Head-Fi.org › Forums › Meets, Get-Togethers, Factory Tours › Head-Fi Meet Impressions, Trade Show Reports, Factory Tours › 11/9/08 - mini-meet with plaidplatypus at my crib - MD5000DE, Stax - Koss ESP950 - HE60, ATH-A900 vs D2000
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11/9/08 - mini-meet with plaidplatypus at my crib - MD5000DE, Stax - Koss ESP950 - HE60,...

post #1 of 28
Thread Starter 
Episode #5 of The Headphone Guys - with HeadphoneAdidct (Larry) and special guest host this week "plaidplatypus" (Mark).

HeadphoneAddict: So, I had a very nice little mini-meet 11/9/08 with plaidplatypus. Mark was the fellow who sold me my first electrostatic headphone rig (SR-Lambda/SRD-X) during the great Head-Fi crash of 2007 during the Thanksgiving break. The miltary is re-locating him from Arizona to Kansas and he was passing through town, so I treated him to breakfast and invited him over to listen to some gear.



He brought his PS Audio Lambda CD transport (which we used only a couple of times), his Lavry DA10 DAC, a Pacific Valve modded DAC-AH, and his trusty ATH-A900 Limited. He sold his KGSS and O2 and his Sigma Pro are out on loan for now. I supplied my Macbook with lossless files, Apogee mini-DAC with sigma 11 psu, Single Power Square Wave XL balanced amp (2008 model with blackgates), Woo GES maxed electrostatic amp, Head-Direct EF1 tube hybrid dynamic amp and a bazillion headphones. Those included the Stax O2 Mk2 with Spritzer earpad spring mod, Senn HE60, Koss ESP950, Stax SR-Lambda, Stax SR-5NB gold edition and Stax SR-003. I was too lazy to dig out the SR-Lambda Signature. We also listened to my APS V2 balanced D2000, Markl modded MD5000 with JL cable, APS V3 balanced HD600, Germania modded ATH-A900 Art (SPC cable and internal dampening), and APS V3 RS-1. Then I made him listen to the Pico as a DAC pre-amp and driving headphones, as well as the iBasso D2 Viper and TTVJ Portable Millet Hybrid. The piece de resistance was the iPhone 3G driving the APS V3 HD600, and not sucking.

plaidplatypus: Thanks for the mini-meet. If I knew you were buying breakfast I would have ordered more food, but I think all the toys to play with makes up for it!

HeadphoneAddict: Great, so lets get started! I think one of the first things that we discovered was that my Apogee mini-DAC was contributing to the excessively forward mids of the Stax O2 Mk2. I've never felt the Apogee had that problem with any other headphones or amps, but the forward mids are a known problem with the Stax O2 Mk2. I have done the ear-pad spring mod which helps pull back the honky mids a bit, but we found that switching to the Lavry DA10 as the source pulled them back slightly more and made them less fatiguing. I was truly enjoying the O2 Mk2 more than I had previously. I also felt the Lavry DA10 gave them slightly more extended bass, which is the second problem with the O2 Mk2 since Stax introduced the anti-fart bass port in that version. Lastly, the Lavry has a very nice headphone out, but I thought the Apogee was slightly better, and the EF1 was another notch above that. Still, if no headphone amp is available, it's great to be able to use the Lavry or Apogee as a headphone amp that is still better than that in most audio video receivers.

Now, the DA10 only has XLR out but not RCA out, so we used the Single Power XLR input and RCA loop out to then feed the GES which has single ended RCA inputs. In previous testing I have found the Single Power to have minimal impact on the sound quality of the RCA loop out. So, we left the Lavry hooked up for most of the meet, except for a brief stint with the CD transport and DAC-AH.

plaidplatypus: When I first heard the GES/SR-007II combo I thought it was overly tubey but when we hooked up the DA-10 everything seemed to clear up and come together nicely.

HeadphoneAddict: Mark, I was very eager to hear about your experience with O2 and KGSS and how that compared to the O2 with Woo GES, so maybe this is as good a place as any to toss in those thoughts now? This was a quiet meet and we didn't feel the need to blast the music, so I don't think that the O2 Mk2 and Woo GES maxed ever got to the point where we felt we didn't have enough power.

plaidplatypus: Larry, you have the mkII version of the O2 and I had the original over a year ago. The Woo GES and O2mkII has a level of clarity that you don't get from the STAX brand amps, the same goes for the other Gilmore design amps I've heard both HeadAmp or DIY. You listen to music at a level that's a bit over my level of comfort but you don't blast it like Pabbi1. I probably listen to music at lower levels that most Americans, so I had no problems at all with what the GES could crank out.

HeadphoneAddict: Well, we had the volume knob on the GES between 10-11 o'clock and clipping doesn't start till about 2 o'clock, so where would pabbi1 be blasting it at, 3 o'clock? Okay, so I'm gonna jump to the end of the meet to stay on topic here. When I snuck the Pico in as the DAC/Pre-amp feeding the Woo GES/O2 and tricked you into thinking we were back on the Apogee mini-DAC, you weren't fooled and could tell right away that it sounded different than what you'd heard with the Apogee earlier. You had this puzzled look on your face, and told me it sounded better. People think I am crazy when I say that I use the Pico sometimes to feed my high end amps, but there was nothing missing in terms of resolution of detail or soundstage. Iron_Dreamer actually sold me this Apogee/Sigma 11 because he liked his Pico as his Computer's DAC better. Do you agree, and what were you thinking when you listened to this combination?

plaidplatypus: Yes, I was wondering why the Apogee sounded so much better (seeing as it was really the Pico). I've been impressed with Justin's work before but to fit a great sounding DAC and amp into such a tiny box is really amazing.

HeadphoneAddict: Another comparison we made was with your ATH-A900 Limited Edition, which frankly surprised me by sounding as good as the Germania modified ATH-A900 ART with silver plated copper cable and internal felt dampening mods. It would be great to know what Audio Technica did to make the Limited better than the standard A900 which needed mods to keep up. My A900 were maybe slightly more "controlled" or monitor-like, but they were very close. While I really enjoy the A900 in a musical sense, I did feel both of our A900 were less detailed than the D2000, which were also less detailed than the markl modded and recabled Denon D5000. In complex musical passages the A900 just seemed to get too congested sounding and couldn't keep up, but in most cases they were still nice.

plaidplatypus: To me my A900LTD was much more enjoyable than the modded A900. It's what I listen to when open 'stat are impractical or I want some bass fun. The APS cabled D2000 was something new to me. swt61 has the D1000 (I think that's what it's called), I thought the D1000 an ideal mix of portability and sound quality. The D2000 with the apuresound.com cable was better than the A900LTD in many ways but I'm not about to give up my A900LTD any time soon.

HeadphoneAddict: I wouldn't say "much" more enjoyable, but musically I think they flowed a little better and were not as controlled and monitor-like as the modded A900 Art. So, the other interesting comparison here was the APS V2 cabled Denon D2000 vs the markl modded MD5000 with Jenna Labs re-cable. In a sense, I thought the D2000 were more relaxing and laid back, and sometimes more enjoyable. But with some music they were lacking some crucial micro-details that made them more entertaining than realistic. This was especially noticeable in Arvo Part "Tabula Rasa" where with the MD5000 you could hear the rosin of the bow on the strings and the violins were brought forward, instead of blending more into the musical ensemble as part of the melody rather than as the main focus (the D2000). Also, we heard a similar thing with the Saxophone taking the lead over the organ in Arne Domnerus Antiphone Blues, or in Nora Jones feeling like she was more present in "Wish I could". All I could wish for was the MD5000 to be balanced, so the two headphones would be on more of a level playing field - because the soundstage of the balanced D2000 was nice and wide with great channel separation, but instruments tended to blur into each other more easily with the D2000. With the D2000 however, the deep bass was simply delicious and I couldn't get enough of it. What were your thoughts?

plaidplatypus: The MD5000 remind me of the dynamic Sennheisers that do so much well but don't excite me like the D2000 or even A900LTD, that being said they are much more refined than both.

HeadphoneAddict: At another point, with the balanced HD600 you said that this was the best you've ever heard Sennheisers sound to you. While they are great balanced, I also think they are a little forward in the mids like the O2 Mk2, and the deep bass is still slightly lacking with them vs the Denons. Occasionally I like them with the Woo WA6 a little more because the mids pull back just a little. I know you weren't saying that they were the best headphones, but how would you compare them to the Denons or A900's?

plaidplatypus: Apples and oranges. I like Dynamic Senns with live recordings but prefer the others for pop music.

HeadphoneAddict: Here comes the fun part, or should I say the hard part. We compared several electrostatic headphones and I liked the HE60 the most, while always wishing for just a tiny bit more bass. Comparing them to the SR-Lambda, the HE60 were much more transparent, while the SR-Lambda excelled in the bass department and were more musical and fun but more colored. It was easier for the illusion to fall apart with the Lambda than with the HE60, and to realize that you were listening to a pair of speakers next to the ear. Nevertheless, you said the Lambda sounded better on the GES than on your old KGSS.

Next, the Koss ESP950 were more transparent than the Lambda but not as much as the HE60, and they didn't seem to do anything especially well, although nothing especially bad either. To me the Koss sounded similar to the MD5000 in midrange detail and tone, but without the nice bass of the MD5000. The O2 Mk2 seemed to have the bass we wanted, as well as the transparency, but the soundstage wasn't as deep as the HE60 because of the forward mids in it's sound signature. The surprise was comparing the SR-5NB gold edition to the others and thinking they were less colored than the SR-Lambda, and more in the direction of the HE60 (but still more forward than HE60 and not as refined or transparent). I think you said you were surprised by the bass as well (considering the normal SR-5 don't have much). We talked about the SR-003 having kind of a slight roll-off at both ends, but being a mini-02. When you first listened to them you liked them more than the SR-Lambda, but as we got used to the sound of the Lambda we both started to like them more than the SR-003. I think something weird psychoacoustically was going on there, or were we just starting to get ear-fatigued (snow blind).

plaidplatypus: INSERT THOUGHTS ON MULTITUDE OF STATS =

UPDATE 11/24/08 - Your GES is the best amp that I've head for the Lambdas; definely better than SRM-007t, my previous top pick for the Lambdas. The SR-003 was a bit bassy for my taste, I prefered all of the other 'stats over the SR-003 but they were not bad. The Koss were a bit dull compared to the Lambdas on the GES. The O2mk2 was very nice sounding, I did not note it lacking compared to the original O2 setups I've heard in the past. The HE60 does what it does extremely well, I can't wait to hear it again.

The one thing I really want to drive home is that the Lambda sounded great with the GES. The GES with a Lambda-type earspeaker would be a much better choice for someone looking to start a high-end STAX rig than an O2 with a low-end STAX amp.


HeadphoneAddict: UDATE 11/24/08 response - As far as the SR-003 go, I've been calling them "baby O2" due to that dark nature, but they do sound more balanced on the SRM-1 Mk2 Pro that drops the bass a notch on all the stats. As for the Koss, I actually use them most on the SRD-7 Pro with Nuforce Icon in my bedroom with the Apogee mini-DAC as source, and they are a little more exciting. I was all ready to sell the ESP-950 to Sherwood after you and I had our meet, but then I went back to the other rig and fell in love with them again. And the GES is so good with the SR-Lambda (normal bias) that I went ahead and sold the SR-Lambda Signature since they are so similar. I can always pick one up later, or a LNS or one of the new models if I decide I need a pro-bias Lambda, but the SR-Lambda out of my Travagans Red/SRD-7SB or SRD-X gives me a THIRD stat rig, in addition to the Nuforce/SRD-7 Pro and Woo GES.

Now, do you want to tell them about the miserable experiment with the DAC-AH and Infected Mushroom? Go ahead, it will be good for you.

plaidplatypus: What's wrong with some distortion? I think that music was the perfect way to show off the DAC-AH's flaws. It does much better with vocals. I think you disliked the DAC-AH bass as much as I disliked the Apogee highs and mids.

HeadphoneAddict: Ouch! So, at the end of the meet we listened to some portable stuff as the last thought. What did you think about the Pico running the A900 off the Macbook, or the iMod with the first portable amp you tried (iBasso D2 Viper), or iMod with the TTVJ Portable Millett Hybrid? And, were you surprised the iPhone 3G could make an HD600 with portable APS V3 cable sound good?

plaidplatypus: Everything portable I've owned except for my old portable Sony CD player has been junk; nothing you showed me made me cringe. The Pico and TTVJ amp were the highlights for me. I wouldn't have guess the iPhone was that good.

HeadphoneAddict: So, do you have any last thoughts? I don't even remember what we thought about the APS V3 cabled RS-1, or the stock SR-325i with balanced plugs. What about the $115 purple DAC with Sigma 11?

plaidplatypus: You have too many headphones.

HeadphoneAddict: Well, I suppose I could sell a couple, maybe the SR-325i and SR-Lambda Signature since I have other similar sounding headphones, if that will make you happy. Okay, well that's it for this edition of The Headphone Guys. Next time we'll return with our usual hosts HeadphoneAddict and Blutarsky, with special guest star wiatrob as we compare the Cambridge Audio DACMagic with Sigma 11 vs Stello DA100 vs Apogee mini-DAC and sigma 11 vs Pico vs Headroom Micro DAC on 9v battery vs Purple Super Pro DAC707 with Sigma 11 psu vs 2gb 1G Nano.[/QUOTE][/QUOTE]
post #2 of 28
Thanks for the impressions, and yes, you have too many headphones
post #3 of 28
Thread Starter 
Quote:
Originally Posted by powertoold View Post
Thanks for the impressions, and yes, you have too many headphones
List of headphones we didn't pull out to listen to this time around:

Stax SR-Lambda Signature
my spare pair of SR-Lambda
Stax SR-001 Mk2
Ultrasone Edition 9 with APS V3 cable
Ultrasone HFI-700DVD signed by Florian Koenig
Grado HF-1 woodied with APS V3 cable
Grado SR-60 woodied and silver cabled by ALO Audio
Alessandro MS-1 and stock SR-60
AKG K240M 600 ohm
Yamaha HP-1 orthos
Audio Technica ATH-ANC7

Nor any of the smaller portables like:
Senn PX100 and PMX100
Koss KSC-35 and KSC-75
bunches of IEM and earbuds...
post #4 of 28
Just to pigtail onto this wonderful little mini-meet, I had the privilege of attending another shindig at HeadphoneAddict's place last night, where he attempted to convince me that the o2s were, indeed, all that.

I had previously been unswayed. Hearing them at multiple meets on multiple setups I just didn't see the appeal. They were clearly fantastic headphones, but I didn't prefer them over my SR-Lambda enough to justify the price difference. larry set out to change that.

Armed with the Pico and some lossless files into Larry's maxxxed Woo GES, we hot-swapped the SR-lambda, Sigma pro, ESP-950, HE-60 and the venerable O2 MKII.

I didn't particularly care for the stock sigma pro. It was rolled off at both ends, and really uncomfortable. The soundstage was tremendous -- better than any Stax I've ever heard -- but it didn't make up for the other flaws in my mind. I can see why some 404 drivers would tip the scales, though.

The real challenge was between the HE-60 and the O2 MKII. Larry knows that his HE-60 will one day disappear along with me to Mexico, so the O2 had stiff competition. It rose to the challenge, and really outperformed the HE-60.

The level of performance here was high enough that minor complaints were virtually eliminated. When the O2 won me over, it did it with an extreme sense of ease and a very natural presentation. Larry and I are both sax players, and while I don't know how long Larry had a horn, I myself have 10 years of training and hundreds of hours of jazz combos under my belt. I feel comfortable with the unamplified sound of a saxophone.

The O2s presentation of a sax was as good as I've ever heard from a headphone. While other headphones suffered in pinpoint imaging, basically placing the tone of the instrument in a seperate compartment from the mechanical sounds of the keys and pads, the O2 gave the impression that the instrument was one cohesive piece. The tone was wondrous.

I can't wait to hear the O2 MKII out of Larry's GES again. The debate over which stat amp rules them all will likely continue to rage, but I cannot imagine the GES being passed over in the running. The dynamics and timbral ease it imparted to everything we listened to was unrivalled.

So there, Larry, you did it. Are you proud of yourself?
post #5 of 28
Thread Starter 
Sure, proud as ever. Don't drink, don't smoke, use protection, listen to Stax O2. My job is done!

PS: I played sax and clarinet for 4 years, till 10th grade when I traded the sax for speakers
post #6 of 28
Quote:
Originally Posted by HeadphoneAddict View Post
Sure, proud as ever. Don't drink, don't smoke, use protection, listen to Stax O2. My job is done!
I drink and smoke, she's on the pill, but I'll listen to those headphones any time
post #7 of 28
Thread Starter 
That fast reply is reminiscent of stalking...

BTW, what did you think of the re-cabled ESP950 now that you've played with them some more? I think they are better than Lambdas.
post #8 of 28
Yep. Better than lambdas in everything but soundstage. The lambdas have a more sucked out midrange, which I don't mind terribly. It lets them sound a little more laid back than the 950s. The only problem is that they have a slightly sharpened treble to accompany the laid-back mids, which is unacceptable. The 950s are more cohesive, and all-around better 'phones.
post #9 of 28
Thread Starter 
fix the typo - no sucked out treble, you meant mids.
post #10 of 28
Quote:
Originally Posted by HeadphoneAddict View Post
fix the typo - no sucked out treble, you meant mids.
Thanks. Hopefully the blatant grammatical error from the former English teacher alerted readers to the presence of an undercaffeinated man at 2 AM... g'night!
post #11 of 28
Thread Starter 
Sorry I only fed you one cup of coffee - my coffee pot only makes 20oz at a time.
post #12 of 28
the GES/O2 is a nice combo.

the GES in general a solid stat amp. haven't heard an upgraded version yet. curious about that. definitely open to a tube based stat amp in the future. should be a few options in this area come next year.
post #13 of 28
Heck, there are a few options right now, especially since Justin said he'll be making a few more Aristaeus'.

That brings the total up to 12 or so so far... not totally sure. KGBH, KGBHSE, Aristaeus, SRM-T1,T1S, T1W, SRM-T2, Rudistor's two offerings, SRM006t, SRM-007t and the ES-1. I'm likely missing a few. Add Ray's new guy in there and we're at a dozen at least.
post #14 of 28
Thread Starter 
Quote:
Originally Posted by Sherwood View Post
Heck, there are a few options right now, especially since Justin said he'll be making a few more Aristaeus'.

That brings the total up to 12 or so so far... not totally sure. KGBH, KGBHSS, Aristaeus, SRM-T1,T1S, T1W, SRM-T2, Rudistor's two offerings, SRM006t, SRM-007t and the ES-1. I'm likely missing a few. Add Ray's new guy in there and we're at a dozen at least.
Well, everyone says to avoid Rudistor lately, and McAllister.

And there is a SP ES-2 as well, but people are spreading rumors about a design flaw that will take them down eventually (a power coupling or something).

And the KGBHSS is actually KGBHSE, and the KGSS is a separate SS product.

The SRM-717 is the only Stax amp recommended for the O2 these days, since the T2 are rarer than Hen's teeth when not bursting into flames.
post #15 of 28
I fixed the KGBHSE reference -- typo.

As to the rest of them, I've only heard a few. The GES isn't recommended for the O2 outright, either, but my does it sound sweet.
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Head-Fi.org › Forums › Meets, Get-Togethers, Factory Tours › Head-Fi Meet Impressions, Trade Show Reports, Factory Tours › 11/9/08 - mini-meet with plaidplatypus at my crib - MD5000DE, Stax - Koss ESP950 - HE60, ATH-A900 vs D2000