mrmarbach Posted September 14, 2010 Report Share Posted September 14, 2010 I have SR404LE and SRM-T1. Although I am only just beginning to use it a lot, it sounds wonderful so far. My only concern is that the bass seems to be a bit loose in comparison with my speaker system (Meridian DSP). Should I blame the headphones or the driver unit? If the driver unit I am thinking about the SRM-600 as a step up, but haven't seen many impressions of that on here - particularly in comparison with the other Stax amps such as the SRM717 and the other current models. Suggestions for my next step? (I am only interested in amps with balanced inputs, and for the moment only Stax's own ones.) Quote Link to comment Share on other sites More sharing options...
mypasswordis Posted September 14, 2010 Report Share Posted September 14, 2010 The bass is rubbery and the treble is muted but there is no real bass hump other than a minor one in the low bass. Quote Link to comment Share on other sites More sharing options...
mrmarbach Posted September 14, 2010 Report Share Posted September 14, 2010 The bass is rubbery and the treble is muted but there is no real bass hump other than a minor one in the low bass. You mean in the SRM-600? Doesn't sound very nice. I would rather it was just flat... Is the SRM-717 better? If so why? Quote Link to comment Share on other sites More sharing options...
spritzer Posted September 14, 2010 Report Share Posted September 14, 2010 The 717 is a far better design than the 600 and the 727 could be even better with a simple fix. More power in every way, not just voltage swing. The SRM-600 is nothing but a T1 save for some slight refinements in the PSU and using better tubes. I even have a T1 here which I'm going to turn into a 600 just for kicks. Quote Link to comment Share on other sites More sharing options...
mrmarbach Posted September 14, 2010 Report Share Posted September 14, 2010 The 717 is a far better design than the 600 and the 727 could be even better with a simple fix. More power in every way, not just voltage swing. The SRM-600 is nothing but a T1 save for some slight refinements in the PSU and using better tubes. I even have a T1 here which I'm going to turn into a 600 just for kicks. Thanks a lot for the comparison. I guess I'll be looking for a 717 then... Quote Link to comment Share on other sites More sharing options...
mrmarbach Posted September 14, 2010 Report Share Posted September 14, 2010 Thanks a lot for the comparison. I guess I'll be looking for a 717 then... Oops, two more questions: - I've seen mention online of SRM-717 Mk2. Does that really exist? - There is no version with switching of the inputs, is there? - So like my T1 it has two inputs and they are both "always on", parallel? (Layman, me.) Quote Link to comment Share on other sites More sharing options...
Cynric Posted September 14, 2010 Report Share Posted September 14, 2010 thanks for the comments, spritzer. Said friend sent me some pictures of his amp. Seems to be a version somehow between your PP and my A, since it has the big cap in the low bias supply, but still uses the longer wire-bridges. Also he has those fancy wire-resistors and plastic wire clips, but not the solid wires. Lastly he dicovered a sticker on the bottom stating the build time (march 1987) and the names of three japanese inspectors Bild: dsc00416zhn3.jpg - abload.de Bild: dsc004182gwo.jpg - abload.de Quote Link to comment Share on other sites More sharing options...
spritzer Posted September 14, 2010 Report Share Posted September 14, 2010 I just my SRM-727 and SRM-300 from Kevin. Stax were being a pain as usual and had cut the 117V windings on the 727A but it took all of 3 minutes to solder in new wires. What a pointless thing to do... Anyway, with it running at 240V all I can say is just how fucked up is the sound. The bass is just horrible, loose and woolly with textures which shouldn't be there. The midrange is distant and the whole sound lacks energy. It's just all a bit bloated and lifeless IMO. The gain is also way lower then it should be, I'm listening at 7 on the dial when normally on this source I never go past 5 on any of my Stax amps. I'm going to try and hold on for a couple of days until I'll mod the amp and see how it compares. In simulation it is no competition but we'll see... Oops, two more questions: - I've seen mention online of SRM-717 Mk2. Does that really exist? - There is no version with switching of the inputs, is there? - So like my T1 it has two inputs and they are both "always on", parallel? (Layman, me.) Kevin was talking about a Mk2 but I've never seen it. Some users talked about some mysterious Mk2 version which was supposed to be superior but it was just sleazy salesman talk since the only thing Stax changed were the fets since they ran out of the duals. There is a switch but it is only to ground the - part of the input for SE use. It wouldn't be too hard to put in a 4PDT ON-ON switch for real input switching though... thanks for the comments, spritzer. Said friend sent me some pictures of his amp. Seems to be a version somehow between your PP and my A, since it has the big cap in the low bias supply, but still uses the longer wire-bridges. Also he has those fancy wire-resistors and plastic wire clips, but not the solid wires. Lastly he dicovered a sticker on the bottom stating the build time (march 1987) and the names of three japanese inspectors Bild: dsc00416zhn3.jpg - abload.de Bild: dsc004182gwo.jpg - abload.de That one is indeed very similar to mine. Those compensation caps near the input wiring are missing on mine though... Quote Link to comment Share on other sites More sharing options...
graben Posted September 15, 2010 Report Share Posted September 15, 2010 My headband on my LNS just cracked in half exactly in the center. How much would a replacement cost? Can I just buy it directly or would I need to send it to Stax to repair it? I live in Japan by the way, so I hope that would make it easier. Quote Link to comment Share on other sites More sharing options...
spritzer Posted September 15, 2010 Report Share Posted September 15, 2010 It shouldn't be more than 4kYen and Stax should sell you one directly. It will be a SR-404 part though... Quote Link to comment Share on other sites More sharing options...
The Monkey Posted September 15, 2010 Report Share Posted September 15, 2010 I saw a bunch of headband assemblies FS on ebay a few weeks ago. Not sure if they're still up. Quote Link to comment Share on other sites More sharing options...
luvdunhill Posted September 15, 2010 Report Share Posted September 15, 2010 Those compensation caps near the input wiring are missing on mine though... I'm not sure those are compensation caps. They look like an input filter. Quote Link to comment Share on other sites More sharing options...
spritzer Posted September 16, 2010 Report Share Posted September 16, 2010 Yup, your right, no need to compensate for anything there. The SRM-Xs has those as well (green board version). Quote Link to comment Share on other sites More sharing options...
KrypticMind Posted September 16, 2010 Report Share Posted September 16, 2010 [ATTACH=CONFIG]3677[/ATTACH] Does anyone know where I can get replacement parts for the circled part? The hard thin top part of the O2? The ones on my O2s are wearing out really fast for some odd reason. Quote Link to comment Share on other sites More sharing options...
graben Posted September 16, 2010 Report Share Posted September 16, 2010 I saw a bunch of headband assemblies FS on ebay a few weeks ago. Not sure if they're still up. They are asking for $100 so I will contact Stax directly. Thanks for the help everyone. Quote Link to comment Share on other sites More sharing options...
forbigger Posted September 19, 2010 Report Share Posted September 19, 2010 guys, anyone try hooking up esp950 to bhse ? and he60 too. just curious how does it sound Quote Link to comment Share on other sites More sharing options...
deepak Posted September 19, 2010 Report Share Posted September 19, 2010 guys, anyone try hooking up esp950 to bhse ? and he60 too. just curious how does it sound HE60 plus Blue Hawaii (regular) = awesome. I can only imagine it is the same with the BHSE. HE60/BH was my second favorite headphones setup. Quote Link to comment Share on other sites More sharing options...
forbigger Posted September 19, 2010 Report Share Posted September 19, 2010 so that would mean if regular BH is awesome then it should be same as KGSS as technically both are quite close? Also noticed on Justin web that he's going to build another final 4 aristeaus. I know its a soul mate for orpheus but how does aristeaus fare with O2 or HE60 ? Quote Link to comment Share on other sites More sharing options...
spritzer Posted September 19, 2010 Report Share Posted September 19, 2010 The KGSS and the BH share a lot of similarities but they are also very different. The BH and BHSE don't differ all that much though. Quote Link to comment Share on other sites More sharing options...
Tony Posted September 19, 2010 Report Share Posted September 19, 2010 Hey Birgir, have you already modded the 727? I am waiting for impressions Quote Link to comment Share on other sites More sharing options...
spritzer Posted September 19, 2010 Report Share Posted September 19, 2010 Check the amplifier section... Quote Link to comment Share on other sites More sharing options...
Fing Posted September 19, 2010 Report Share Posted September 19, 2010 so that would mean if regular BH is awesome then it should be same as KGSS as technically both are quite close? Also noticed on Justin web that he's going to build another final 4 aristeaus. I know its a soul mate for orpheus but how does aristeaus fare with O2 or HE60 ? I had an O2 and an Aristaeus and it sounded very good to my ears. Noticeably better than the Stax SRM-T1 I have and I only let it go because I wanted to move to a BHSE which I hear is a better match. I've read posts and heard from others that the Aristaeus is on par with the KGSS when driving the O2's. Quote Link to comment Share on other sites More sharing options...
Dusty Chalk Posted September 20, 2010 Report Share Posted September 20, 2010 The BH and BHSE don't differ all that much though.Wut? I'm going to have to disagree with you, there. I distinctly remember telling Justin, "you've really outdone yourself", and I was specifically referring to the BHSE, and in my head, I was thinking, with reference to the BH. Quote Link to comment Share on other sites More sharing options...
spritzer Posted September 20, 2010 Report Share Posted September 20, 2010 In terms of industrial design the BHSE is miles ahead of the original BH, no doubt there. What I was referring to is the circuit and how it has been altered by swapping in a new CCS. Quote Link to comment Share on other sites More sharing options...
padam Posted September 20, 2010 Report Share Posted September 20, 2010 Two new products have been released, the SRS-005S and the SRS-2170 [url=http://blog.joshinweb.jp/ichinose/2010/09/stax.html] Quote Link to comment Share on other sites More sharing options...
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