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The Stax Thread III - Page 116

post #1726 of 2943
Quote:
Originally Posted by okw3188 View Post
 

Still waiting for someone to verify if they have the same finding.

 

I can't verify that this particular amp would do that on those caps, but I can verify that it is perfectly normal for the cans of electrolytic capacitors to be at a voltage other than ground. One situation where this would happen is if caps are put in series which is quite likely in an electrostatic headphone amp.

post #1727 of 2943
Quote:
Originally Posted by martyn73 View Post
 

Hi,

 

Thanks for the reply. Please can you explain what is the noticeable 'etch'? Would you say the SR-307 is overall smoother than the SR-202?

 

The Koss ESP-950s look interesting but I can't find a dealer in the UK. I had a pair of very cheap Koss headphones years ago which gradually disintegrated until finally ending up being recycled.

 

Martyn

 

I don't really know how best to describe it except via words typically used to describe physical things: "dry" ... "hard" ... "etched" ... and it just occurs in certain portions of the midrange (again, I lack the terms here) ... especially on louder areas of the midrange (think female vocals, mid-key piano strikes, etc.) ...

 

Again, hard to explain.

 

As I've read about, I've come to see that the Lambdas in general, all have a bit of this (stats in general too though some, supposedly are immune) ... but in my experience, the 307's (and probably that whole series) suffer from it markedly more than the 303's and 404's ... and I've found the 404 Limited Editions to have the least of any Lambda I've heard (though I've not heard that many).

 

Similarly, the Koss 950 cans are devoid of this mid range glare/hardness/etch. Really, just insofar as pure musical enjoyment? Including an appropriate amount of resolution, detail and sound stage? I'd say the Koss 950's are the best "all around" headphones I've ever owned (from Jazz to Metal to Rock to Chamber to Electronic to Every genre, really). And I've heard HD800's, all the Grados, all the other Senns, tons of AKG's, quite a few Stax, Beyer T1's, all the LCD variants (which I personally find hugely over rated) ... all the Shures ... 

 

Really, the Koss cans are quite a find. I've had mine up as an interest check for a bit since getting the 404LE's ... since the latter do just about everything just as good ... but just can't bring myself to sell them. 

post #1728 of 2943
Quote:
Originally Posted by dailydoseofdaly View Post

Got a package in the mail today! my friends and family don't really get why I'd get excited about a headphone but I figure you guys would get it

 

congrats!

i look forward to seeing you update your dog's picture so that it is wearing the latest and greatest phones (i.e. 009s)!

post #1729 of 2943
Haha yeah I've had the same avatar pic since I joined, I'm probably due for an update
post #1730 of 2943

Quick technical question for the group - anyone see a problem with buying a second-hand pair of Stax, which has been in storage for several years? Storage would be a good thing for dynamic headphones but is there anything I should be on the lookout for with stats? 

post #1731 of 2943
Quote:
Originally Posted by project86 View Post
 

Quick technical question for the group - anyone see a problem with buying a second-hand pair of Stax, which has been in storage for several years? Storage would be a good thing for dynamic headphones but is there anything I should be on the lookout for with stats? 

 

Storage isn't necessarily good for stats, as this could lead to the dreaded channel imbalance (especially if they were left charged before putting into storage - the good thing to do is touch the pins of the connector after unplugging to discharge it quickly). There's nothing you can really be on the lookout for short of testing them and seeing if they are channel balanced.

post #1732 of 2943
Quote:
Originally Posted by dude_500 View Post
 

 

Storage isn't necessarily good for stats, as this could lead to the dreaded channel imbalance (especially if they were left charged before putting into storage - the good thing to do is touch the pins of the connector after unplugging to discharge it quickly). There's nothing you can really be on the lookout for short of testing them and seeing if they are channel balanced.

 

Thanks.

 

The Stax in question is an SR-4070 so A) it's rare and I don't want to pass it over without a good reason, and B) it isn't some 30 year old model.

 

The seller tested and found no channel imbalance, and the physical condition is quite good... so is there anything else I should worry about?

post #1733 of 2943
Quote:
Originally Posted by project86 View Post
 

Quick technical question for the group - anyone see a problem with buying a second-hand pair of Stax, which has been in storage for several years? Storage would be a good thing for dynamic headphones but is there anything I should be on the lookout for with stats? 


I had my LNB and srd7/SB stored for more than 20 years and had no issues when I got them back out, just matters how they are stored as was said above.  Is definitely worth looking into the set you are talking about.

post #1734 of 2943

Storage is not a problem with 'stats. There will be a problem if the cans weren't packed well and humidity is rampant at the location.

post #1735 of 2943

Seller wrapped them in a towel, then put them in the flight case, and stored that in a closet at his home in Southern California. So I'm thinking it should not be an issue. Thanks for the help everyone.

post #1736 of 2943

As long as the towel wasn't wet, damp, or releasing fibers/dust I'd grab them. SR-4070s are rare enough as it is.

post #1737 of 2943
Yeah. I'd grab them.
post #1738 of 2943

I remember you asking me through PM as to where is the best place to try and get the 4070's. Glad you're finally making the move, they are the rarest Stax e-stat around (more so then the Omega). When they do pop up the asking price for them sometimes is much much more then a brand new O2 MK2 itself.

post #1739 of 2943
Quote:
Originally Posted by DefQon View Post
 

I remember you asking me through PM as to where is the best place to try and get the 4070's. Glad you're finally making the move, they are the rarest Stax e-stat around (more so then the Omega). When they do pop up the asking price for them sometimes is much much more then a brand new O2 MK2 itself.

 

 

Yep, pretty excited to finally snag one. Cost is a bit more than I paid for my (used) O2 MK2, but less than a new one.

post #1740 of 2943

What amplification and source setup will you be running the 4070's through? You've got quite a large collection of DAC's already so I don't a inadequate source being the problem for you. hehe

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