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-   -   Battery vibrator? (http://www.videokarma.org/showthread.php?t=185151)

Hemingray 09-23-2008 06:23 PM

Battery vibrator?
 
Recently obtained a rather old 6v tube car radio at an antique store (uses a large metal vibrator can). I am not getting ANY high voltage for some reason. The vibrator tube is buzzing, but there is no HV at the 6X4 rectifier tube. Any ideas (or where I can find a replacement vibrator, (Mallory type 659 6V vibrator)

mhardy6647 09-23-2008 06:37 PM

www.tubesandmore.com sell solid state vibrator replacements.
Don't tell your wife.

electroking 09-23-2008 08:11 PM

The transformer could be open. Check the windings.

Hemingray 09-23-2008 08:51 PM

Okay, gave this another try, and it seems that this particular radio has a POSITIVE ground, (was trying to run it as a negative ground). The original vibrator is functional, as is the rest of the radio. (Pics will come later here.) Pulls in clearchannels with great audio.

Tubes are fairly common too, (6BE6, 6BA6, 6AV6, 6X4, 6AQ5)

240sx4u 09-23-2008 10:08 PM

Now how could I not check this thread out.

toxcrusadr 09-24-2008 09:07 AM

You and me both!

Change all the caps in that beast, and make sure you get the HV ceramic disk cap across the vibrator. Its job is to round out the square wave into something more sine-like. Probably 1000V or 1600V.

Really cool when you can get one of these going. I've only done one, but it was for a '52 Studebaker that belongs to a good friend of mine who does car shows with his Sea Foam Green Commander V8.

Hemingray 09-24-2008 11:40 AM

The pics
 
Here's pics of this radio. I forgot to mention this was found in West Plains, MO.

http://www.audiokarma.org/forums/att...1&d=1222274373
http://www.audiokarma.org/forums/att...1&d=1222274373

toxcrusadr 09-24-2008 01:18 PM

Cool! It's pretty small. I assume all mini tubes?

gladiator335 09-24-2008 01:40 PM

By the thread title I thought it would'n be about radio...

markdi 09-24-2008 02:18 PM

This thread needs some explicit nude photos - of the radio.

Hemingray 09-24-2008 05:51 PM

ah yes, this I will need to provide too. (I need to recap it anyways)

Hemingray 09-24-2008 05:52 PM

Quote:

Originally Posted by toxcrusadr (Post 2141505)
Cool! It's pretty small. I assume all mini tubes?

Yes. All 7 pin miniatures (6BE6, 6BA6, 6AV6, 6AQ5, 6X4) (have a 6CS6 coming to give it a bit of a reception boost in this area)

Sandy G 09-24-2008 05:57 PM

Lots of times, if hooked up to a good antenna, those old car radios were/are EXCELLENT DX machines...

electroking 09-24-2008 06:05 PM

Quote:

Originally Posted by Sandy G (Post 2141994)
Lots of times, if hooked up to a good antenna, those old car radios were/are EXCELLENT DX machines...

Unfortunately, this one does not seem to have an RF stage, but with
the right conditions, you can still get a lot of fun. Just out of curiosity,
where did you get the idea of replacing the 6BE6 with a 6CS6?

Hemingray 09-24-2008 06:40 PM

The site appears to be down, but http://www.dogstar.dantimax.dk/tubestuf/amtx-1.htm described a single tube AM transmitter using a 6BE6 or a 6CS6.


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