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We can provide special order made ISO (TANGO) power transformer which use for 117V, 220V, 230V,240.You dont need to use step down transformer as using my amplifier

From now we can provide amplifier with wooden chassis based on order of customer. Please contact for more detail !!!

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71A SE tube amplifier with phono stage 396A * work as preamp or power amp 1W

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 Audio amplifier » Special Order Made
71A tube amplifier with all America transformer. Interstage transformer, output transformer are Western Electric. Power, choke transformer are UTC. Input volt is 117/220V

This is special order for high sensitive speaker or horn speaker. Perfect amplifier with power tube 71A and drive tube 5687, transfomer coupling. Inside wiring is Western Electric 40s year wiring.

Phono stage used 396A tube.

You can use this as preamp as well as power amp. Output power is about 1W and need speaker which has high sensitive at least 105db.


All tubes are not included.

Auto bias, you dont need to care any thing every time changing tube.

Rectifier tube is 6AX5.

America spec with input volt 117~120V.
Click to the image to view it in big size and please read our busines term before making your decision

More detail pictures:

71A  SE tube amplifier with phono stage 396A * work as preamp or power amp 1W

71A  SE tube amplifier with phono stage 396A * work as preamp or power amp 1W

71A  SE tube amplifier with phono stage 396A * work as preamp or power amp 1W

71A  SE tube amplifier with phono stage 396A * work as preamp or power amp 1W

71A  SE tube amplifier with phono stage 396A * work as preamp or power amp 1W

71A  SE tube amplifier with phono stage 396A * work as preamp or power amp 1W