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.

Tuesday, April 18, 2017

The Ultimate 300B Amplifier - Part 2


In part 1 about my interpretation of the ultimate 300B amplifier I showed all the silver transformers and chokes which go into the amp. Here the finished mono blocks.

 Here one mono block, just the signal section:

 The amp looks the same as the first differential 300B amps with copper transformers.

One channel with power supply:

 The whole set of 4 chassis:

Was this worth the effort and many silver parts?

Definitely! These give a ver smooth and detailed sound and improve upon the copper versions.

Ample detail and life like presentation! Come to the High End fair in May and listen to these in room F231e together with the matching ultimate phono and linestage!

Best regards



  1. A class of it's own!

    Wish you all the best for Munich!


  2. Have these finally ended the SE vs PP debate..?

    1. Is there a 'debate' ?
      In my view both are valid concepts