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Old 17th August 2017, 02:00 AM   #1
Soundhappy is offline Soundhappy  France
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Default ***** Gold mine of DIĄ audio tubes schematics from Japan *****

Lucky i was to see such extraordinary DIY projects archive with vacuum tubes i share this treasure with all forum members.
Infinite THANKS for hobby amateurs in Japan who patiently scan this MJ magazine articles over the years.
Every month we get new ones available on line in pdf format
lot's of OTL amplifiers , Sakuma San articles
Et cetera

Please enjoy & respect this precious library

click on direct download link Schematics Treasures

and menu and titles Google Traduction version in english

どうもありがとうございます
Domo arigato gozaimasu
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Last edited by Soundhappy; 20th August 2017 at 05:02 PM.
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Old 17th August 2017, 06:01 AM   #2
Zen Mod is online now Zen Mod  Serbia
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Old 17th August 2017, 10:40 AM   #3
bondini is offline bondini  Australia
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Many thanks!
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Old 17th August 2017, 10:50 AM   #4
Soundhappy is offline Soundhappy  France
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One example of diy ECC88 headphone amplifier documentation.
Or interesting 211 triode 18 watts power amplifier link :
MJ1704_(03)211-single-power-amp_SoyaS.pdf - Google Drive
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Old 17th August 2017, 12:33 PM   #5
Soundhappy is offline Soundhappy  France
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and venerable Sakuma Sensei topology with 845 + 211 triodes and interstages transformers

http://www43.tok2.com/home/kirifuri/...mp_SakumaS.pdf

Have a nice day
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Old 17th August 2017, 02:14 PM   #6
JoeAlders is offline JoeAlders  Netherlands
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It is indeed a GOLD MINE !! Thanks Soundhappy
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Old 17th August 2017, 03:07 PM   #7
kevinkr is offline kevinkr  United States
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I have some of the magazines, and have always enjoyed looking at the photographs, graphs and schematics. I wish Japanese was not so hard to translate, the few times I have attempted machine translation I got largely gibberish in return.

Fun stuff to look at, and leaves you wondering why they are able to support such a magazine in Japan and no longer in the West, the cultural/educational divide in many ways is larger than we perhaps appreciate. Audio hobby magazines of this quality have not existed here in the U.S. since the about the late 1960s. (Audio Amateur and its successors, along with VTV and Sound Practices were maybe the last vestiges, but were tiny in comparison.)
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Old 17th August 2017, 06:04 PM   #8
hpeter is offline hpeter  Slovakia
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Quote:
Originally Posted by Soundhappy View Post
One example of diy ECC88 headphone amplifier documentation.
Or interesting 211 triode 18 watts power amplifier link :
MJ1704_(03)211-single-power-amp_SoyaS.pdf - Google Drive
i like small tube spud, with opt.
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Old 17th August 2017, 08:49 PM   #9
Soundhappy is offline Soundhappy  France
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Quote:
Originally Posted by hpeter View Post
i like small tube spud, with opt.
Great ! Me like big triodes spud and 300 B OTL amp

r-tec1502_(2)211-845-single-power-amp-and-VT52-drive-amp_AnamizuT.pdf - Google Drive

http://www43.tok2.com/home/kirifuri/...amp_TannoT.pdf

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Many thanks!
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Originally Posted by JoeAlders View Post
It is indeed a GOLD MINE !! Thanks Soundhappy
All my gratitude to OLD RADIO BOY for his fantastic titanesque work
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Old 17th August 2017, 09:27 PM   #10
Soundhappy is offline Soundhappy  France
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Quote:
Originally Posted by kevinkr View Post
I have some of the magazines, and have always enjoyed looking at the photographs, graphs and schematics. I wish Japanese was not so hard to translate, the few times I have attempted machine translation I got largely gibberish in return.

Fun stuff to look at, and leaves you wondering why they are able to support such a magazine in Japan and no longer in the West, the cultural/educational divide in many ways is larger than we perhaps appreciate. Audio hobby magazines of this quality have not existed here in the U.S. since the about the late 1960s. (Audio Amateur and its successors, along with VTV and Sound Practices were maybe the last vestiges, but were tiny in comparison.)
In the 70's ,80's and 90's France have L'Audiophile DiY magazine:

index

index

Best regards
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