monday, July 19, 2004 10:42 PM
Subject: Re: [Milsurplus] Low B+ receiver operation
>
>----- Original Message -----
>From: "Ed Zeranski" <ezeran at concentric.net>
>Subject: Re: [Milsurplus] Low B+ receiver operation
>
>
>>
>> >It's true that the R-808/GRC-14 uses low voltage tubes similar to the
>> R-392,
>> >but the actual weight of the R-808 is 71 pounds.
>>
>> The MANUAL is heavy too! The '808 has its own TTY driver.
>>
>> EdZ
>
>The manual sez because of the low gain at this plate voltage, 21 volts
(yes, that's
>correct ) there are more gain stages needed than usual. But it's not the
extra tubes
>or the TTY demod that add the weight - it's probably the bulletproof case!
>-Hue Miller
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