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Old 7th November 2011, 10:08 AM   #2051
AndrewT is offline AndrewT  Scotland
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Shah,
what is the purpose of this?
Quote:
1,907px 1,066px
Apex,
what is the purpose of re-posting the same pics?
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Old 8th November 2011, 12:07 PM   #2052
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Default Your post 2045 Sakis... is this a Class D amplifier?

A class D amplifier based in 555 Ic?

Nice.

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Carlos
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Old 8th November 2011, 07:46 PM   #2053
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Default Pfm The L@st V2

now, fitted with ultimate output transformers 'n' K75-10 capacitors...

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Old 9th November 2011, 12:57 AM   #2054
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Default Jfet BOZ so far

Click the image to open in full size.


Jfet Boz so far... just need to add alps pot, filter caps, 2x nine volt batteries, and rca jacks, case & knob too.
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Old 9th November 2011, 06:54 AM   #2055
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Nice. How does those Valab caps sound?
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Old 9th November 2011, 01:24 PM   #2056
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I haven't finished the build yet. They're PIO caps, they should sound great.
I'll keep you posted when I've completed the build.
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Old 10th November 2011, 07:34 PM   #2057
osscar is offline osscar  Latvia
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This is my version of the OBH 8SE Phono amp:
electrolytic capacitors in signal path replaced with film-type capacitors;
Power supply based on LM 317 but with batteries sounds little better for me.
Overall I am satisfied with the sound - i like it - it sounds more detailed then my Pacific style RIAA because the THD is lower, i think so.

inside:
Click the image to open in full size.

Back panel (i still use old TT with DIN connector-do not want to damage the original TT)
Click the image to open in full size.

front (with Leach amp)
Click the image to open in full size.
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Old 12th November 2011, 01:48 PM   #2058
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Thumbs up My new integrated amp!

Here some pictures of my new integrated amp. The design is from HDamplifier.com. This is my second time that I order from them. The first time I build the T300 and now is the M400. the offset I get is 1.7 mv Left channel and 1.8 mv Right channel. The sound is very nice,I am using the chassis as a heat sink, it gets warm and if I push it..it get a little hot. I will put external heat sinks in the future. I am happy with the results!!! Excellent kits.

By the way, the whole chassis is aluminum and the side is really thick, but as I said before, I will put external heat sink in the near future.
Attached Images
File Type: jpg IMG_3677.jpg (538.6 KB, 393 views)
File Type: jpg IMG_3678.jpg (430.7 KB, 415 views)
File Type: jpg IMG_3679.jpg (418.4 KB, 271 views)
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File Type: jpg IMG_3684.jpg (601.5 KB, 127 views)
File Type: jpg IMG_3687.jpg (363.1 KB, 93 views)
File Type: jpg loss%20noise%20pcb.jpg (134.2 KB, 198 views)
File Type: jpg M400%20amp.jpg (363.2 KB, 421 views)

Last edited by lanchile; 12th November 2011 at 01:55 PM.
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Old 12th November 2011, 04:18 PM   #2059
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How long to land a scottish complaint???
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Old 12th November 2011, 05:58 PM   #2060
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Quote:
Originally Posted by lanchile View Post
Here some pictures of my new integrated amp. The design is from HDamplifier.com. This is my second time that I order from them. The first time I build the T300 and now is the M400. the offset I get is 1.7 mv Left channel and 1.8 mv Right channel. The sound is very nice,I am using the chassis as a heat sink, it gets warm and if I push it..it get a little hot. I will put external heat sinks in the future. I am happy with the results!!! Excellent kits.

By the way, the whole chassis is aluminum and the side is really thick, but as I said before, I will put external heat sink in the near future.

replace the wiring of the pot .... to close to the trafo it will pick up something there i think .... go for shielded cables .....
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