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MitsuDaF20 15th July 2009 12:53 AM

Nelson Pass and N.E.W. Amps?
Don't know if this would be the right forum, so excuse me if here.

I've often read that Nelson Pass had a hand in the design of the N.E.W. amps, but I've never actually seen any confirmation of it true or just a Fairy Tale by someone trying to sell a piece of electronics?

Thanks, Lwood

Nelson Pass 15th July 2009 05:38 AM

The amplifiers are loosely based on the A40 design, but I disavow
connection to the products.


Babowana 17th July 2009 05:21 PM

I can't understand exact role of D3 and R13 in A40 yet.
Limiting max bias current . . . ?


Nelson Pass 17th July 2009 07:53 PM

They set the bias current value. I believe I invented this circuit, and
I note that Sloan presents it without attribution.


Babowana 18th July 2009 02:56 AM

Thanks for the info.

No attribution by Sloan is too bad . . . :xeye: . . . I havn't read his book tho . . .

Yesterday a Korean newspaper reported about the "patent troll", referring to InterDigital and Intellectual Ventures (IV) and patent war fields in IT markets . . . :dead:

Back to the D3 and R13 . . . Dammit . . . my head is still out of focus . . . At present I could see them as a current feedback, at best, vaguely . . . I will try to sweat into focusing.


Babowana 18th July 2009 09:56 AM

Ahhyooo . . . It's to provide two diodes across.



MitsuDaF20 19th July 2009 05:00 PM

Thanks Nelson, that was my guess (or something to that extent) but didn't know for sure...every seller out there has your name all over their ad's.


Nelson Pass 19th July 2009 11:53 PM

The name is the most valuable thing I have.


Zen Mod 20th July 2009 12:18 AM


Originally posted by Nelson Pass
The name is the most valuable thing I have.


In and for public , certainly .

Sneakers are first next thing , I suppose ......

(just because your Reindeers are sorta shy )


Babowana 20th July 2009 12:42 AM

Yeah . . .
We had emphasized the "name values" in the discussions with companies . . . and what should be contents inside . . .


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