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ANY ONE KNOW ABOUT THESE???

Tony

Active Member
Nov 24, 2007
134
2
28
LIKE WHATS IT WORTH IS IT A GOOD RADIO OR A PICE OF CRAP ANY GOOD MODS YOU CAN DO TO IT ?
 

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royce640.jpg

This is Royce's model 640 deluxe SSB base. This radio had more knobs, buttons, and meters, than most people knew what to do with. Besides the usual standard features of Volume, Squelch, the standard 23 channels, and a synchronized Transmit/Receive Clarifier, it also sported a clock with alarm function, an R.F. Gain, Tone control, PA volume (on a base station?) SWR metering, with separate calibration and reflected SWR meters, noise blanker and a switchable AGC (why?). The radio was an overall good performer, which mated up well with either Turner or Astatic mikes. Receiver performance was impressive as well, with a better than .3 uV sensitivity. One had to be careful though as you could slam the "S" meter if you turned off the AGC when a strong neighbor keyed up. It was also a good looking radio to boot, reflecting the greater attention paid to ergonomics and style which found its way into the 1970's era radios. At least 4 people; Channel Master, Blue Cougar, Pheasant and Red Dog ran 640's in our area. I became the proud owner of one in the early part of 2006, to add to my growing retro collection. It holds it's own against the newer radios, although I did find the squelch action lacking in hysterisis, and it would close with an objectionable "thunk". Other than that small objection, it is a good performer, the "S" meter is fairly linear, and the transmit audio has a pleasing fidelity. Power output was around 5 watts on AM, and around 15 on SSB. Better audio performance on AM was gained when the power was backed down to around 3 watts. On a scale of 1 to 10, I'd rate the Royce at a 6.

Copied from CB Museum site...did not find much else...but do remember replacing crystals and finals in a few back in the late 70's
All the Best
BJ
 
thanks for the info but this is a 40 channel one wonder if that makes it worth any more
 
Can't always judge a book by it's cover. Sure looks good though :) I thought the same thing about a Galaxy Melika , I got rid of that thing within a week of getting it. (I guess IM just not a fan of Galaxy period !)
 
If it hasnt been messed with inside leave it alone!! Screw with it inside and you will have JUNK!! YOUR JUNK !! SOUND FORMILIER!!
 
if this radio works, it is a cool AM base station that is fun to look at when you are talking on the radio.

do not modify it.

if you look inside you will most likely see vertical "cards" on a main mother board, kind of like the way they do computers now.

any attempt to clip a limiter will make it sound like crap.

just use a D104, or other good power mic on it and use it for what it is.

not really worth much on the used market, might get 40-60 for it on ebay on a good week.

i would keep it and leave it alone if it were mine.
later,
LC
 

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