Otomon
OTOMON LAB 300B/PX4 Tube Amplifier
Published: March 22, 2026
Video Description
Ken Uesugi is a talented Japanese audio engineer. Let's discover one of his latest creations, a 300B / PX4 amplifier by Otomon Lab, the gate of sound!
LINKS:
Otomon lab website: https://otomon.net/
OUDDC webpage: https://otomon.net/products/detail/17
2A3 + tango transformers video: https://youtu.be/dyxeWRkWYu8?si=th7fSboAB978C8Hh
300Bs battle video: https://youtu.be/SdtrKej3XGc?si=ARW18g-JtyAhz0En
TUBES:
Power tubes 300B or PX4
Driver tube 71A or 101D
Rectifier tube 5U4 or 5AR4 or GZ-34 or 5R4GW
Preamp tubes 396, 2c51, 5670, 6N3, 6CC42
INDEX:
00:00 - Intro
02:11 - Close-up
14:14 - Sonic sample
14:55 - Pros&Cons
22:37 - The sound
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#otomon #tubeamplifier #kenuesugi