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Old 3rd March 2005, 07:32 PM   #1
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Default any 15-25w super quality amp pcb ?

hi all
i m lookin for a 15-25w high quality amp pcb to use as my pc speakers ... i donno which one has more quality mosfet amps or ic amps ? ... i think the stk series maybe better ... any pcb for a stk amp around 15-25w ?
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Old 3rd March 2005, 08:33 PM   #2
jleaman is offline jleaman  Belgium
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I'm working on one right now want the schematc ? im also going to do a pcb group buy too.

But there also is the aleph -A mini that were working on too.

Interested ?
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Old 3rd March 2005, 10:24 PM   #3
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hi ..
thnx a lot man ,, yeah i need the pcd , i can t change the schematic into a pcb layout :P .. i m very new ... but ONE big problem ...
i cant pay u anythin ... we ( in iran ) have no intenational credit card ... & the international prices is tooooo expensive for me ... :-< ... sorry
i ll be so grateful if u can help me ...
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Old 4th March 2005, 01:09 AM   #4
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What kind of transistors do you have access to?
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Old 4th March 2005, 07:49 AM   #5
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hi
unfortanately a few popular transistors ... but i think i can find stk ics or tip series transistors ...
i have a very good professional series JBL pc speakers ... but now after years .. one of its amp board was blow out , and rear & center speakers don t work any more , i decided to change all of the amps together ( rear / front / center & subwoofer amp ) ..
i hope u can help me , build a high quality amp ...
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Old 4th March 2005, 08:21 AM   #6
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Default Re: any 15-25w super quality amp pcb ?

Quote:
Originally posted by Ahmad_tbp
hi all
i m lookin for a 15-25w high quality amp pcb to use as my pc speakers ... i donno which one has more quality mosfet amps or ic amps ? ... i think the stk series maybe better ... any pcb for a stk amp around 15-25w ?
Can you get IRF540 and IRF9540 or similar MOSFETs? There is a nice simple amp with good description and PCB layout on app note AN-948 on the IR website
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Old 4th March 2005, 11:03 AM   #7
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hey man thnx a lot .. i think i may find them ( i hope ! :P ) ... thnx a lot ,, lemme see if i can find them ... i ll inform u ... thnx.. any idea for subwoofer ?
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Old 4th March 2005, 03:38 PM   #8
JDeV is offline JDeV  South Africa
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Why not build a Gain Clone on veroboard or even easier, point to point? Very simple and high quality sound. That is if you can get some LM3886 or LM3875 IC's.
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Old 4th March 2005, 09:33 PM   #9
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thnx a lot ..
that mosfet amp was great but i don have enough space in my subwoofer to buil 5 of them in put it together in that ... i think it s may better if i use stk seris it so compact ,,, any idea ?
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Old 5th March 2005, 03:00 AM   #10
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I second the gainclone idea. very small, very few components.

not sure you are going to be able to get National Semiconductor parts in Iran though.

http://www.chipamp.com
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