Tube Amp Archive

Hello Charlie,

The first two caps of the Dumbelator in the photo I posted are 47 micro as shown in the schematic Brandon posted

https://ampgarage.com/forum/viewtopic.p ... 893#p53893

Tyler

I think these are #0130.

Thank you for your reply :) [quote] Looks like a lower voltage winding for that purpose and 35W mode? [/quote] Exactly. Loop & Reverb recovery node is fed by the lower voltage winding regardless of the 50W or 35W mode. [quote]Can’t see what component is between the PSU caps.[/quote] Could you tell m...

Hi, rootz Thank you for generous sharing! Two-Rock mentions CRS that, “It has a separate isolated power supply for the reverb, which enhances the reverb effect and prevents loading of the dry signal. In conjunction with our other reverb innovations, you’ll immediately notice a rounder, warmer, less ...

and more

Here's Dumble Explosion for sale in Japan

https://page.auctions.yahoo.co.jp/jp/auction/o464721899

https://www.thegearpage.net/board/index ... t-31463587

Are those NTE's resistors made by Vishay?

Sorry this is all I have

Sorry to derail. I can't remember where I downloaded these from but I hope this helps

Tony,I couldn't check the pot values and voltages.
Please check the photos.

https://yahoo.jp/box/qA40DP

V2 cathodes are 4.7Uf.
Snubbers are 220p.
NFB resistor is 4k7.

FYI this is powersupply of Bruno Super100 with EL34 I have been in.I believe the amp is clone of the Ultra Tan dumble.It was Low plate skyliner,25uf on V1 cathodes.I hope this helps!

http://www.digimart.net/magazine/articl ... 02452.html

https://translate.google.co.jp/translat ... edit-text=

I found the link but without pics.

http://page22.auctions.yahoo.co.jp/jp/a ... l262262183

According to the seller the amp is called "Mother Dumble". Without serial number,No goop.

Just found on Japanese auction.