Romu Spitfire has only 3 controls: volume, tone and master volume.
Inspired by legendary Matchless amp.

One input, power(blue) and anode current(green) lights, fuseholder (2A) and that's it. Thanks to the tube rectifier it gives a warm and rich sound.

Outputs for 4, 8 or 16 ohms load.
 
Dimensions are 32x22x20cm, weight of head version only 5,4 kg. 

Tubes
Preamp 2 x ECC83
Power stage: 2 x EL84

This amp is priced reasonably as 700€.