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The Stax thread (New) - Page 878

post #13156 of 18428
Quote:
Originally Posted by Michgelsen View Post
...I recall a post by Kevin Gilmore saying that the 717 and 727 are quite similar, circuit wise...
Can you remember which forum/thread?

Thanks!
post #13157 of 18428
Quote:
Originally Posted by Duncan_McCloud View Post
That's count for 4070 too ?
Thanks
IMO The GES drives the 4070's very, very well. Thus the reason I am reaching much more to them than the 007's.
I must say that Im in love with the sound of these monitors that stax calls 4070.
post #13158 of 18428
Quote:
Originally Posted by GuyDebord View Post
IMO The GES drives the 4070's very, very well. Thus the reason I am reaching much more to them than the 007's.
I must say that Im in love with the sound of these monitors that stax calls 4070.
Oh thank you! I have't done any comparison with the O2, but i think that the 4070 are amazing even with a transformer! I am just waiting for a EU offer about GES\KGSS\717\727\007t in the right time for my wallet. But i would likea an amplifier which will be able to drive in a decent way an O2 (Let's say 8/10 with the 4070 but at least 7/10 with the O2)
post #13159 of 18428
Quote:
Originally Posted by graben View Post
Does anyone listen to their Stax and speakers at the same time? I got an xlr cable so I connected my SRM-T1S to the Omega II Mk1 and the rca to my speakers. It sounded very nice the speakers added a huge soundstage and I could feel the bass as well as hear it.
I have done that several times with my Quad monitors and Lambdas. It was intimate, spacious sounding, and overall very enjoyable. One of the main reasons I never want to get rid of my Lambda, even with the O2 and exStata.
post #13160 of 18428
Quote:
Originally Posted by manaox2 View Post
I have done that several times with my Quad monitors and Lambdas. It was intimate, spacious sounding, and overall very enjoyable. One of the main reasons I never want to get rid of my Lambda, even with the O2 and exStata.
Couldn't you do it with O2 as well? Or is that in another location?
post #13161 of 18428
Recap Stax srm-1/Mk-2? I was taking a look under the hood blowing out some dust. The srm-1/Mk-2 only has 4 electrolytic caps, 3 100uf 400v and 1 470uf 35v. Would there be a noticeable improvement changing them to Black gates? The other parts I am guessing would be good to change are the diodes in the psu and bias? There are for little ones and 2 big ones (3 big ones on my lower serial C series). Is there a thread on mods on these?
post #13162 of 18428
I bought a SRM-1 off eBay. Fine amp and really had me impressed, but it's lacking in power. I'm going to copy AudioCats' mods. (sans adding the pro bias and power cord adapter) Is this optimal? I could also use some help finding what he used for the low voltage supply caps.

http://www.head-fi.org/forums/f42/fs...o-bias-422712/
post #13163 of 18428
Quote:
Originally Posted by brat View Post
Can you remember which forum/thread?

Thanks!
I googled it and it appears to be in a thread you started, though not in this forum.

Here's the post:
Quote:
The 727 is supposed to be a similar design to the 717 with the output stage dissipating about 3 times the power, therefore a more extended high frequency and low frequency response. If it really sounds much worse, there certainly could be a number of reasons, but i would be surprised if on a casual basis anyone could tell the difference between the two. Unless stax made some kind of horrible mistake.
post #13164 of 18428
Quote:
Originally Posted by graben View Post
Couldn't you do it with O2 as well? Or is that in another location?
I could, but the Lambda is more forward sounding and more open which works well with the speakers. It just seems to work better. I dunno if this makes sense, but also when I listen to the O2, I do more focused listening and the speakers become more distracting.
post #13165 of 18428
Quote:
Originally Posted by Robot Metal View Post
I bought a SRM-1 off eBay. Fine amp and really had me impressed, but it's lacking in power. I'm going to copy AudioCats' mods. (sans adding the pro bias and power cord adapter) Is this optimal? I could also use some help finding what he used for the low voltage supply caps.

]

Lacking power? which phones are you using?

for low voltage caps, use blackGates if you already have them. Otherwise just Nichicon Muse will be fine. The improvement there is not huge.

The high voltage reservoir cap upgrade, on the other hand, makes noticeable improvment.

If you are just driving Lambda's, try some .47uf Auri for output. The 1uf SIO I used is a bit over-kill.

!! Do not touch the copper heat sink when the amp is on, or you will get zapped by 660V. It will kill.


By the way that amp is no longer for sale, at least for right now (I sold my T1W so the modded SRM1 is now my reference amp).
post #13166 of 18428
Does anybody know of a source of O2 drivers? preferably from within the US?
post #13167 of 18428
Audiocats: Thanks for the advice. Yes, I am using an SR-Lambda. My SRM-1 gets distorted nearing the max volume, especially with metal, but I guess that's to be expected from a used, unrestored amp from the 70's.

I need the 600V .47uf for the Auricaps, right? What do I need for the Nichion Muse?
post #13168 of 18428
WTF how loud are you listening? 140 dB?
post #13169 of 18428
Anyone know what earpad replacement would be best for the Lambda Signature? Should the Lambda Sig feel about the same as Lambda Pro? The ones on the Pro have more cushion and just feel nicer. Ears sometimes feel like they are touching the grill with the Sigs. Just pulling them away from the ear and the bass increases quite a bit. I don't think the nice 404LE would be a good replacement for Lambda Sigs. I have still been trying everything I can to figure out why I get more bass impact from the right side than the left. The left drivers dust cover membrane is stretched from damage but does not have a hole in it. Is a possible reason why there would be less bass impact on that side or maybe a nice new set of thicker pads will sole the problem? Its really not a fun problem to have trying to enjoy music and feeling there is a problem. Not sure why Stax wont make a modern replacement for either or these earphones.

Edit- It could be water in the middle ear from the shower thats causing me to feel like there is more bass because I feel the bass heavier on the right side with Lambda pro's also. I know water can get in my middle. Ear wax could be another problem but probably not. I been deaf a couple times for about a week its deafenatly a spooky experience especially the part waiting in emergency room for hours and hours and can't even hear them call. Can't complain because Amoxicillin fixes the problem in a few days but I don't think the problem would just go away without it. I already heard a few horror stories about doctors fixing eardrums that I am not sure if it would be a good idea.
post #13170 of 18428
n3rdling: It's not volume I'm worried about, I'm satisfied with that. On some instruments, like electric guitars, there's distortion on the right channel unless it's really quiet. It's like a small amount of static right after or something. (Hard to describe.)
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