We can provide power transformer which use for 117V, 220V, 230V, 240V.

YouTube channel > Otomon Lab YouTube Channel

I will give discount 10% or more for all item in my eBay listing, contact me for more detail

You can contact to me via FB: https://www.facebook.com/Otomon.Vintage/
Email: uesugilabo@gmail.com
Skype ID: uesugilabo

*Hot Items

Audio Note Kondo Ongaku type 211 SE tube amplifier with ALL Hirata TANGO transformer X-10S

Audio Note Kondo Ongaku type 211 SE tube amplifier...

This amp was made based on the schematic that Master Kondo of Audio Note Japan introduced in 1990/8,...

【Prototype sales】 Only 1 limited 2A3 SE tube amplifier amp ALL HIRATA TANGO, Western Electric wire

【Prototype sales】 Only 1 limited 2A3 SE tube a...

This is prototype 2A3 tube amplifier of new design, using C3g as driver tube. If you saw the status ...

King and Queen * 300B drive 845 PP amplifier with X-5P, NC-20F, output class A 50W, class AB 100W

King and Queen * 300B drive 845 PP amplifier with ...

Special order made amplifier, 845push pull, max output 100W in class AB or 60W in class A. All trans...

45 DAC tube amplifier using Philips TDA1541A

45 DAC tube amplifier using Philips TDA1541A

DAC decoder using Philips TDA1541A chip, output tube 45, using oil con, all best part ever....

Prototype VT-62/801 SE tube amplifier with 50s year western electric wiring

Prototype VT-62/801 SE tube amplifier with 50s yea...

Original price if you order the same one is 2800USD. VT62/801A SE stereo tube amplifier. VT-62 is wo...

211 SE tube amplifier class A1 monoblocks 25W output

211 SE tube amplifier class A1 monoblocks 25W outp...

It is SE amplifie using 211 tube as power tube. Output is 22W. Drive tube is C3g. High voltage versi...

2A3 SE tube amplifier

2A3 SE tube amplifier

2A3 tube amplifier with drive tube is C3g. Output is 6W. Can be ordered to change tube to 45, 300B, ...

45 PSE tube amplifier with walnut case

45 PSE tube amplifier with walnut case

This is 45PSE tube amp (can be used with 2A3), special order made with all ISO (TANGO) transformers....

300B stereo tube amplifier class A1, 10W output

300B stereo tube amplifier class A1, 10W output

It is stereo SE amplifie using 300B tube as power tube. Output is 10W. Walnut wooden case with top c...

【Special price】307A SE tube amplifier amp 60s years Partridge OPT Wenger wood case

【Special price】307A SE tube amplifier amp 60s ...

307A tube amplifier with drive tube is EF37. Output is 5-6W. Prestage tube can be changed to 6J7, WE...

71A PSE stereo tube amp No NFB special order made

71A PSE stereo tube amp No NFB special order made

This is the best amp which has output under 2W that I have ever made. Using 71A tube, para single en...

【3 days sales】 45SE tube amplifier amp ALL HIRATA TANGO without tubes included

【3 days sales】 45SE tube amplifier amp ALL HIR...

This sales was listed only in 3 days. 45 SE tube amplifier with drive tube is 717A. Output is 3-5W....

6C33C SE mono block x2 tube amplifier with EL-34 drive tube

6C33C SE mono block x2 tube amplifier with EL-34 ...

6C33C is tube using in Soviet battle tank. It was used in mono block amp...

10Y/VT-25/VT-62/801 stereo tube amplifier on wooden board

10Y/VT-25/VT-62/801 stereo tube amplifier on woode...

VT-62/VT-25a/10Y SE stereo on wooden board...

717A-71A/10Y/VT-25/45/2A3 tube amplifier with wooden board

717A-71A/10Y/VT-25/45/2A3 tube amplifier with wood...

71A tube preamplifier with drive tube is Western 717A. Can be changed to VT-25, VT-52, 45, 50, VT-62...

Special made TESLA EL-50 drive EL-51 tube amp, all top plate tube

Special made TESLA EL-50 drive EL-51 tube amp, al...

Special order made amplifier using EL-50 as drive tube and EL-51 tube for power tube. Both EL-50 and...

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News of Us

What does our logo mean ? (2017-10-13)
Recently I have told you about the meaning of your name. Today I will tell you about our logo. The word "音" in the center of logo is OTO means the sound. The Miazima symbol is same as word "門" (MON) means the gate. It is nealy same "N" symbol in English. The red circle is same as "O" character, it combine with the red M character to become "MON". So, in the logo we have OTOMON !

By the way, in Japanese, as you put the word "OTO" into the word "MON", it becomes the word "闇", you can spell it "YAMI", mean the dark, same as hell. In the mean time, the red symbol in the center of logo have symbol like a sun, the bright side, the heaven. The word "mon" in Japanese means the gate, and also it means the bondary separates 2 worlds, in this logo it means the border line between the heven and hell and "the sound" is in the heaven side. It is same as symbol leading us thinking about the image of phantom in the Opera, the music in heaven and the dark side without it. That is reason why the background color of our website is black.

The "M" word is also the symbol of mountain, the image of red sun raises up on the top of Fuji moutain is always the best symbol of Japan.


Thank you for reading.

Yours friend with name Ken.
We open ! (2017-10-07)
Thank you for your support and now we can start up my own store. Hope that you will still continue to support us from now on. We have hundreds of items that still in stock and we will list them on store from now.
If you dont see item that you want in store, please contact to me via

email uesugilabo@gmail.com or
skype id: uesugilabo.

If you are my old customer, please let me know, I will give you special price for all items in the day we open.

Thanks and regards.

Ken.
Why we started with the name OTOMON? (2017-10-06)
In Japanese Oto means Sound and Mon means Gate. Otmon means the Sound Gate and our slogan will be let 's open the Gate of Sound from now on. We will try our best to bring the best sound in your budget to your home.