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Royce electronics

got a brand new at the time 604 out of a wrecked mustang i bought for the engine.
the seat was pushed into the dash hiding it.i doubt the yard would have missed it otherwise.nice windfall for a 14 year old.it survived being run on zipcord dipoles that while were cut to the right length were never checked with a bridge,being run on a junk car battery and trickle charger that mostly cleaned up the hum,and being run on a moped with a 1/4w steel whip and nicad packs robbed from those otherwise worthless black&decker grass clippers.they were charged right off the lighting mag with some radio shack diodes from a $.59 assortment.it lived in spite of all i subjected it to.
so it had to be atleast a half decent rig.
 
I currently have 624 (23ch) and 625 (40ch) AM-only base units, a 641 and 642 base and a pair of 639s - along with a few other accessories such as the desk mic.

One thing to keep in mind about these rigs: They're single-conversion and the receivers are subject to image interference from SWBC and ute operations in the 7.3-7.6MHz area, as the math happens to work out. My first Royce base - a 641 - readily copied a strong RTTY station on CH32; when I had the 642 inline a year or so back and 40M was percolating in the afternoon I found another one a little lower in the channel range...along with a couple SWBC images.

A T connector inserted into the coax line and equipped with a tunable series trap on one of its ports will fix the problem if you encounter it. So will the use of a good coaxial bandpass filter.
 
My very first CB was a Royce 611! Was found in the trash and looked as if it was in a fire.... but it worked! They were good rigs but not great! and I think there were some shining examples! :w00t:
I still have it but I do not think it is working any more and more of a keepsake....

mechanic
 
That 23 channel Royce 1-640 Base radio had a MSRP of $449.95 dollars back in 1975.
It was the Top of the line Royce Base radio, that was a lot of cash back in the day.


73
jeff
 
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I have a Royce 639 in my truck as my everyday radio. Bought it off EBay without a power cord. Love it. I am currently looking for a 642 base for the house.

Sent from my SAMSUNG-SGH-I997 using Tapatalk 2
 
You cant wire a power mic to a Royce....

Because....??
What I is that I don't know enough about Royce's other than I knew someone who had one with the modulation wide open. It keyed 2 watts and swing 10. It was so loud that I could hardly make out what he was saying. It was understandable twenty miles away


http://www.bills2way.com/expo.html
 

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One thing to keep in mind about these rigs: They're single-conversion and the receivers are subject to image interference from SWBC and ute operations in the 7.3-7.6MHz area, as the math happens to work out. My first Royce base - a 641 - readily copied a strong RTTY station on CH32; when I had the 642 inline a year or so back and 40M was percolating in the afternoon I found another one a little lower in the channel range...along with a couple SWBC images.

Now that's interesting....a Royce picking up stuff like this....I guess Royce radios must have been sold new at K Mart or maybe Zayre.
 
51z%2BOEybfhL.jpg


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