Gold mine of DI¥ audio tubes schematics from Japan

[Kay Pirinha]

Yes interesting library Vacuum Tube Manuals : Free Texts : Free Download, Borrow and Streaming : Internet Archive
Have a good time

Oh, how cool this is! Thanks a lot !
Best regards!

 

[JoeAlders]

Yes, a really useful library!!

Thanks Soundhappy for sharing.

 

[hpeter]

May I ask what the 866A in this schematic does? Rectifying DC?

Best regards!

CRUDE CURENT INDICATOR

 

[levia]

Many thanks man! Great work thanks for sharing!

 

[Soundhappy]

Internet Archive: Digital Library of Free & Borrowable Books, Movies, Music & Wayback Machine
Yes is an important knowledge source, make me feel humble
if I think, how the giant work was made by generous peoples
who scanned all this books. Thanks to all Anonymous Hero's !
AmericanRadioHistory.com is another excellent " Gold-mine " Enjoy
RADIO and BROADCAST HISTORY library with thousands of books and magazines
Audio Cyclopedia : Howard M. Tremaine : Free Download, Borrow, and Streaming : Internet Archive

 

[Soundhappy]

Old good day's RCA classic book with plenty chapters about audio amplifications, crossovers , speakers etc.
rca :: Radiotron Designers Handbook 1954 : Free Download, Borrow, and Streaming : Internet Archive

 

[Kay Pirinha]

Yes, Langford-Smith surely is one of the most important and valuable sources in English!
Best regards!

 

[PRR]

Archived image? Here's what I see to the left of the PC monitor. Yes, honest hand-grime. Yes, the "New" Cyclopedia too.

 

[Soundhappy]

HeathkitW3AM : Free Download, Borrow, and Streaming : Internet Archive

 

[Soundhappy]

Heathkit W-6A 70W Audio Amplifier : Free Download, Borrow, and Streaming : Internet Archive

Heathkit W4-AM Williamson Type Amplifier : Free Download, Borrow, and Streaming : Internet Archive

Heathkit W-5M Williamson Type Amplifier : Free Download, Borrow, and Streaming : Internet Archive

 

[Soundhappy]

The_Williamson_Amplifier_-_Williamson_1952 : Free Download, Borrow, and Streaming : Internet Archive

 

[nicoch58]

lucky by dear french we can dream a bit ......waiting the sit

 

[Sorento]

Technical books online

 

[Soundhappy]

Excellent link Sorento!
Thanks a bunch for sharing

 

[Soundhappy]

lucky by dear french we can dream a bit ......waiting the sit

Me too dear Nicoch58 waiting but build meantime other project

 

[Soundhappy]

DIY articles update HOME

 

[Soundhappy]

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[Soundhappy]

Thanks a bunch to Distant Past Old Radio Boy San

どうもありがとうございます
Domo arigato gozaimasu

 

[Soundhappy]

Update DIY articles HOME

 

[Soundhappy]

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