[Milsurplus] [RCA] SRR-13 Article

[Richard Solomon]

I had an R-808 I picked up at a
local Flea. I was not impressed.

It was as microphonic as a drum !

Never got to the alignment issue.
I sold it to a local USMC Vet for
$20 so he could remember the
"good old days" !!

73, Dick, W1KSZ

On Thu, Aug 4, 2016 at 5:34 PM, <antqradio at sbcglobal.net> wrote:

> Not  to pick a fight but I feel that you are splitting hairs, care to
> parse the difference between uncommon and rare?
> Jim
>
>
> ------------------------------
> *From:* Hubert Miller <kargo_cult at msn.com>
> *To:* Milsurplus at mailman.qth.net
> *Sent:* Thursday, August 4, 2016 11:54 AM
> *Subject:* Re: [Milsurplus] [RCA] SRR-13 Article
>
> I think the word is “uncommon”, not “rare”.  The R-808 has only LC
> selectivity at IF. I think the narrowest is 3 kHz at -6db, something like
> that.
> On CW narrow there’s also an audio filter, like with the SRR. I consider
> this receiver as 2nd place to the SRR because of 1- the 16-32 single swath
> high band, and 2- the IF alignment requiring removal of the IF section. I
> wonder if people who bought this receiver, knew that when they bought
> it.
> -H
>
> *From:* Milsurplus [mailto:milsurplus-bounces at mailman.qth.net] *On Behalf
> Of *antqradio at sbcglobal.net
> *Sent:* Thursday, August 4, 2016 9:23 AM
> *To:* Milsurplus at mailman.qth.net; RCA Equipment <rca at mailman.qth.net>
> *Subject:* Re: [Milsurplus] [RCA] SRR-13 Article
>
> Hue
> I haven't seen a response to your query.  Perhaps both are rare enough
> that no one has the operating experience to compare them?
>
> To start the ball rolling specification wise, the R-808 is single
> conversion below 8 mc, has a 2nd crystal controlled above 8 mc.  Second IF
> is 455 kc, not sure if there are selectable IF bandpass filters, will have
> to check the manual to be sure.
>
> SRR-13 is double conversion on all bands with three L/C pass band filters
> at the beginning of the 200 kc second IF.  First IF is 1600 kc.  The
> SRR-13A has the two narrow 200 kc filters replaced by RCA designed
> mechanical filters but the broad filter remains L/C.  Filter bandwidths are
> approximately, 1, 3 and 8 kc centered on 200 kc.  There is also an audio
> filter that has a pass band of 825 to 1175 cycles which is switched in for
> the A1 sharp passband position.
>
> Jim
>
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