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Old 2nd April 2012, 03:50 PM   #2321
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Federmann: Very tidy, very neat ... very pro-looking!
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Old 2nd April 2012, 04:38 PM   #2322
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Default SymAsym madness: "AAK" dual-transistor rev. 1.3

Finished this up over the weekend. IMHO, this amplifier sounds more refined in the top end than the stock SymAsym. Possibly due to the JFET input and improved board layout. It's dead quiet and has a very nicely detailed and grain-free treble.

The slim TO-3 SymAsym amp under construction that I posted recently doesn't sound quite so nice, so I'm giving serious thought to changing out the boards for DX's Blame ST or Mk. 2.

-Henry
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File Type: jpg amp2.jpg (206.7 KB, 961 views)
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Old 2nd April 2012, 04:57 PM   #2323
kees52 is offline kees52  Netherlands
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Quote:
Originally Posted by hpasternack View Post
Finished this up over the weekend. IMHO, this amplifier sounds more refined in the top end than the stock SymAsym. Possibly due to the JFET input and improved board layout. It's dead quiet and has a very nicely detailed and grain-free treble.

The slim TO-3 SymAsym amp under construction that I posted recently doesn't sound quite so nice, so I'm giving serious thought to changing out the boards for DX's Blame ST or Mk. 2.

-Henry
This looks better then my project, but afcourse it is in testfase.
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Old 2nd April 2012, 05:05 PM   #2324
perys is offline perys  Czech Republic
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kees52: TRUE DIY!
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Old 2nd April 2012, 05:18 PM   #2325
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Show here your own magic work, Perys....
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Old 2nd April 2012, 05:41 PM   #2326
perys is offline perys  Czech Republic
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I did... please see link at previous page (my Federmann's HQQF)
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Old 2nd April 2012, 06:14 PM   #2327
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Old 4th April 2012, 09:37 PM   #2328
lubo28 is offline lubo28  Slovakia
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Quote:
Originally Posted by FastEddy View Post
Federmann: Very tidy, very neat ... very pro-looking!
We have very interesting company in Slovakia, Quickpanel. Your layout is manufactured on CNC with aditional anodize oxidation and engraving.
QuickPanel - Frontpanely na mieru, prístrojové panely, čelné panely, hliníkové panely
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Old 5th April 2012, 11:12 AM   #2329
kees52 is offline kees52  Netherlands
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Originally Posted by perys View Post
kees52: TRUE DIY!

Haha yehh thanks, but see how nice the 20 Khz blockwave.

first without and next with 3 way loudspeakerfilter with 8 ohm balast resistors, it keep stable, so the mess have good results and ready for pcb,ing, sound is fantastic and I can use a lot of different tubes with and without feedback for testing..

So I hope to put here something soon for U to build.
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File Type: jpg 10012008054.jpg (817.4 KB, 117 views)

Last edited by kees52; 5th April 2012 at 11:23 AM.
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Old 5th April 2012, 12:15 PM   #2330
perys is offline perys  Czech Republic
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kees52: build it for your pleasure - I like it just as posted: naked, narrow, open, with very nice 20kHz square!
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