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The Stax Thread III - Page 119

post #1771 of 3321
Quote:
Originally Posted by 3X0 View Post
 

This is the only statement I would believe to be accurate regarding the Lambda generations.

 

Even impressions on the new Lambda line by the Don (where is he these days?) have flip-flopped over the course of one or two years.

 

I would say that the only conclusive way to be sure is to hear them side-by-side, but this is of course easier said than done.

 

This isn't just a case restricted to Lambdas either. Read comparative impressions between the SR-007 vs. SR-009, SR-007 vs. SR-Omega, and SR-009 vs. SR-Omega and you'll find the same complete absence of a proper consensus.

 

I've never flip-flopped with the x07 range, they were awful from the day I received my first 507 with the 207 being the sole exception.  They aren't perfect (too bright/forward as all the new models are) but come closest to the ideal sound signature.  Dirt cheap too... 

 

Don't see much reason to visit HF any more but I still stop by to reply to PM's. 

 

Quote:
Originally Posted by zolkis View Post
 

My 507 doesn't have etch either, and it's warm sounding. As open as the HD800, but warmer and less grainy.

 

But this post is about the SR-007 Mk1. I always wondered why spritzer says it's the best headphones Stax made. He called my attention to setting the headband properly.

I've been playing a lot with the 007, and have ended up with some delightful discoveries.

 

While wobbling around the 009, I discovered the versatility of the 007-Mk1, which I can now make sound like... I want it. It can sound closed in with a lot of deep bass or as open as the 009 (within some debated limits of course) with more neutral and dry sound. Cutting the crap, here are my learnings:

 

1. It is so extremely sensitive to headband and earpad adjustments (even slight mods). The first revelation came when I made the headbands shape similar to that of the 507, i.e. flatter in the middle, the leather headband almost touching the metal bands. Then, set the angle of the drivers from the ends of the metal headbands, to follow the head and ensure even and the right amount of pressure around the ear. A lot of variables on how to achieve this one. The effect is opening up the sound and maximizing the snap and bass impact.

 

2. After the headbands are properly adjusted, then by rotating the earpad springs around the clock while keeping the pads still, the sound is affected between warm, melodic & a bit closed sound to completely open, neutral and more dry, and in between the two ends. I love it - and for what it's worth, I usually end up settling the spring at the positions mapping to 4-5 pm on the clock, where it has deep, well defined bass with an excellent base resonance, and it's open and fluid sounding in the same time. It can sound a bit syrupy and laid back around the 3 pm position, and getting more dry and more forward at 6 pm.

 

3. Setting the spring is easy since after a lot of testing, I stopped using the grills, and keep the phones in the box when not used, to prevent dust damage. Fortunately the air is very clean here.

 

4. Since I have 2 pads, and older and a new one, I modified the old pads while comparing them to the new. Based on countless experiments, I can say the best mod is to trim the soft part of the internal foam just lightly (~ 2 mm) from the thin (front) end, making it tilt more. This also accentuates the effect of setting the spring position. Skip this if you want, as this is non-reversible, or like me, do it with one pad and keep the other unchanged.

 

In the end I love this versatility to set the sonics to my mood and the music. I don't miss the 009 that much any more (the 007 is kind of more fluid). The SR-009 definitely has its own merits, but now I know what spritzer meant about the excellency of the 007 Mk1. I can still imagine better sound, but it's good enough for me for a long while.

 

I think it is impossible to review the 007 Mk1 properly, unless the reviewer takes the time to properly adjust and personalize the 007. My settings are likely non-optimal for others, but my wife and kids hear similar differences with it as I do, so the mods definitely have some value.

 

I would be useful if 007 Mk1 owners could try and verify these, except perhaps step 4.

 

Nice to see when somebody gets it.  :o  On my todo list though is to install a new diaphragm in a set of 009's to show just how good they could have been and indeed the prototypes were. 

post #1772 of 3321

Hi zolkis, what do you mean by "the spring"?

 

Is this the bar going from center to circumference? If so, then I don't need to remove the grill to rotate it. Removing the grill is something I'm just never going to do, irrespective of the potential rewards (I leave my 007's out all the time, with no ill effects after 5 years).

 

I'm not one who has the patience to make lots of minute adjustments - I much prefer to fit-and-forget, but I have increasingly noticed that rotating the pads of the 007, even by a small amount, can noticeably change the sound. Spritzer has mentioned this in the past. I've always settled for the seam to be forward and slightly up and then not worried about it. But exactly how "slightly up" does affect the sound - I wish I hadn't noticed this.

post #1773 of 3321
How can people find the 507's warm sounding, wtf?
post #1774 of 3321
Quote:
Originally Posted by TheAttorney View Post
 

Hi zolkis, what do you mean by "the spring"?

 

Is this the bar going from center to circumference? If so, then I don't need to remove the grill to rotate it. Removing the grill is something I'm just never going to do, irrespective of the potential rewards (I leave my 007's out all the time, with no ill effects after 5 years).

 

I'm not one who has the patience to make lots of minute adjustments - I much prefer to fit-and-forget, but I have increasingly noticed that rotating the pads of the 007, even by a small amount, can noticeably change the sound. Spritzer has mentioned this in the past. I've always settled for the seam to be forward and slightly up and then not worried about it. But exactly how "slightly up" does affect the sound - I wish I hadn't noticed this.

 

Yes, that bar is the "radius" of the spring, which is circular and tensions the earpad. The spring can rotate inside the earpad (moves easily counter-clockwise, but clockwise not so much, because the construction of the spring). The earpad can also rotate, but in the mods I have been describing they were kept fixed so that the joint pointed at 3 o'clock.

 

Now as the spring rotates inside the pad, the portion of the earpad where the bar is pointing to is slightly more elevated. On most 007's the bar is also set in 3 o'clock direction, but for me it sounds better around 5 o'clock - note that I have recessed the front depth of the pad about 2-3 mm by trimming the internal foam thickness, making the midrange more open. The spring can completely counteract this mod when set at 3 o'clock, and enable it more and more as it is rotated downwards to 4-5-6 o'clock. The relative max effect is at 6 o'clock, so I have a quarter of the circle to do adjustments. Setting through other quarters made different effects, which were not so desirable to me as they didn't sound as consistent from top to bottom. 


Edited by zolkis - 3/20/14 at 2:57pm
post #1775 of 3321
Quote:
Originally Posted by DefQon View Post

How can people find the 507's warm sounding, wtf?

 

I guess it goes with the source, since to my ears it sounds warm even with the 323S. Yes, it also goes with the ears, mine are not young any more - yet the HD800 still irritates me whereas the 507 does not (usually). It is indeed more "etched" than the 007, but not enough to call it etched, somehow my brain can adjust to it easily, unlike to most dynamic headphones which are more etched than the 507 and I can't make peace with them. Likely that adaptation limit is different from person to person.

post #1776 of 3321
Theres no doubt the 507 is a bright sounding headphone (guess age contributes as well) but the brightness of the 507 is to the point it is cold and clinical, of the few times I've heard it and tried to like it it was more irritating to the ears then my HD800's of the time.
post #1777 of 3321
I specifically bought the 507 because I wanted cold and clinical, what I got was warmth, so I sold it. Nothing wrong with my hearing as I find the srxmk3 slightly etched with a bit of glare to the treble and the 007mk1 to be slightly dark and the sr-5 to have fantastic musical mids.

I suspect there is more sample variation with stats than we might think, as well as the different SQ arising from variability from pad fit/seal.
Edited by Argybargy - 3/20/14 at 5:54pm
post #1778 of 3321
Quote:
Originally Posted by DefQon View Post

Theres no doubt the 507 is a bright sounding headphone (guess age contributes as well) but the brightness of the 507 is to the point it is cold and clinical, of the few times I've heard it and tried to like it it was more irritating to the ears then my HD800's of the time.

Hopefully you're not diseappointed with the 009, some say the voicing of 507 is similar (can't say personnally, haven't bothered checking the new lambda series).
post #1779 of 3321

While still slightly on the forward side, the SR009 is much smoother so they are not that similar in my opinion.

I doubt that there would be considerable sample variation, more like different systems.

post #1780 of 3321
I have some Lambda Pros and an SRM-006t coming in this weekend hopefully. I think I need a step down transformer right?

Anyone got any thoughts on Lambda Pros?they are the original from 1984, ithibj and also the 006t is the older version
post #1781 of 3321
Quote:
Originally Posted by DutchGFX View Post

I have some Lambda Pros and an SRM-006t coming in this weekend hopefully. I think I need a step down transformer right?

Anyone got any thoughts on Lambda Pros?they are the original from 1984, ithibj and also the 006t is the older version

 

No thoughts as long as they work, no channel imbalance or damaged dust filter that can cause squealing, sit back and enjoy the music. The 006 according to schematics from the Stax Mafia is pretty much a modernised T1/T1S, it will balance nicely with the Lambda Pro's. 

post #1782 of 3321
Quote:
Originally Posted by spritzer View PostI've never flip-flopped with the x07 range, they were awful from the day I received my first 507 with the 207 being the sole exception.  They aren't perfect (too bright/forward as all the new models are) but come closest to the ideal sound signature.  Dirt cheap too... 

Yeah, I had this argument with DefQon earlier and he was right about your present opinion of them.

 

But I summed up the tidbits here. Your seemingly positive impressions seemed to have been from late 2010 in "that other forum" whereas your posts from 2013-onwards here have been pretty negative about them.

 

Thanks for confirming your present opinion of them.

post #1783 of 3321
Following my previous post, is there any easy way to change voltage on my 006t. I don't want to always use Thant massive step down transformer, the amp itself is big enough lol
post #1784 of 3321
Quote:
Originally Posted by 3X0 View Post
 

Yeah, I had this argument with DefQon earlier and he was right about your present opinion of them.

 

But I summed up the tidbits here. Your seemingly positive impressions seemed to have been from late 2010 in "that other forum" whereas your posts from 2013-onwards here have been pretty negative about them.

 

Thanks for confirming your present opinion of them.

 

Like all Lambdas, they have their good points.  The bass on the new Lambda's is the best from any stock unit though the comfort on the 507 is the worst of the lot.  Even the Lambda Pro do some things well but in the end the flaws are just too grating to enjoy the set.  Same thing applies to the 507, that midrange shout and general bright nature means they aren't what I'd call good.  Anybody who thinks the 507 is worth their asking price should try a fully functional LNS. 

post #1785 of 3321

Can the SR-252 power the SR-407 to it's potential?  Also is the SR-407, Lambda pro level quality or is it way less?  What is the difference between 407 and the Lambda pro?

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