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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
"AX84 Core Cabinet questions"
Posted By JoshW on 02/06/2016
I'm in the process of building two AX84 Core 1x12 speaker cabinets. Now that I'm almost done, I'm getting really curious and excited about some experimentation.

I plan to try out closed/ported/ope...

Discuss this entry
"Anyone using tax software other than TT"
Posted By stringbend on 02/06/2016
... or perhaps simply using free fillable forms from the IRS?

I'm thinking of switching away from TurboTax to save some money, but then again time is money too. Not sure if the learning curve of a...

Discuss this entry
"Any plumbers here?"
Posted By stringbend on 02/06/2016
Gas hot water heater issue...

The first person to use the shower in the morning gets mediocre service - just barely warm enough. But 20-25 min. later the next person has plenty. So I'm guessing t...

Discuss this entry
"1M resistor placement"
Posted By arjepsen on 02/06/2016
Hey.
I have a question about the best place for a 1M resistor in a layout.
I'm looking at a schematic that has a 1m resistor to ground, from the wiper of the volumepot, which is connected to the nex...

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"PT questions"
Posted By Cooper 24 on 02/06/2016
Hi guys, need your help for my HO build. I sourced a PT giving 190v @160mA secondaries without center tap and 6.3v @3A with CT.
My question: Where do I connect the CT. I was thinking about the negati...

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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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