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Welcome

Welcome to AX84® the base camp for tube (valve) electronics hobbyists.

AX84 exists to provide:

1) A great environment to learn about music-related electronics in general. AX84 is a place where those with experience are interested in helping diligent beginners who are willing to do their homework.

2) A place where those with more experience can field their ideas to peers and get useful feedback.

3) An environment that respects the past, but is not enslaved by it. INNOVATION IS GOOD (and it didn't die in the 1950s.) There are new things under the sun every day. Move the ball forward!

Our HUGE discussion area is under 'Discussion Forum' to your left.

We are hard at work improving the site- check back often!

Recent Forum Threads
"Funny"
Posted By JeffW on 02/04/2012
[link]

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"SEL DONE layout check and pics please"
Posted By automap68 on 02/04/2012
well after its of work my SEL is done

I was hoping you guys could give it a quick look to see if there are any obvious issues
Im about to start paul rubes start procedure

here are some pics

...

Discuss this entry
"Swapmeet at Houston-Greenspoint Marriot on Friday and Saturday ("
Posted By Henry Ramsey on 02/04/2012
In case anyone else from the Houston area is interested there's going to be a swapmeet held by the Houston Vintage Radio Association next Friday 10a-4pm and Saturday 7a-11am at the Houston Marriot-Nor...

Discuss this entry
"Octal Fatness D*mble- Wow..."
Posted By Doug H on 02/04/2012
Years ago, David Jones posted that he modded his Octal Fatness 2nd and 3rd stage into a D*mble ODS overdrive circuit. You tweak the 2nd stage, add the interstage divider, and convert the buffer into a...

Discuss this entry
"References in RDH4"
Posted By Henry Ramsey on 02/04/2012
Anyone know what magazine or article the reference in RDH4 chapter 15
"Cutler,S. "Audio frequency compensating circuits" Elec. 15.9 (Sept 1942) 63" actually refers to?

I assume that "Elec. 15.9" i...

Discuss this entry
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Updates: Sat, Feb 04th, 2012 @ 13:54:26
Updates to pages about

'november'

have been completed.
Site News

2011-10-10: Some good discussions about LTSpice in the forums again, as well as suggestions on what all to do to a P1-eXtreme.

2011-10-10: What all can you do with a P1-extreme? check the forum

2011-10-7: Don't forget to like us on Facebook!

2011-08-11: Posted some Single-Ended Lead clips in the Classic Amp Projects->SEL section. Hundreds built but now we've got clips. Check out the archived projects section for more clips.

2010-10-22: Be sure to check out our discussion forum using the link on the left..

2009-07-01: The Treasure Fleet is on the way to Rio De La Hacha with a fortune in gold!

2009-04-32:
We're looking for media clips of recent builds... please stop by the forum and respond to the thread.

2008-10-4: Archived Projects section is functional again.

2008-9-18: RSS Feeds for the forum have been up for a while, but not advertised...
* Active Threads
* New Threads
* Recent Posts

2008-6-26: Want to participate in our discussion forums? You are welcome to read and lurk as you like. If you think you'd like to post with regularity, please sign up for an account.

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