"Direct Heating with Sakuma System"

- 845 drive 845 push-pull power amplifier building -
by Susumu Sakuma

Sakuma wrote "Direct Heating with Sakuma System" for "Sound Practice", Issue 13 in 1997. It was based on an article in Japan's largest audio magazine Musen to Jikken in October 1989.
In this newly-written article, Sakuma tried to tell non-MJ subscribers his philosophy both in his amplifier building and poetic writing.

Joe Roberts, head editor of SP, has made excellent layouts through the pages. If I find something missing in them, it is the tone of Sakuma amplifier.

I'd represent the article on DH web page.
I replaced some photos shown in the SP with new photos taken in recently Concorde.