Gold mine of DI¥ audio tubes schematics from Japan

[Soundhappy]

DIY schematics update HOME

 

[analog_sa]

Thank you!

You don't come across a 6C33C pre every day. Especially with hidden, horizontally positioned valves and forced cooling. Just nuts 🙂

 

[dady]

The last one is from Nobu Shishido founder of Wawac amps, sadly disappeared early.

 

[RajkoM]

Beautiful thread Soundhappy, thanks. Japanese DIYers are really unbeatable.

Analog_sa,
really very, very interesting preamp with 6C33C. That could only have occurred to the Japanese 🙂)
I cool my 6C33C tubes (SET in my weekend house) with one 12V 8x8cm fan (LM317 fan control and 8V for the fan is enough to cool and be nonaudible). But I only cool sockets of 6C33C under plate. Trust me, that's enough.
Just for info

 

[Soundhappy]

Thanks RajkoM and Diyers for kind words, interesting links and great thread contributions
遠い昔のラジオ少年 HOME

 

[Soundhappy]

DIY articles updates HOME

 

[Soundhappy]

+

 

[Soundhappy]

DIY articles update HOME

 

[astouffer]

What is going on with that 715C/4B38 amplifier? It's one chassis but with two different tubes? MJ^9506_(07)715Cs-4B38s-2ch-amp_SakumaS.pdf - Google Drive

 

[Soundhappy]

@ Astouffer

Two different outputs for bi-amplification of two different speakers 🙂

 

[Soundhappy]

DIY articles update HOME

 

[Soundhappy]

+ 🙂

 

[Soundhappy]

遠い昔のラジオ少年 HOME

 

[Soundhappy]

Have a nice Sunday 🙂

 

[Soundhappy]

遠い昔のラジオ少年 HOME

 

[Soundhappy]

Thanks to Old Radio Boy San for excellent DIYers friendly work

 

[analog_sa]

#535

MJ2007_(02)845-single-power-amp_SoyaS.pdf - Google Drive

This must be one of the weirdest circuits in this collection of the alternative 🙂

An 845 being driven by a pentode? And despite all the minimalism that same pentode is getting a valve regulated G2? Wow.

 

[analog_sa]

#536

Soundhappy, are there descriptions behind these circuits? The first one seems to be a Marantz 7C with an interesting MC stepup in front.

Thanks again for all your fine work.

 

[Soundhappy]

My pleasure Analog_sa 🙂
Its MC/MM by Triode Co.

 

[Soundhappy]

Vinylsavor blog articles year 2011 amplifiers build guides with schematics

VinylSavor: January 2011

🙂 Classic