[MRCA] Recrystalling a TBX-8

[Garret Scott]

Hi Al, 

Yes, those crystals are really scary. They would seem more appropriate in
Frankenstein's lab than a portable radio. 

Thanks for the input.  That's exactly what I was thinking about.  I don't
want to destroy perfectly good (and soon to be rare) 80m ham band crystals.

Garret
W8BUG



-----Original Message-----
From: MRCA [mailto:mrca-bounces at mailman.qth.net] On Behalf Of Al Klase
Sent: Sunday, March 12, 2017 8:13 PM
To: Military Radio Collectors Association
Subject: Re: [MRCA] Recrystalling a TBX-8

Hello Garret,

I played with one of those years ago, and was kind of freaked out by the
crystals, they're big, and appear to be heat sinked to the chassis. 
Fearing that it might be the kind of oscillator that breaks crystals,  I
installed a # 49 pilot lamp ( 2 volts, 60 mA) in series with the crystal,
and used FT-243's without a problem.

YMMV,
Al

On 3/12/2017 5:52 PM, Garret Scott wrote:
> With all this crystal talk, I've been prompted to think about crystals 
> for the TBX-8.
>
> Any one experienced with this or with those funky giant round 
> CG-40024-A crystal holders which they use?
>
> Just wondering if a typical fundamental crystal on 3885 Kcs will go in 
> there and work.
>
> Thanks,
> Garret
> W8BUG
> scottgs at bellsouth.net
>
>
>
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--
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/

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