OTOMON Laboratory　(音門ラボ) / "The Tesseract 45" SE tube amplifier * Pure class A 2W with Western German OPT Sacksenwerk

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"The Tesseract 45" SE tube amplifier * Pure class A 2W with Western German OPT Sacksenwerk

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

I dont open information about schematic, parts, transformer using in my amplifier. My brand name is the guarantee to what I do with my production !!!

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"The Tesseract 45" SE tube amplifier * Pure class A 2W with Western German OPT Sacksenwerk

THIS ITEM WAS SOLD OUT

Manufacturer:: OTOMON Lab

Audio amplifier » Tube amplifiers Audio amplifier » Special Order Made

Pure class A 45 tube amplifier using 417A(5842) tube as driver tube. Only 2W of output, no NFB adopted. Output is 40s year Western Germany Sachsenwerk.

Case is deluxe walnut, 25mm. Sound is rich, vintage, dynamic and clear. No NFB was adopted to keep the fresh sound of 417A tube and 45.

Amplifier use 83 tube as rectifier, but you can use 5Y3, 5Z3 as replacement.

I include 5842(417A) tube as gift.

Specification:

Response frequency: 30Hz ~55Khz(-1db)
Noise level : 0.05mV
THD(distortion): 0.6% 1W
Ouput level: 2W (Input 1Vrms)

Sound is beautiful, rich, and musical. It is true sound of 45 tube. Power transformer is 230V. If you want to use in 117V, 100V, you need to wait about 3 weeks to change transformer to 117V or 110V version.