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Old 28th May 2009, 01:34 PM   #1
no183 is offline no183  Malaysia
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Exclamation Amplifier for 6ohm speaker

i have 2 old 6ohm speaker from a condamn hi fi set, now, how do i create a amplifier circuit for that speaker? if possible i want a USB powered amplifier circuit ..any idea guys ?new here, thanks
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Old 28th May 2009, 02:05 PM   #2
no183 is offline no183  Malaysia
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search around and get http://www.techlib.com/electronics/a....html#computer
can this amplifier give an equal quality like VS4121 altec lansing spaker?
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Old 28th May 2009, 02:08 PM   #3
h_a is offline h_a  Europe
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Such a project (amp powered from USB) may be possible if the speakers are very high efficiency (USB cannot deliver much power). For sure not a beginner's project, sorry.

If USB is not strictly necessary, you have many choices

Have fun, Hannes
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Old 28th May 2009, 02:11 PM   #4
no183 is offline no183  Malaysia
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ok, ur idea?? i can consider of that
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Old 29th May 2009, 02:17 PM   #5
no183 is offline no183  Malaysia
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anyone ? please
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Old 29th May 2009, 07:16 PM   #6
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Perhaps you are in the wrong forum for usb expertise.

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Old 29th May 2009, 08:38 PM   #7
juma is offline juma  Germany
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Quote:
Originally posted by no183
anyone ? please
Sorry, but it's a bit absurd - USB gives you 5V and 500 mA - that's hardly enough for decent headamp...
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Old 30th May 2009, 06:52 AM   #8
no183 is offline no183  Malaysia
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just give me a non USB idea also nevermind
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Old 30th May 2009, 09:05 AM   #9
juma is offline juma  Germany
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Quote:
Originally posted by no183
just give me a non USB idea also nevermind
If you want a good answer to your question you have to be more specific:
- what will it be used for?
- what power do you need?
- what is you budget for this project?
- what kind of amp you want, class A, AB, gainclone, tube, solid state...?
The more details you give, the better answer you'll get

Judging from your speaker's description I think gainclones will fit the bill and that's in another section of this forum...
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Old 4th June 2009, 05:20 PM   #10
no183 is offline no183  Malaysia
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i know nothing about amp, can you give me any guide how to determine what i want?
well, just to power a normal desktop speaker, 2 small desktop speaker.
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