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Old 16th February 2013, 05:48 PM   #2371
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Quote:
Originally Posted by maillard View Post
Despite the holes I have made under and over the heatsinks, the temperature grows rather rapidly in the enclosure. I will have to change the back plate layout so that I can have the heatsinks outside.
You should consider to add holes above and below the transformers, too.
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Old 17th February 2013, 01:15 AM   #2372
bbm3 is offline bbm3  United States
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Originally Posted by portreathbeach View Post
I know I've already posted a pic of my LM4780 chip amp and power supply, but I couldn't resist posting a couple of pics of my DAC/Pre amp I've just finished coupled with my LM4780 amp:

Click the image to open in full size.

The DAC/Pre amp with IR reciver, motorized pot controlling a Lightspeed Attenuator and channel selector/mute on the left knob using a rotary encoder. All controlled by a PIC16F690 microprocessor.

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Fits in very nicely with my original PSU and chipamp
Simply Beautiful !!
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Old 18th February 2013, 03:47 PM   #2373
JonGain is offline JonGain  United States
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Click the image to open in full size.


still allot to do......
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Old 18th February 2013, 07:34 PM   #2374
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Thanks BBM3, it's taken a while, but I'm very happy with the resulting look and sound
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Old 2nd March 2013, 05:24 PM   #2375
mravlca is offline mravlca  Slovenia
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Default BUF634 headphone amplifier

My headphone amplifier based on BUF634T, the PCB is designed as dual mono but I am using it as stereo. I the near future I will replace this LM317/337 regulator with tracking preregulator based on Linear technology LT's, that is why the wiring isn't done so well.
For the casing I have used old PCBs and two aluminum profiles from other casing. RCAs and headphone jack are from Neutrik, volume button and rhodium IEC are from ebay. I really like it visualy and sonicaly, sound is very neutral with lots of dynamics and really goes well with mine HD598.

Best Regards,
Ales
Attached Images
File Type: jpg BUF634_1.JPG (312.1 KB, 1367 views)
File Type: jpg BUF634_2.JPG (354.1 KB, 1339 views)
File Type: jpg BUF634_3.JPG (365.8 KB, 540 views)
File Type: jpg BUF634_4.JPG (230.5 KB, 424 views)
File Type: jpg BUF634_5.JPG (234.6 KB, 297 views)
File Type: jpg BUF634_6.JPG (302.1 KB, 320 views)
File Type: jpg BUF634_7.JPG (297.8 KB, 299 views)
File Type: jpg BUF634_8.JPG (345.6 KB, 419 views)
File Type: jpg BUF634_9.JPG (272.9 KB, 417 views)
File Type: jpg BUF634_10.JPG (270.9 KB, 287 views)

Last edited by mravlca; 2nd March 2013 at 05:32 PM.
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Old 2nd March 2013, 05:25 PM   #2376
JonGain is offline JonGain  United States
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love it!
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Old 2nd March 2013, 05:34 PM   #2377
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Interesting use of old PCBs!
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Old 2nd March 2013, 05:48 PM   #2378
osscar is offline osscar  Latvia
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very original - i like it!
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Old 2nd March 2013, 10:50 PM   #2379
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That is one I wouldn't of thought of.
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Old 3rd March 2013, 01:48 PM   #2380
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Quote:
Originally Posted by mravlca View Post
...
For the casing I have used old PCBs and two aluminum profiles from other casing.
...
Wow - very creative case construction. I really like it!
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