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

  • Limited edition

211 SE special order made amplifier with Hirata TANGO transformer 71A drive 211 class A2

This product is not for sale, if you want the same item, please contact me for special order making
Manufacturer:
D.I.Y

Audio amplifier » Tube amplifiers
211 SE tube amplifier working in class A2, drive tube is 71A, prestage tube is 12AT7 or 12AY7. 71A is driven by Tamura choke, plate direct connect drive 211 tube.

Instead of working in class A mode, high volt and low current drive, this amplifier is working in class A2 which is low B+ volt and high current to plate. Plate current is up to 80mA, plate volt is under 500V. Dynamic coupling, using 71A drive 211 tube. Output power is about 8-10W.

Generallyto let amplifier working in class A2, you have to use interstage transformer or cathode follower because at class A2, there is current in grid. This amplifier does not use both above method. It use 71A drive 211 tube dritectly from plate to grid with load transformer is Tamura choke.

Sound is great, especially the bass sound of class A2 is quite different with class A, very sexy and hot. It is more dynamic than class A1. the bass sound is quite different when compare with the same power amp using another tube.

This amplifier using HIRATA TANGO FW-20S as output transformer, but you can order another better OPT based on your budget.
Click to the image to view it in big size and please read our busines term before making your decision

More detail pictures:

211 SE special order made amplifier with Hirata TANGO transformer 71A drive 211 class A2

211 SE special order made amplifier with Hirata TANGO transformer 71A drive 211 class A2

211 SE special order made amplifier with Hirata TANGO transformer 71A drive 211 class A2

211 SE special order made amplifier with Hirata TANGO transformer 71A drive 211 class A2

211 SE special order made amplifier with Hirata TANGO transformer 71A drive 211 class A2

211 SE special order made amplifier with Hirata TANGO transformer 71A drive 211 class A2

211 SE special order made amplifier with Hirata TANGO transformer 71A drive 211 class A2

211 SE special order made amplifier with Hirata TANGO transformer 71A drive 211 class A2

211 SE special order made amplifier with Hirata TANGO transformer 71A drive 211 class A2

211 SE special order made amplifier with Hirata TANGO transformer 71A drive 211 class A2