thanks for the flowers...
it's a custom built integrated - using 6c33c triode single ended, class a - about 2x 8 watt at 8Ohm THD 2,9%
 - no feedback
 - frequency response: 20Hz - 20kHz -0.5dB 
- frequency response: 15Hz - 25kHz -1.2dB 
- sensitivity: 0,405V. nice vintage all tube concept with gas rectifiers and amperite 20 seconds delay tube.
it's quite different in comparison with my 845 amp - but it's not a goal to compete both amps - because they have their individual qualities.
I enjoy to have both ...
regards,