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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
"Small combo / keep from sounding boxy/tinny"
Posted By DutchMarco on 12/05/2016
All,

I'm planinig a Firefly combo. with a 8" speaker, and a small cab (to make it appropriate to the small power output of the amp. I fear that it may result in a tinny / boxy sounding amp. Any sug...

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"Chassis source"
Posted By Charlie Cyr on 12/04/2016
I've been looking for an affordable chassis source since Dirty Dawg shut down. This guy is offering a deal till the end of the year and has lots of different options available. I've ordered 2 of the...

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"Screen Voltage"
Posted By Denny Allen on 12/03/2016
I have a question about screen grid voltage. The spec. sheets on most beam power tubes (6L6 6V6) say that the screens may be operated at the same voltage as the plates. Others like the 807 and 1625...

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"Vactrol shunt mute circuit"
Posted By achben on 12/02/2016
I am putting this in a shared component 2 channel amp to rid the pops when changing bypass capacitors. I thought someone might be able to use this. This uses a relay for timing and twin rising edge de...

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"Tung Sol 6L6WGB"
Posted By tdmur on 12/01/2016
I have a couple of Tung Sol 6L6WGB that I would like to check out.The tube is stamped on the bottle as a 5881 but has JAN 6L6WGB stamped on the base.The datasheet states that max. screen voltage is 30...

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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...
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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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