Haunebu
is an OTL (Output Transformer Less) tube power amplifier..
Design is inspired by project Haunebu.

Output Power: 2 x 25W sin /8 Ohm
Input impedance: 100k Ohm
Usable speakers: 4 - 64 Ohm
Class AB1
Technology: output transformer less tube amplifier
Inputs: 1x RCA
Outputs: 2x Banana sockets
Add-ons: digital indication system for biasing tubes.
Total consumable power: 350W
Output stage: Futterman-Technics SEPP
February 2010.