OTOMON Laboratory　(音門ラボ) / 300B stereo tube amplifier class A1, 10W output

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300B stereo tube amplifier class A1, 10W output

We can provide power transformer which use for 117V, 220V, 230V, 240V.
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I will give discount 10% or more for all item in my eBay listing, contact me for more detail

300B stereo tube amplifier class A1, 10W output

THIS ITEM WAS SOLD OUT

Manufacturer:: OTOMON Lab

Audio amplifier > Tube amplifiers Audio amplifier > Special Order Made

It is stereo SE amplifie using 300B tube as power tube. Output is 12W. Wiring used 50s year western electric wire.

Output transformer is Hirata TANGO XE-20S, prestage tube is 5670 (WE396A), Secondary stage is 42 tube, drive by Western Electric interstage transformer. Rectifier tube is 5Z3, can be changed to 274A without any modification.

Sound is musical and rich. Clean without hum, noise, good for almost speaker.

Specification:

Output : 10-15W / channel .
Noise :0.8mV
Response frequency: Flat from 16Hz to 20K Hz
Distortion: under 0.04% 1W 1K Hz

No noise , no hum. Can be match with almost speaker. With some little change you can easily change power tube to PX-25 or PX-4.

300B tubes is not included.

I include 5670(396A)x2, 42x2, 5Z3' tube, EL-34x1

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