This is Thomas Mayer's blog about vacuum tube audio.
Concepts, ideas, unusual circuits and tubes, directly heated triodes, LCR RIAA EQ. Circuits with favorite tubes: EC8020, E55L, D3a, 851, 849, 845, 841, 801A, 866A, 211, 45, 46, 26, 10Y, UX201A, 6A6, 6AH4, 6AM4, 6AX4, 6BY5, 6CB5A, 6CG3, 6HS5, 6HV5A, 6J5, 6N7, 6SC7, 6SF5
DISCLAIMER: Vacuum tube circuits work with dangerously high voltages. Do not attempt to build circuits presented on this site if you do not have the required experience and skills to work with such voltages. I assume no responsibility whatsoever for any damage caused by the usage of my circuits.
All rights of photos and text reserved. Usage of photos or text from my blog on other websites or for any other purpose only with prior permission. If you want to use any material from my blog please contact me by email.
Saturday, November 22, 2014
Live from Berlin : ETF 2014 - Part 12
Another visit to one of the most relaxing rooms at the ETF.
This time with a video clip of the Altec duplex driver in the red baffle: