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Posts
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Pars last won the day on October 8 2021
Pars had the most liked content!
About Pars
- Birthday 05/16/1954
Profile Information
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Gender
Not Telling
Converted
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Location
Chicago
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Occupation
engineer (telecom mktg)
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Hobbies
golf, music, cycling
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Headphones
Modded Fostex T50RP, Hifiman HE4XX
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Headphone Amps
DynaFET, Gilmore dynamic (headamp v2 PCB), Dynahi, SS Dynalo full size
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Sources
Rotel RCD-855 modified (clocking, discrete output stage) � Rotel RCD-991 THS4031 I/V, AD8599 buffers
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Other Audio Gear
Classe CP50 preamp, Odyssey Stratos poweramp, Von Schweikert VR4 Gen.II speakers
Pars's Achievements

Super Secret Ultra Gold Member (6/6)
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Thanks all! I had a decent day and took it easy.
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Happy Birthday Ari!
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Happy Birthday Shelly! I hope you have a great one!
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Yeah, those should work as long as they are the same footprint as the others.
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I chose 2 x 680uf 500V and 2 x 470uf 550V Kemets for this. I hadn't looked at the 560uf / 550V and might have chosen a pair of those instead.
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Hints on maintaining / improving my Stax SRM-T1S
Pars replied to plaurids's topic in Headphone Amplification
That Irish supplier you linked to is a guaranteed fake. And it is pretty doubtful that the input FETs are bad to begin with. JFETs aren't particularly static sensitive. Unless they've been abused in some fashion, I don't think these are the problem. The 2SK389s could be replaced by pairs of Linear Systems LSK170s. I'm not sure if LSK389s are available, but certainly not in the Toshiba 7-pin package type.- 59 replies
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Agreed. Current post is completely different from the one I remember (as blessingx points out). Strange.
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Hopefully a simple question, but what do you guys recommend for a wood glue for stuff like re-gluing chair spindles, etc.?
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and now for something completely different part 3
Pars replied to kevin gilmore's topic in Do It Yourself
When I was repairing Todd's CFA3, I think I did this, and no, the protector didn't trigger. Also I don't recall much noise in the phones from it either. Probably not the best thing to do, and it has been a while since I worked on this. -
Soltanus Acoustics Euridiche electrostatic headphones
Pars replied to spritzer's topic in Headphones
There are opinions and then there are technical facts. Spritzer used plenty of safe design practices facts (non-earthed chassis panels, improperly spec'd connectors, non-isolated bias close to (non-earthed) panels, etc.). Terming these as "opinions" is disingenuous. The more you argue, the more it appears you have a real hard on for this company, and are acting as a shill. -
It seems if I recall correctly that when he reviewed one of Kevin's estat amps (KGSS, Carbon, I forget) that he didn't set the AP analyzer up correctly, and bristled when Kevin called him out on it.
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Oh, the SINAD crowd... I'll pass. Let me guess, Topping won?
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I'm building a couple of the UGS Muse preamps from the french site homecinema.fr / diyaudio. The only part done on both of the is the processor boards, and yes, it was easy to flash. These do use the 72323 chips (which I haven't bought yet).
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Any experience with the Muses volume controller IC in place of clacking relays?