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-   -   my gilmore class A amp (http://www.diyaudio.com/forums/headphone-systems/211686-my-gilmore-class-amp.html)

won43113 28th April 2012 11:14 AM

my gilmore class A amp
 
3 Attachment(s)
This is a amplifer desined by Kelvin Gilmore in headwize's article. I made it myself last month. It used 2SK170/2SJ74 in place of 2SK389/2SJ109. Sounds very exellent. very comfortable and smooth. more wide more airy. I love it. It's one of the best in my DIY headphone amp collection.^^

Jenyok 15th May 2012 03:34 PM

Where could We see schemes of this devices ?

Avro Arrow 15th May 2012 04:41 PM

I believe it's based on this.

Stixx 16th May 2012 07:45 AM

Quote:

Where could We see schemes of this devices ?
and here... HeadWize - Project: A Pure Class A Dynamic Headphone Amplifier by Kevin Gilmore

RNMarsh 19th May 2012 01:47 AM

K. Gilmore's electrostatic headphone amp looks great. Are pcb available - bare or stuffed?

Telstar 20th May 2012 12:09 PM

Quote:

Originally Posted by RNMarsh (Post 3028768)
K. Gilmore's electrostatic headphone amp looks great. Are pcb available - bare or stuffed?

I think there are no more pcbs avail from AMB, only two commercial versions fully built.

endia 20th May 2012 05:21 PM

RNMarsh, i have 1 set of dynahi pcbs (2 amp and 1 ps pcb) never populated.. if you interest pm please, thanks..

Avro Arrow 20th May 2012 07:43 PM

Quote:

Originally Posted by RNMarsh (Post 3028768)
K. Gilmore's electrostatic headphone amp looks great. Are pcb available - bare or stuffed?

You can find the designer here.

dirkwright 20th May 2012 09:01 PM

All those paralleled small signal output transistors could have been replaced with just a pair of BD139/140.

Telstar 20th May 2012 09:02 PM

Quote:

Originally Posted by dirkwright (Post 3030716)
All those paralleled small signal output transistors could have been replaced with just a pair of BD139/140.

And they would sound better IYO? :rolleyes:


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