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tadiam 5th May 2007 04:34 PM

diyers amp help
I want an diy solution
I build some amps…….rotel clone …naim clone…..gainclones….doz more dozs….monster and much more others ….but im the final of road the sound no not is good for me…
Diyers heve an good amp for my POLK LS70 speakers…only quality and more of 20w of power.


peufeu 6th May 2007 08:37 AM

Maybe you should try another CD player, or preamp, or speakers ?

Bring your amp to a shop, pretend you are here to listen and buy new speakers, and listen to your amp with other gear... Thay way you'll know.

PS : if it's too scary looking, maybe don't :D

tadiam 6th May 2007 11:45 AM

ok thanks
the sound not is bad but no have definition.....i no use preamp

AndrewT 6th May 2007 12:02 PM


i no use preamp
how do you adjust the volume?
What equipment feeds the power amp?
Is your speaker working correctly?

Nordic 6th May 2007 12:03 PM

Absolutely, some amps are just dead in the water with no active pre... some will sound great with just a nice source...

tadiam 6th May 2007 02:29 PM

An 10k pot in the input and the equipment is:
Nad tuner
Nakamichi tape deck and CD too an st2 tuner

i buy new the speakers and have not use...this is my second sistem....i too use an monitor speakers and the sound is similar but less bass...ok
currentely listen radio

ppa 7th May 2007 08:28 PM

Why don't you build a simple pre with an opamp ?

tadiam 8th May 2007 12:13 PM

i no want put other device in the signal travel.

MikeB 8th May 2007 08:50 PM

You might try my symasym, it's quite happy without preamp...
Click my www.


tadiam 9th May 2007 12:06 PM

i go build this....

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