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Old 15th July 2011, 08:31 PM   #1841
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me like case too.

good job on that build.
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Old 16th July 2011, 11:27 AM   #1842
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Quote:
Originally Posted by Pato666 View Post
Very nice and clean design, how does it sound? HAve you thought to add more caps to power supply or that design just fits your needs just the way it is?

(it seems like a dummy question LOL, sorry... )

Thanks for the feedback!
The sound is really amazing. Very crisp and detailed, but I feel it lacks a little bit of the deep bass, so yes, I have already ordered 1000uF caps for the rectifier. Not a dummy question at all, I just read about it yesterday

tommy_o: The casing is from RS electronics. RS partnr. 147-0163. The manufacturer is Fischer (pn: G 113 ME). I spray painted it in matte black.

BTW, can anyone recommend a simple DIY preamp with input selectors? I see most people use tubes, is that the easiest way? I am not really an expert in electronics, so it can't be too complex.
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Old 16th July 2011, 02:05 PM   #1843
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Quote:
Originally Posted by erikindre View Post
Thanks for the feedback!
The sound is really amazing. Very crisp and detailed, but I feel it lacks a little bit of the deep bass, so yes, I have already ordered 1000uF caps for the rectifier. Not a dummy question at all, I just read about it yesterday

tommy_o: The casing is from RS electronics. RS partnr. 147-0163. The manufacturer is Fischer (pn: G 113 ME). I spray painted it in matte black.

BTW, can anyone recommend a simple DIY preamp with input selectors? I see most people use tubes, is that the easiest way? I am not really an expert in electronics, so it can't be too complex.
Sorry, i mixed up the casings. This casing is actually RS partnr. 224-004. It is RS electronics own brand. As I said I paited it, since the original 2 colors aren't very nice.
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Old 16th July 2011, 10:42 PM   #1844
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Default Two years on...

I've finally got around to finishing my Peter Daniel's LM3875 amp. I completed the metal work two years ago and didn't feel the need to add the wooden bits until now. A few bits of MDF, birds eye maple veneer and some wax. A couple of hours each evening over a week and hey presto.

Click the image to open in full size.Click the image to open in full size.

cheers

Jeff
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Old 17th July 2011, 12:34 AM   #1845
bbm3 is offline bbm3  United States
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Nice looking amp Jeff.
May we have a look under the hood? (Bonnet)

Cheers,
BB
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Old 17th July 2011, 12:47 AM   #1846
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Quote:
Originally Posted by erikindre View Post
BTW, can anyone recommend a simple DIY preamp with input selectors?
ob disc: I'm one of the developers of this. but give it a look, anyway (lol): The α10 Stereo Pre-amplifier

it has input selectors as well as volume control (relay r/2r stepped style using latching relays but later will have PGA chip support). all DIY and all buildable using thru-hole parts, so if you can solder, I think you can do it. (mods: if this is out of line, I will gladly delete this post of mine.)
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Old 17th July 2011, 12:55 AM   #1847
troystg is offline troystg  United States
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Quote:
Originally Posted by linuxworks View Post
....(mods: if this is out of line, I will gladly delete this post of mine.)
Someone asked and you replied.. As long as the thread stays focused and on topic I'm sure we all agree that seeing something new / different is good.

Nice pre btw....
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Old 17th July 2011, 09:56 AM   #1848
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Default slight return...

Quote:
Originally Posted by bbm3 View Post
Nice looking amp Jeff.
May we have a look under the hood? (Bonnet)

Cheers,
BB
No big deal, I posted this picture two years ago (pre-wood!) but I guess I can be forgiven for showing it again.

Click the image to open in full size.

Having revisited this amp for the side panels its got me thinking about tweeking. Nothing too drastic because it sounds very nice to me (if it ain't broke...) but would a step attenuator add anything to mix?
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Old 17th July 2011, 03:52 PM   #1849
bcmbob is offline bcmbob  United States
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For those of you who are not watching the MyRef-C thread, here's a link to an ongoing project I started some months ago. As stated in the thread, if you see a potential problem or have suggestions, Please feel free to post.

MyRefC build guide
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Old 21st July 2011, 04:46 PM   #1850
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Quote:
Originally Posted by erikindre View Post
BTW, can anyone recommend a simple DIY preamp with input selectors? I see most people use tubes, is that the easiest way? I am not really an expert in electronics, so it can't be too complex.
Pass B1 buffer looks to be a simple project. Lots of people like it, and lots of people tweak it.
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