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Old 23rd January 2008, 09:57 PM   #1851
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Default My Latest Project

This is my latest project,I'm still refining some things,better pots,metal film resistors,you know the whole nine yards,the next project will probably have a tube power supply instead of solid state.
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Old 23rd January 2008, 10:01 PM   #1852
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Quote:
Originally posted by Desmo
Here is my first DIY tube project. It's designs from www.triodedick.com The RIAA is the ''phonodude'' and the linestage is the ''Cleo6''.

I have made is as a two box preamp according to the ''clean box'' - ''dirty box'' idea.

The dirty box contains the 3 transformers and the first stages of PS regulation. This box also houses the microprocessor board for the display, remote, volume, balance etc etc unit.

The clean box contains the RIAA and PRE of course, and also the final stages of PS regulation and the relay controlled input selector / volume control. The small circuit boards in the clean box are the 6V and 12V regulators for heater supplies and the PS for the relay boards...

I will upload a few more pics...

Cheers,
Morten
Really nice,good clean lines,nice layout and wiring!!
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Old 24th January 2008, 03:08 AM   #1853
alexw88 is offline alexw88  Hong Kong
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I have posted about my amp at My 12AX7 zero negative feedback preamp, with measurement

But since this is photo gallery so I will post some photos here as well.


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Old 24th January 2008, 10:21 AM   #1854
Serge66 is offline Serge66  Switzerland
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Default My Pride and Joy


Circuit: ultralinear Williamson. Power tubes:7581A/KT66
1%THD at 22W. Wood: solid (10mm thick) Padouk.
Can be improved. Will do so next year, or so.
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Old 24th January 2008, 10:22 AM   #1855
Serge66 is offline Serge66  Switzerland
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Default Another Pix

This one I sold it to a friend.
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Old 29th January 2008, 11:24 AM   #1856
ddd is offline ddd  Bulgaria
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alexw88,
Nice and clean!
The only remark - more solders and connectors along the sound path.
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Old 2nd February 2008, 01:37 AM   #1857
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Default Headphone Amp

My brute force headphone amp built on a computer power supply chassis. Why? Why not... just to see if I could cram it all in there! Sounds great! 12AX7LPS driver, Shuguang KT66 outputs and metal film/polypropylene caps. Output transformerless, CLC power supply with 1200uf total filter caps. Zero extra room on the inside of the chassis... it's "packed like sardines in a crushed tin box!"

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Old 2nd February 2008, 07:09 AM   #1858
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HAHA! Great project! looks VERY cool!

was there really the need for two KT66 to drive the phones? or is that a PP system?
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Old 2nd February 2008, 07:30 AM   #1859
Milen is offline Milen  Bulgaria
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Cycline3, can you give more pics, backward of the box It looks very good with such front panel
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Old 2nd February 2008, 02:26 PM   #1860
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Yes ... way cool!

Looks like all you saved of the PC PS was the case and plug in receptacle, yes?
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