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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.
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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.

https://www.tubecad.com/2009/09/blog0170.htm
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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. https://www.diyaudio.com/forums/showthread.php?t=42259

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

I think this design just made my bucket list.
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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

https://www.pimmlabs.com/

Cool site.

There are a couple of SS transformer amps.

All of them look cool to me.
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Old

Transformers

Posted 31st August 2009 at 12:35 AM by DougL
Updated 31st August 2009 at 05:51 AM by DougL
https://www.diyaudio.com/forums/showt...52#post1910252
Bud is very enlightening.
Its a joy to have him comment positively about several companies.
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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.

https://www.diyaudio.com/forums/showthread.php?t=148694
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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.

https://www.diyaudio.com/forums/showthread.php?t=80194

Looking at a B1 buffered Lightspeed.
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