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DIYstompboxes.com  |  DIY Stompboxes  |  Building your own stompbox  |  Pictures  |  12VDC ECC82 Mitsumin Valve Caster DIY 0 Members and 1 Guest are viewing this topic. « previous next »
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Author Topic: 12VDC ECC82 Mitsumin Valve Caster DIY  (Read 5185 times)
Posts: 2

12VDC ECC82 Mitsumin Valve Caster DIY
« on: March 15, 2010, 06:01:37 AM »

This is my DIY Matsumin tiny box.Larger image http://www.foto24.ee/showPhoto.php?photoID=2334202

...and this is short description and overview.Larger image http://www.foto24.ee/showPhoto.php?photoID=2334203

Look at the inside.Larger image http://www.foto24.ee/showPhoto.php?photoID=2334201

Very good PSU from Tracopower to the 12VDC fixed voltage circuit.Very low hum/noise level.Complete PSU image, coming soon.Larger image http://www.foto24.ee/showPhoto.php?photoID=2334204

With Regards,


Posts: 472


Re: 12VDC ECC82 Mitsumin Valve Caster DIY
« Reply #1 on: March 16, 2010, 02:35:38 AM »

Very nice build. Where did you find that power supply?

Ernie Ball Music Man - JPM, THD Univalve, Grace Big Daddy, PepperShredder, BSIAB2, FireFly Amplifier.
Posts: 2

Re: 12VDC ECC82 Mitsumin Valve Caster DIY
« Reply #2 on: March 16, 2010, 03:18:43 AM »

I bought it long time ago from https://www1.elfa.se/elfa/index.jsp,for the another project(High End preamp),but did not want more.
OK.Now found good application.This PSU have excellent signal/noise ratio - but not cheap!
Posts: 2314

Adriano - Rome Italy

Re: 12VDC ECC82 Mitsumin Valve Caster DIY
« Reply #3 on: June 14, 2010, 05:05:02 PM »

wow that's great!!!

Done an' workin'=Too many to mention - Tube addict!
Posts: 623

Bruno G. - France

Re: 12VDC ECC82 Mitsumin Valve Caster DIY
« Reply #4 on: June 18, 2010, 03:03:14 AM »

Congratulations maaalune.

I particulary like the shape and material of the box (what was its "1st life" ? where did you find it ? what are the dimensions ? was it originally drilled ? )

I wonder if you have put that 12VDC PSU in the stompbox or is it external (wall-wart style) ?

I did not tried yet a lo-voltage tube ovd, but only hi-voltage designs - thinking that it doesn't sound as well as hi-voltage tube ovd, relying on some friends trials heard - but I am probably wrong and will dig it personnally.

Does your release tends to sound bluesy-smooth-subtle "vintage amp-like" overdrive, with a nice regular decay and overdrive fading with the note, or is it more "heavy distortion" orientated ?



I apologize for my approximative english writing and understanding !
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