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Old 4th November 2012, 11:36 PM   #2241
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Quote:
Originally Posted by redjr View Post
Nice looking amp and construction. Do you have a link for the enclosure. It looks familiar, but I haven't seen that switch assembly before, and was wondering if it came with the case?
Might be from these guys?
They look like decent quality enclosures at a quite reasonable price.
I have not ordered from them yet, but the next amp I build, I will be trying them.
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Old 5th November 2012, 03:12 AM   #2242
redjr is offline redjr  United States
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Originally Posted by Scratchy View Post
Might be from these guys?
They look like decent quality enclosures at a quite reasonable price.
I have not ordered from them yet, but the next amp I build, I will be trying them.
That vendor is VT4C Studio. I've purchased from them before and they have some nice, quality made parts. Shipping seems fairly priced and quick too.

Rick
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Old 5th November 2012, 04:56 AM   #2243
osscar is offline osscar  Latvia
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tnx,
here is link for enclosures:

2107 Full Aluminum Power Amplifier Enclosure Headphone Amp Preamp Case DIY | eBay
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Old 5th November 2012, 06:32 AM   #2244
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Originally Posted by redjr View Post
That vendor is VT4C Studio. I've purchased from them before and they have some nice, quality made parts. Shipping seems fairly priced and quick too.

Rick
Looks darn good and very cheap.
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Old 5th November 2012, 09:54 AM   #2245
AndrewT is offline AndrewT  Scotland
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and they do another @ ~ 3times the internal volume that also looks like good value. All aluminium and both sizes include heatsinks.

Full aluminum Power amp Enclosure Case ?W:320mm X H:90mm X D:300mm?
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Old 5th November 2012, 11:06 AM   #2246
redjr is offline redjr  United States
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Originally Posted by osscar View Post
I can vouch for this website run by along. I've bought many enclosures/cases from him too. I've been using him for a long time, and his prices are fair, although shipping is high. He will gladly combine shipping on multiple items and/or ship DHL if requested. It's a lot quicker than the normal China post!

Rick
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Old 5th November 2012, 11:30 AM   #2247
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Originally Posted by osscar View Post
How thick is the bottom plate?
I suppose it's fixed to the heatsinks only, and so , it needs to be rigid enough to stand a transformer without bending?
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Old 5th November 2012, 12:19 PM   #2248
osscar is offline osscar  Latvia
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I did not measure the plate but it looks like 1.5 mm - 2 mm thick. It does not bend from the weight of the transformer.
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Old 9th November 2012, 04:01 AM   #2249
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my tpa3122 stereo mode.
I'm currently assembling the BTL version for 40W subwoofer.
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File Type: jpg tpa3122_pcb3_606x600.jpg (57.2 KB, 1100 views)
File Type: jpg tpa3122_pcb4_676x600.jpg (58.6 KB, 1080 views)
File Type: jpg tpa3122_pcb5_784x600.jpg (67.7 KB, 1053 views)
File Type: jpg tpa3122_pcb7_645x600.jpg (55.7 KB, 1027 views)
File Type: jpg tpa3122_pcb8_743x600.jpg (68.5 KB, 124 views)
File Type: jpg tpa3122_pcb9_690x600.jpg (66.8 KB, 103 views)
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Old 10th November 2012, 06:09 PM   #2250
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Default My LM3875

Here is my Chipamp. I started off with Peter Daniels LM3875 premium kit. I added a rack mountable chassis, large 0,7c/w heat sinks, EMI filter, Neutrik RCA's, binding posts, 400va 24v toroids.

Low DC offset of 8 and 16mv, no hum, the amp is quiet and stays cool.

Sound is very good, detailed, open. Good bass too.

Since I am not an engineer (just a middle aged newbie hobbyist ), I am very happy with the result.

Michael

My Project page
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