HT-37

Al Parker anchor at EC.RR.COM
Sun Feb 10 13:16:51 EST 2008


hi Chris,
    John, W4AWM, mentioned it, and I'd strongly recommend that you do it 
before you put any power on the rig -- change out the HV rectifiers to SS, 
and get the 5v windings removed from the sockets.  (don't ask how I know 
why)  And just put some heat under the rig for a day or 3 to warm it and 
drive moisture out.  a 75 of 100w light bulb, with a tent of cardboard over 
it should do it.  Hallicrafters HV transformers are a bit fragile in that 
respect.
    You can see one of my HT-37 jobs on my webiste, and some details on the 
rectifier change down at the bottom of the page.
  http://www.boatanchors.org/HT37.htm
    There's also an easy PTT mod you can do, info there also.
    Electrically the only big difference between the HT-37 & HT-32 is the 
sideband generator, the rest of the circuit is essentially the same.  The 
HT-32 is mechanically more robust.  You'll have a good time with it on the 
air, nice rig, great audio.
73,
Al, W8UT
New Bern, NC
www.boatanchors.org
www.hammarlund.info

----- Original Message ----- 
From: "Chris" <boatanchors at PEOPLEPC.COM>
To: <BOATANCHORS at LISTSERV.TEMPE.GOV>
Sent: Sunday, February 10, 2008 12:21 PM
Subject: Re: [BOATANCHORS-TEMPE] HT-37


>I want to thank each and everyone of you for the advice and tips on the 
>HT-37, The reason I asked this question about the 37 was I have a chance to 
>pick one up but its been setting resting for over 20 years and I have'nt 
>had and experience with the HT-37 so I figured I had better get some input 
>on it before I dove in Head first...Thanks to everyone here on the 
>Boatanchor Group...73 Chris W7ULA 

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