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Old

Beast with a Thousand JFETs

Posted 28th September 2009 at 06:17 PM by DougL

Quote:
Originally Posted by Nelson Pass View Post
Jam called me up and asked if I have ever paralleled up a
bunch of 2SK170's and 2SJ74's to make a power output
stage.

I guess it's time to unveil the Beast with a Thousand JFETs.

Here's the first teaser, a circuit panel to hold 588 JFETs and
associated resistors.
What can I say. Its a pleasure to see a master at work.
diyAudio Member
Views 681 Comments 0 DougL is offline
Old

Tube Cad Jurnal Interesting Items

Posted 9th September 2009 at 03:59 PM by DougL

In John's TCJ Blog He featured the Logitech power supplies For Duet and Squeezebox.

Since I have an SB3 and have been thinking of upgrading the power supply, this is a great source of inspiration to me.

http://www.tubecad.com/2009/09/blog0170.htm
diyAudio Member
Views 1114 Comments 2 DougL is offline
Old

Zero Feedback Impedance Amplifiers

Posted 2nd September 2009 at 04:15 PM by DougL
Updated 2nd September 2009 at 05:52 PM by DougL

This amplifier is also an example of original thinking. http://www.diyaudio.com/forums/solid-state/42259-zero-feedback-impedance-amplifiers.html

For anyone interested, here is the URL to the Amplifier.
http://www.audiophonics.com/audiophonics-zeus-about.html

I think this design just made my bucket list.
diyAudio Member
Views 754 Comments 1 DougL is offline
Old

SS Tabor

Posted 1st September 2009 at 02:00 AM by DougL

Someone was discussing a SS version of a tube amp. Look for SS Tabor

http://www.pimmlabs.com/

Cool site.

There are a couple of SS transformer amps.

All of them look cool to me.
diyAudio Member
Views 757 Comments 0 DougL is offline
Old

Transformers

Posted 31st August 2009 at 12:35 AM by DougL
Updated 31st August 2009 at 05:51 AM by DougL

http://www.diyaudio.com/forums/showt...52#post1910252
Bud is very enlightening.
Its a joy to have him comment positively about several companies.
diyAudio Member
Views 650 Comments 1 DougL is offline
Old

Tubelab PP

Posted 28th August 2009 at 01:35 AM by DougL
Updated 31st August 2009 at 05:52 AM by DougL

Here is an example of engineering I admire.

http://www.diyaudio.com/forums/tubelab/148694-tubelab-simple-p-p.html
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Views 536 Comments 0 DougL is offline
Old

Blog for Doug Lockwood

Posted 28th August 2009 at 01:04 AM by DougL
Updated 31st August 2009 at 05:53 AM by DougL

I am going to use my blog to document threads that I am interested in.

This caught my interest.

http://www.diyaudio.com/forums/analog-line-level/80194-lightspeed-attenuator-new-passive-preamp.html

Looking at a B1 buffered Lightspeed.
diyAudio Member
Views 908 Comments 1 DougL is offline
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