Tube amplifier

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42 Single amplifier
42 is a representative of the pentode was born in 1932. Output is 2W*2W maybe. It's amplifier such as a vacuum tube radio nostalgic. I remember that I got this amplifier from seniors of Company.
1.Driver tube are using 6SJ7GT Mazda. Mazda be the predecessor of Toshiba Corporation. I think it's equivalent to old tube. Plate mesh type, the socket is a reliable made in metal.
2.Fuse holder and speaker output terminal is attached on the back.
3.Transformer is SUGANO ELECTRIC LABORATORY, LTD. Transformer of the SEL was a reasonable price range.
4.Wiring.