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5th August 2008, 01:00 AM
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#1 |
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diyAudio Member
Join Date: Mar 2003
Location: BEIJING
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gc block,lm3886 inverting
I made them for my synth keyboard.
for the music instrument,I want the device small,easy socket,easy carry.so the block is 6.5mm stereo input and output.alum casing for heatsink. zang |
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5th August 2008, 01:01 AM
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#2 |
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diyAudio Member
Join Date: Mar 2003
Location: BEIJING
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another one.
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5th August 2008, 01:05 AM
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#3 |
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diyAudio Member
Join Date: Mar 2003
Location: BEIJING
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rear.
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5th August 2008, 03:32 AM
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#4 |
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diyAudio Member
Join Date: Aug 2006
Location: Chennai, India
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How about heat sink temperature rise with normal use?
I personally feel the heatsink is too small for 2 Lm3886s, unless you put a small cooling fan.
__________________
. . .. ... ..... ........ ............. ..................... .................................. My Best LM3886 PCB layout 
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5th August 2008, 06:35 AM
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#5 |
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diyAudio Member
Join Date: Mar 2003
Location: BEIJING
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the heatsink install on the aluminium chassis.the temperature is usually around 40 degree.I can touch the sink.
P.S. The power supply is 2*18VAC.the loudspeaker is 6 ohm. |
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6th August 2008, 09:42 AM
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#7 |
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diyAudio Member
Join Date: Mar 2003
Location: BEIJING
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i think it is under 60 degree
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