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Chip Amps Amplifiers based on integrated circuits

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Old 10th January 2013, 12:24 PM   #2331
pinkugkc is offline pinkugkc  India
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LOOK VERY NICE
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Old 10th January 2013, 01:08 PM   #2332
AudioSan is offline AudioSan  Norway
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about 6W peak at 4ohm? about 1.5W rms at 8ohm.
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Old 10th January 2013, 06:17 PM   #2333
lmaurits is offline lmaurits  Australia
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Thanks, pinkugkc.

AudioSan, yes, the 6W is peak, obviously continuous power is much lower. But with sensitive speakers 1.5W is more than loud enough for domestic listening. I don't think I'd ever turn the volume on this past the half way point, since I live in an apartment building and have neighbours to be considerate of.
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Old 11th January 2013, 01:44 AM   #2334
AudioSan is offline AudioSan  Norway
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ofcource. with 98db sensitivity it will be loud no dobdt. but it will have a hugh lack of headroom. you will loose control(power) allready at about 90db.
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Old 11th January 2013, 02:48 AM   #2335
lmaurits is offline lmaurits  Australia
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That is true. It will not fare well trying to play very dynamic music at loud volume. But it's not without its uses. I might build something a little more powerful for a future project, but I found this a great introduction to chip amping.
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Old 11th January 2013, 11:18 AM   #2336
Rishijaiswal is offline Rishijaiswal
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Default My LM1875 Amp in Teak wood case

This is my first attempt at a DIY amplifier. This is a LM1875 based stereo amp.
The case is made with teak wood. The top and bottom are not yet finished. The sound is just amazing!
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Old 11th January 2013, 09:11 PM   #2337
dziegma is offline dziegma
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Hi, pictures of my Integrated GC below
Attached Images
File Type: jpg IMG_0805.jpg (159.7 KB, 1476 views)
File Type: jpg IMG_0834.jpg (181.7 KB, 1436 views)
File Type: jpg IMG_0786.jpg (114.3 KB, 1409 views)
File Type: jpg IMG_0788.jpg (170.8 KB, 1391 views)
File Type: jpg IMG_0790.jpg (148.5 KB, 1361 views)
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Old 11th January 2013, 09:14 PM   #2338
osscar is offline osscar  Latvia
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i like it - very nice!
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My DIY so far: two Leach amps, Pass AB100, Pass F5, B1 buffer, Hiraga le monstre, two LM3875, LM1875, OPA549, 6C33C SE, GU32 PP, 6p3c-e PP, Marsh headphone amp.Phono - OBH-8se, Pacific RIAA, inDiscreet Phono, Whammy headphone amp.
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Old 18th January 2013, 07:48 AM   #2339
markpw is offline markpw
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Talking LM3886 Stereo Amp DIY

My recent project. Using a pair of LM3886 amp chip from National Semiconductor. The reference circuit is simple enough. I built two and put them in a compact case.

Single channel:
Click the image to open in full size.

Stereo:
Click the image to open in full size.

Put together:
Click the image to open in full size.

Case closed:
Click the image to open in full size.

Playing with my modified X-10D:
Click the image to open in full size.
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Old 18th January 2013, 07:54 AM   #2340
Mooly is offline Mooly  United Kingdom
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Chip Amp Photo Gallery

Moved from tubes to chip amp forum
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