Showing posts with label shoptalk. Show all posts
Showing posts with label shoptalk. Show all posts
Monday, June 15, 2026

Measuring Output Transformer Primary Z with the FNIRSI LC1020E LCR Meter

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For years I had been measuring output transformer primary impedance using an arduous old-school procedure similar to  Uncle Doug's and...
2 comments:
Saturday, February 28, 2026

Stereo Sound Tube Kingdom - Finale!

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 This sad news flew under my radar.  😔 Autumn 2025 = Final issue!
2 comments:
Sunday, January 4, 2026

Welcome 2026!

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A few days before Christmas, I received greetings from two audio buddies, J-Rob and Gary B. , with the above caption taken from  Part 2 of ...
6 comments:
Saturday, March 8, 2025

AliExpress Amorphous SE OPTs + Jean Hiraga and the SE-DHT Amp Revival

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11 comments:
Thursday, July 2, 2020

Reality Check: Musical Instrument Frequency Chart + A Tidbit of Wisdom from Radiotron 3rd Edition

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Musical Instrument Frequency Chart This musical instrument frequency chart should serve as a reality check for those who obsess a...
5 comments:
Thursday, May 14, 2015

Asano, MJ and Stereo Sound Tube Kingdom

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The Bookshelf In the past, I've posted pictures of books and magazines which shaped my audio DIY journey like Sound Practices , ...
Sunday, May 25, 2014

Radiotron Designer's Handbook

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Most of my knowledge in Audio DIY have been gleaned from the Radiotron 3rd Edition. The 4th Edition is just over the top of my head, bu...
Tuesday, April 15, 2014

Sound Practices

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Sample some of the articles at Enjoy the Music!  Contact Joe Roberts on Hifi Haven  to download a complete set ...
4 comments: