OTOMON Laboratory　(音門ラボ) / STC 4212 drive by 300B tube amplifier mono block x 2 * No tube included !!!

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STC 4212 drive by 300B tube amplifier mono block x 2 * No tube included !!!

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

STC 4212 drive by 300B tube amplifier mono block x 2 * No tube included !!!

This product is not for sale, if you want the same item, please contact me for special order making

Manufacturer:: OTOMON Lab

Audio amplifier > Tube amplifiers

The power monster 4212 tube amplifier, drive tube is 300B, input tube is WE396A. Output transformer is Nakamura Corp ones, permalloy core. Interstage transformer is the most powerful one of Tamura.

4212 is the biggest tube using for audio, it is 2 times bigger than the king tube 211. Max output for class A is 40W, which is impossible for almost tube. It is not transmission tube, it is tube using for audio. Transmission tube as 833A or 805 can procedure output power up to 50-60W, but it is class A2, not class A.

generally people use 211 or 845 tube as driving tube for 4212 but its sound is more and more power and lack of analog, using 300B tube as driving tube make the sound more analog than 211 and make the middle sound beautiful.

One block is about 40kg so it will cost shipping fee much.

Power transformer is special made from Hirata TANGO for 4212 tube amp, it can not be touched now and
Output is about 40W/channel.
Input sensitive is 1Vrms
Response frequency :9~70K Hz
S/N : < 0.3mV
Consumption : 320W

No tubes are included .

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