[Hammarlund] Recapping an SP-600 JX-6

[Bob Young]

Thanks Al, I knew you'd be the first to answer, haha! I got the 1600V's because they were a pretty good deal. I hope they're not too big to fit anywhere in there.

Bob Young
KB1OKL

> From: anchor at ec.rr.com
> To: youngbob53 at msn.com; hammarlund at mailman.qth.net
> Subject: Re: [Hammarlund] Recapping an SP-600 JX-6
> Date: Fri, 30 May 2008 20:47:40 -0400
>
> Hi Bob,
> Sounds like you're in great shape. Hammarlund used disc ceramics for
> all the bypass & the coupling caps after about ser. no. 17,500. Either they
> realised the paper BBOD's were failing, or they ran out of them, or ???.
> Anyway, mylars would be nice, but disc ceramics are fine for coupling. Some
> folks like to use Orange Drops, which are polyester or polyether, depending
> on type no., but they won't make any difference as bypasses, and probably
> none as coupling. I have used OD's in the rf deck for coupling sometimes,
> paticularly if I'm doing it for someone else who has a preference.
> The 1600v rating is overkill, but surely does no harm, they're probably
> a bit larger than 1000v, and actually 600v would suffice as the B+ is less
> than 400v in the SP-600.
> I'm sure the problems you noted will disappear once you have finished
> the job. Ray Vasiek's article is a great tutorial to follow. If you have
> any questions along teh way, drop me a line.
> 73,
> Al, W8UT
> New Bern, NC
> www.boatanchors.org
> www.hammarlund.info
>
> "there is nothing -absolutely nothing- half as much worth doing as simply
> messing about in boats."
>
> ----- Original Message -----
> From: "Bob Young" 
> To: 
> Sent: Friday, May 30, 2008 7:42 PM
> Subject: [Hammarlund] Recapping an SP-600 JX-6
>
> I'm all set to begin to recap the JX-6 I bought last week (when my caps
> arrive) and will be following the directions of the article Ray Visek W2EC
> from The hammarlund Historian wrote, he mentions using 3 Mylar film caps for
> coupling along with ceramic discs for the rest. The ceramic caps I bought
> are 1600V. Are the mylar film caps necessary for bypass caps or can I use
> the ceramics or is there another type that would work?
> I had the radio on for several hours and all bands worked fairly well
> although the RF control would not shut off the audio when it was on 0
> although the SS meter went down to 0. The SS meter only went to +6, a little
> less than half way on strong local signals. The dial was right on everywhere
> though. I have done no further checking as of yet. I really don't want to
> turn it on again as it is full of Black Beauties and some are cracked.
>
> Bob Young
> KB1OKL
>
>

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