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2006 vintage upgrade?
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faudrei View Drop Down
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Joined: 24 May 2009
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Points: 10 		Post Options Post Options   Thanks (0) Thanks(0)   Quote faudrei Quote  Post ReplyReply Direct Link To This Post Posted: 25 May 2009 at 11:20am
Thanks Charley,

In fact, the things Graham stated are true - when I connect iPod as a source the volume is "usable" in "9 to 3" area. The problem arises when I connect, f.e., Paradisea + DAC which has "higher than iPod" output levels.

...the thing is - I somehow prefer Solo, Paradisea +, hagUSB and ThinkPad as my headphone listening source, and would therefore like, if possible, to lower Solo's gain.

Regards,


Edited by faudrei - 25 May 2009 at 11:24am
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jamescodway View Drop Down
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Points: 320 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jamescodway Quote  Post ReplyReply Direct Link To This Post Posted: 25 May 2009 at 11:37am
With due respect to our supportive friends at Audio Elevation, I find the Rothwell attenuators address the problem with no audible (to my cloth ears) loss of quality.
 
 
I even use them to attenuate ipod line out signal to get a real 9-3 useable range (depending on mastering level). To my ears, 11-1 o'clock has more 'power/control' than 9 o'clock - esp. w/closed back HD25/HD250.
 
Anyone say 'placebo'?... pah !! Embarrassed
 
 
Regards,
 
James


Edited by jamescodway - 25 May 2009 at 11:39am
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mrarroyo View Drop Down
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Points: 1401 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mrarroyo Quote  Post ReplyReply Direct Link To This Post Posted: 25 May 2009 at 1:21pm

You could also contact the manufacturer of the Paradisea to find out if you could replace the OPA2604 w/ a lower gain op-amp.
Miguel
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faudrei View Drop Down
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Points: 10 		Post Options Post Options   Thanks (0) Thanks(0)   Quote faudrei Quote  Post ReplyReply Direct Link To This Post Posted: 25 May 2009 at 3:01pm
Miguel, Paradisea + (plus) that I have came with LM4562 in place. At the moment I'm evaluating LM6172 there (makes Paradisea+ IMO a Paradisea++ or "broadband" Paradisea).

The thing is - IF there is an easy/elegant gain adjustment option on Solo and IF Graham is willing to share it with us - I am really interested to try it out. If not - I pretty much know my other gain lowering options and, in the bottom line, can live with "standard" Solo Green gain.
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jamescodway View Drop Down
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Points: 320 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jamescodway Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jun 2009 at 2:53pm
Originally posted by Graham Slee Graham Slee wrote:

... But the www.diy-audio-kits.com website is online and developing nicely, and IT WILL FEATURE THE SOLO SRG UPGRADE KIT shortly. It will also give details on how to get your post 2004 Solo factory upgraded to SRG status.

If you give it a few days more you will see it all at the above website.
 
Graham, hello. Are we any nearer to 'a few days more'? My 701s/RS-1s are pestering me Wink
 
James
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Graham Slee View Drop Down
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Points: 16314 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Graham Slee Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jun 2009 at 10:20pm
Hi James,

A very helpful American friend asked me if I could drive a tad more bass into the K701.

Well you know just how difficult the K701 likes to be..................?

Virtually anything else works well, apart from the K701 and that bit more bass, which admittedly is hard to drive to the depths.

I took it as a challenge, so rather than having "service pack 5437" I thought if I just took a little longer...

Well time flies doesn't it, especially when you're "sweating on the top-line" ...

And the burn-in takes such a long time (no I don't do long burn-in on purpose Wink)

So if after the next 4 days (the usual length of time a mod takes to burn-in - even a single component change) then I can release the "service pack 5436" tad extra bass revision - we are talking of less than an acoustic decibel but if it helps the K701 it's worth doing.

Graham
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jamescodway View Drop Down
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Points: 320 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jamescodway Quote  Post ReplyReply Direct Link To This Post Posted: 16 Jun 2009 at 8:59pm
Graham,
 
this sounds like a quest... a quest for 701 heaven.
 
I'm guessing your supporters will consider it well worth the wait.
 
I didn't pass on this piece of news to my (currently in the drawer, I'm enjoying the HD250s too much) AKGs... they just might not be able to contain themselves with the exciting anticipation.
 
Now I just have to work out how I'm gonna cope when the day comes for my '06 vintage to make that long trip from London to Yorkshire for its SRG upgrade Wink
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