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The Headcase Stax thread


thrice

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I'm considering getting some custom Stax-style jacks made and thinking that the most reliable way would be to get the measurements from an actual Stax jack. There are some cheap 5-pin electret amps out there that I wouldn't mind paying to possibly destroy, so I'm wondering: is that socket exactly the same as the Pro 5-pin? 

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3 hours ago, MLA said:

KG posted this long ago in another thread:

That's useful, thank you. I have gone through a few threads found here and around about making the jack, but the part that will probably be most difficult and requiring measurement is machining the female pins. I suppose it could be cheaper to inversely determine things by using a plug as the model. 

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Someone else on the forum (can't remember who just now unfortunately) recommended these for female pins:

https://www.ebay.co.uk/itm/10pc-CMC-8P-Tube-Socket-Gold-plated-Pin-Hex-Snap-Hole-2x10mm-6V6-6L6-5AR4-6SN7-/130342224494?hash=item1e5900826e

I've used them on multiple builds. They are tight so need a little pre-bending out before you put them in the connector, but work fine for me.

Edited by MLA
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On 9/25/2017 at 2:01 PM, johnwmclean said:

Thanks guys that’s a relief, my serial is SZ2 - 2301, the box is minty fresh and headphones are immaculate, they sound darn good too... :D 

I too was worried.  Just bought a brand new pair of SR-007A and was surprised to see the SZ2 serial number.  But they look brand new, still in the box with plastic sealed around the box.  BTW, johnwmclean, I am 230x, so ours were probably born on the same week!!  Or, given the random serial numbers, years apart!?!

Edited by Blueman2
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7 hours ago, spritzer said:

It's impossible to tell what Stax are up to, even whether they have messed with the design yet again.  I mean they were perfect or just about but since when has that stopped anybody from messing with a design?  <_<

I plan to get used to mine for about 2 weeks, then will do port and spring mod as necessary to judge the difference.  Will report back with pictures....

Edited by Blueman2
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On ‎15‎/‎12‎/‎2017 at 3:27 AM, Blueman2 said:

I too was worried.  Just bought a brand new pair of SR-007A and was surprised to see the SZ2 serial number.  But they look brand new, still in the box with plastic sealed around the box.  BTW, johnwmclean, I am 230x, so ours were probably born on the same week!!  Or, given the random serial numbers, years apart!?!

I want to buy some SR-007A but it looks like a lottery.

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1 hour ago, jose said:

I want to buy some SR-007A but it looks like a lottery.

To be clear, the SERIAL NUMBER is a lottery, but the model is the same as the current builds.  Only difference is color (black for export, silver for japan).  

There are a lot of articles by otherwise knowledgeable people saying SZ2 and SZ3 indicate different models.  This appears to be wrong.  

Edited by Blueman2
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Yeah, they might even be doing this just to fuck with us.  On top of this...the SR-007A is now available in black color...  :ph34r: 

I might pickup a new set in the new year to try out the current crop just to make sure they haven't changed them yet again.  That and the new SR-009 project will be thrown into full force.  Basically...I'm going to make new diaphragms for the 009's to change how they sound i.e. how they should have sounded in the first fucking place. 

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I'm getting a slight buzzing sound coming from the left ear speaker of my L-700. I got them hooked up to a Woo-Wee which is connected to a Teac-Ai-100. The buzzing stops when I touch any metal object so I'm assuming it's a grounding issue. I tried using a HUM-X on the woo wee and teac and nothing changed. Any ideas on how to fix it? Or are my Earspeakers defective?

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