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-   -   Power amp circuit with PrAT wanted (http://www.diyaudio.com/forums/solid-state/167542-power-amp-circuit-prat-wanted.html)

wabun 27th May 2010 04:21 AM

Power amp circuit with PrAT wanted
 
Anyone has any amplifier design which can rival Naim in terms of PrAT ?
wish to construct one for ownself :D

ashok 27th May 2010 05:08 AM

Any specific Naim model ?

Bone 27th May 2010 09:36 AM

PrAT??

Bonsai 27th May 2010 10:27 AM

Pace, Rythm and timing.

Take my advice and don't believe a word of it.

Build a Leach and you will have a really good amplifier.

SY 27th May 2010 10:44 AM

Quote:

Originally Posted by Bone (Post 2199748)
PrAT??

A term made up by (I believe) Martin Colloms. It allows hack writers to sell articles to unethical magazines, as well as helping advertisers like Naim and their dealers to sell overpriced amplifiers.

jez 27th May 2010 12:21 PM

Wouldn't bother with Naim if I were you. Over-rated!

Jen-B 27th May 2010 12:47 PM

Mr wabun,

You can build a Naim…

Naim info:
http://www.acoustica.org.uk/

Naim circuit:
http://www.acoustica.org.uk/t/naim/poweramp_pix/NAP250%20schematic.jpg

More:
http://www.neilmcbride.co.uk/

AndrewT 27th May 2010 12:55 PM

One can build a Naim clone, will the result sound the same as a Naim?
Will it satisfy the listener?

Jen-B 27th May 2010 01:57 PM

Quote:

Originally Posted by AndrewT (Post 2199868)
One can build a Naim clone, will the result sound the same as a Naim?

That's an interesting question Andrew. I guess that circuit layout would be a variable if a non-Naim pcb was used, and also any component substitutions such as PSU caps, etc., would have an influence.

Also, how similar do two Naims sound, given production tolerances?!?

Quote:

Originally Posted by AndrewT (Post 2199868)
Will it satisfy the listener?

With many folks I have a suspicion that it might be influenced by how much money they have saved!

Telstar 27th May 2010 10:06 PM

The ASR Emitter has better PRAT than the Naim top of the line.
Either way, i consider foot-tapping essential in a good system, but the amplifier is NOT the only factor in achieving it.


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