Pro Audio Design Forum

The media and some physicians who support Covid fraud have gone into overdrive to discredit Dr. Richard Bartlett's claim that Budesonide, an inhaled nebulized steroid, is a "silver bullet for the treatment of late stage Covid-19 infection yet we find numerous articles supporting the use of Dexameth...

The TDK CUT35 switcher measures significantly quieter than the internal supply. https://proaudiodesignforum.com/images/jpg/Texar_Hum_Signature_TDK_CUT35_Supply.jpg Texar Audio Prism hum signature using the TDK CUT35 switching power supply. The 240 Hz peak is interesting but overall the unit measure...

A Lesson In Split Power Supply Load Balancing

The story resides here: viewtopic.php?f=12&t=763&p=15586#p15586

Keep DC out of the magnetic circuit...

Once the refurbishment was complete with new PSU caps I decided to listen to the noise floor which is dominated by some nasty hum. The FFTs are not that great. The solution to the source of the hum provides an interesting story and power supply life-lesson. This is the Texar's unmodified FFT: https...

I do think that might be fair to say.

Finding the better ones seems to be a good use of null testing.

This is the report that Dave Hill shared with us on SMT resistor distortion sometime ago: http://www.waynekirkwood.com/images/pdf/SMT_Resistor_Distortion_rev_1_Dave_Hill_Cranesong.pdf It is posted in the thread here: https://proaudiodesignforum.com/forum/php/viewtopic.php?f=6&t=401 https://proaudiod...

Annealing is a tricky process.
That's what makes some SMT resistors very low distortion and others horrible. https://proaudiodesignforum.com/forum/p ... ?f=6&t=401

I just finished refurbishing a pair of the Texar Audio Prisims that I've had "in waiting: since 2015. https://proaudiodesignforum.com/images/jpg/Texar_Front_1.jpg Texar Audio Prisims on the workbench... The first repair I made was back in 2015 to cure "Molexia" intermittents. https://proaudiodesign...

They conspired.

Nashville Officials Concealed Low COVID-19 Numbers Coming From Bars And Restaurants: Leaked Emails Leaked emails between the senior adviser to Nashville's Mayor and a health department official reveal a disturbing effort to conceal extremely low coronavirus cases emanating from bars and restaurants...