Friends -

DIRECT HEATING would like to inform you that Sakuma-san passed away
on 14th December 2018. He was in the hospital in poor physical condition.
He was 76 years old. His death is too suddenly for all of us.
The restaurant Concorde is CLOSED.

The poetic works of Sakuma are uploaded on YouTube by his daughter.
-->Mia channel

Explore the Wonders of


The society for audiophiles enjoying music through the Sakuma system

We Welcome You.
This home page includes information about Japanese audiophiles, and viewpoints and temptations of another world.

Last Update : 2023/04/10 20:38:07 JST / Your visit since 24 Sep., 1996
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An Introduction to the Sakuma System Audio Philosophy
Please visit our greeting page
Who is Sakuma?
What is the Sakuma Amplifier?
The list of Sakuma's works ((The Lastest up date : August 14 ,2018) Link to KT66 / 845 compatible power amplifier published August 2017
Inside the Sakuma Amplifier
Direct Heating with the Sakuma System.
What is the TWO channel Amplifier?
The building of 845/845 push-pull phono preamp-power amp.
Amplifier Gallery
Vacuum Tube Gallery
Audio Concert
Sakuma's system
Inside the Concorde
About the Oil-damped Tone arm and the DL 102

An Introduction to the Japanese Audiophile

Tamura catalog
Tips and Hints
Book Review
Japanese - English dictionary for amplifier builders (Last update :18/Nov./1996)
Links (Last up date : May 15 2006)
Read this caution before building your Sakuma amplifier
about Copyrights : Copyright Direct Heating 1996

Mail to staff Chairman : Takuji Yamamoto (Japan)

I usually respond within a few days. If you have no reply within one week, please suspect network trouble.