OTOMON Laboratory　(音門ラボ) / 50 tube SE stereo amplifier pure class A1 * All transformer are TAMURA

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50 tube SE stereo amplifier pure class A1 * All transformer are TAMURA

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

50 tube SE stereo amplifier pure class A1 * All transformer are TAMURA

THIS ITEM WAS SOLD OUT

Manufacturer:: OTOMON Lab

Audio amplifier > Tube amplifiers Audio amplifier > Special Order Made

50' tube amplifier using all TAMURA transformer. Inout transformer for XLR is UTC A-20. Pure class A1,prestage tube is 12AT7,secondary tube is 5687, cathode follower schematic. Output is 4.5W/channel.

Rectifier tube is 5R4GW, you can change to 5U4G, 274B, GZ34 without any modification. Prestage tube is 12AT7, you can change to 12AY7, 12AU7, 12BH7A without any modification. You can change to tube and enjoy the difference of sound. Input impedance is 600ohm and 100K ohm, and can be select-able.

50 tube is not included, all other tubes are included.

Sound is great, very sweet middle range, musical sound stage. . Output is about 4.5W, Noise is under 0.1mV, quite silent .

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