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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
"worst windows bug ever?"
Posted By Kursad K on 04/27/2016
This is for those who has to use Windows for one reason or another.

I guess this may help somebody because it wasted a lot of time of mine.

If anybody has run into this bug : [link]

Discuss this entry
"Wampler: "All amps sound the same""
Posted By Darren Porter on 04/27/2016
Hmmm...

[link]
[link]

In my mind I think I see a few flaws in his "proof" but I'd like to hear your thoughts on this to...

Discuss this entry
"Grounding with cap cans."
Posted By Alva Goldbook on 04/27/2016
So, I've been a bad boy, and instead of using individual filter caps on this latest build I opted to use two cap cans instead. My reasoning was one of practicality, it's an 18w PP amp in a fairly smal...

Discuss this entry
"heater wiring: center tap v non CT"
Posted By centervolume on 04/27/2016
Greetings all-

I am restoring a late 50s fender super 5F4 amp. The schematic I have shows no center tap on the heater winding, so one leg goes to the tube heaters and the other goes to the chassis....

Discuss this entry
"Traynor Bassmate for sale"
Posted By mike7 on 04/26/2016
Traynor Bassmate for sale a little noisy when you first fire her up but she settles down after a minute or two. Has newer tubes not much play time on them. All the mustards are there.
Message me and ...

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Updates: Fri, Apr 29th, 2016 @ 05:45:35
Updates to pages about

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Site News

2014-10-21: Be sure to check out our discussion forum using the link on the left..


2014-10-20: The Treasure Fleet is on the way to Rio De La Hacha with a fortune in gold!


20014-10-20:
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
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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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