SOLVED - it was actually my *DAC* that, coincidentally, went bad.  Complete false alarm.  Doh.

  My last post crossed yours!   The amp does have Pro & Normal outputs.  I am using the Pro, since all new Stax phones are pro (580V).     It is not a warmup issue.  It doesn't go away.  (Even if it did, this wouldn't be normal.)

Don't mean to be a PiTA but I would really appreciate any info here.  Does this sound like a way that ESL amps typically fail?

I've got a new pair of 307s and a just-bought SRM-T1W driver.  Music comes through heavily distorted, with a strange, warbling tone fading in & out.   My problem is trying to determine if this is the earspeakers or the driver.  I suspect the driver, both because the phones are brand-new and...

Thanks.  They're really not any thinner, eh?  That is surprising.   The Lambdas sound great but I would say the balance is a bit on the light side (esp. in comparison to the restored Quad 57s I use at home).  So, if the newer ones are a bit weightier I'd say that's a plus.    

Anybody?

I am the new owner of a Stax SRM-T1 and Lambda Pro earspeakers.  The sound of this 20 year-old system is quite exemplary.  I have only one issue: the headphones are extremely large, especially from the front.  I normally wouldn't care, but I work on a trading floor and these things produce...

Does anyone know if it's possible for a DIY Hi Fi Chazz 2 OTL headphone amp to drive Stax electrostatic headphones, with a suitable adapter?

I've been looking for a Burson unit (used) for awhile now with no dice.  It sounds to me like I would like prefer the Burson to the others.  (Of course, no way to hear any of them.)            

Thanks for the replies.  After a bit of research I'm attracted to the Burson unit.  Perhaps I could stretch to $1250.

My current setup is AT 900LTD cans, MHDT USB DAC, DiyHiFi Chazz Mk II OTL headphone amp.   I pretty much listen ONLY to 50s 60s jazz.  What's most important to me is proper timbre, fleshed-out tone & body, then dynamics, then nuance & detail.   I am interested in replacing the MHDT...

Thanks, O.   I actually didn't mention that I also owned a Woo 3, almost 5 years ago.  I liked it quite a bit (and don't see why someone would want a transformer output when it's not necessary for impedance matching).   So.. just cause I've never heard one and it looks like a great...

Have the Bottlehead now, which I built a few years ago.  Very nice headphone amp.  Overkill, though, in terms of power (2W).  Am considering trying the Chazz and/or the Woo 3.  Anyone heard 2 or even 3 of these?   My cans are AT 900 Ltd and AKG 701s.   I am probably going to order the...

Well, I bought a pair of AKG 701s.  $238 shipped to me, NIB.   Will put them against the 900 Ltds.   Since I listen mostly to jazz they sound like great cans.   It seems from this level the step to the next level - $1000+ - is pretty big.  Beyer T1s and Senn 800s are the big players...

Thanks for helping the newb.  Since electrostatic speakers don't quite work like this (and of course work just fine with SE amps; a signal is a signal) it was slightly perplexing.  But my guess was in the ballpark.