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I recently went through my SR-500 Tornado to clean and lubricate gearing in an attempt to make the tuning smoother. ?I used alcohol on a paper towel to wipe the two "wheels" that go in-between the

Believe it or not, the advertised weight of the R390A (85lb) is one pound less than the HT-32 (86lb). Tom W3TA Sent: Friday, May 2, 2025 6:15 PM To: [email protected] Subject: Re:

Greetings to George and the Group: The "lip" on the edge of the panel presents some additional difficulty, but is not insurmountable. Here's how I changed the volume pot on my Hammarlund HQ-129 (from

The National 183d was heavy for it's size also! ________________________________ Sent: Friday, May 2, 2025 6:15 PM To: [email protected] <[email protected]> Subject: Re:

Try a Hammarlund SP-400 and PS That's heavy as well! ________________________________ Sent: Friday, May 2, 2025 6:15 PM To: [email protected] <[email protected]> Subject: Re:

We'll be watching, Don! 73 John K5MO <don@...> wrote:

Does anyone know if the HT-32B SSB Generator subchassis can be removed without removing the front panel?? On my restoration I want to replace, at least, C7 a dual 10uF 350V Electrolytic,? Sadly the

You should try working on an R-390a!k6lrSent from my Galaxy

I have seen center post to ground as high as 150 ohms. It only takes 3 to 5 ohms to start causing problems with speed and weight. It has the biggest effect on the timing capacitors. Walt Cates, WD0GOF

Thats a thought Jim.? I don't think I could even get some kind of spray into it.? See an earlier post where I addressed the placement of the pot.? Its well hidden! Keep thinking for me of ideas!?

There is NO nut at the front panel!? There is the front panel, then another front panel behind the real front panel.? There is perhaps 3/8 in. between the two.? The nut on the pot is on the second

Very good, Walt.? Glad to see you point out the problem with the tube socket grounds.? Years ago my HA-1 became erratic - code elements missing or the wrong length.? It took me many days before I

oh yes well fit youth. brings back memories of the early 60's as a 16 yr old ham lugging my WRL 350A onto the bench and then back to the op desk. hihi..The L4B power supplies keep getting heavier.

George, what are you looking for? A way to remove and replace the potentiometer without removing the front panel? It might be possible, I did it once years ago. Is there a nut between the chassis and

GeorgeI would try penetrating oil spray from the dollar store.? It is usually found in the automotive department in a black and yellow spray can.? Much cheaper then what is usually suggested.? I

Well George, thanks, I just made another ‘assumption”. +its all going to POT. Sent: Friday, May 2, 2025 1:59 PM To: [email protected] Subject: Re: [HallicraftersRadios] Audio Gain

Don:? You can assume anything you would like to!

I too will die with mine too!!!!? Have the SX-115 my Dad gave me back in the '60's!? The HT-32B he gave me gave up years ago, and I didnt have the money to replace the transformer then. Now I have a

It is all "scratchy" and some breaking up of the audio when it is used.? I see no easy way to replace the think.? I just dont really feel like removing all the knobs, and the front panel to replace

Good stuff Walt - as usual. Thanks for doing this! TomW3TA