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Old 11th October 2008, 10:37 PM   #1
uhcmos is offline uhcmos  China
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Default Headphone Amp:njm4556s Op Amp For Rs1 And Others

large current output op £ºnjm4556s

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Old 12th October 2008, 11:26 AM   #2
lineup is offline lineup  Sweden
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Simple and good hi-fi!
The way I like it.

Did you build that nice looking box yourself?
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Old 14th October 2008, 11:07 AM   #3
uhcmos is offline uhcmos  China
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Quote:
Originally posted by lineup
Simple and good hi-fi!
The way I like it.

Did you build that nice looking box yourself?

no£¬it's finished products
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Old 14th October 2008, 11:40 AM   #4
00940 is online now 00940  Belgium
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no, uhcmos is apparently advertising... as he's currently doing with other things on head-fi: http://www.head-fi.org/forums/f6/lt1...tartup-372049/

The big 5.1uf solen and the njm4556 are probably only there to attract people looking for a clone of the grado RA-1.
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Old 14th October 2008, 03:11 PM   #5
jcx is online now jcx  United States
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in any event I hate to see the wasted effort in putting everything else together and then not spending $2 to output buffer/Jung style multiloop with enough current output to really drive Grados or K701

and layout could be a little better - why put line rectifier up against amp cricutry in such a (relatively) big box?
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Old 15th October 2008, 10:08 AM   #6
uhcmos is offline uhcmos  China
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like amp using battery£¬ no noise at all
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Old 19th October 2008, 07:39 AM   #7
uhcmos is offline uhcmos  China
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solen is all right
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Old 19th October 2008, 08:02 AM   #8
lineup is offline lineup  Sweden
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it is not a bad headphone amplifier
think it will work well

Good the schematic is published .. for do this Your Self (if not buy)
Most members could put together a version of this
... even try to make it better
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