7591A / 7868 30 Watt , 5B-255M on request also, Mono Block or Stereo Chassis , release late 2020.

The Retro225  7591A / 5B/255M  >  0.1 % distortion , Switchable 15 watts Triode, Ultra Linear  25 watts, Pentode 30 watts  ,very similar footprint to the Quad 11 Mono's .

The 5B-255M is an STC/ITT  British made Western Electric .

Nickel Core Ne/Fi Permalloy Phase Splitting Transformers .

The Retro 225  also has a Triode , Ultra Linear & Pentode Mode switch.

TAMURA   F-925A 5.0k with UL tap. 0-4-8-16  10Hz  〜100KHz    28H

Lundahl  30Hz at MAX power  20Hz -50 KHz -3dB 

MORE TO COME ON THESE ! INCLUDING PICTURES OF NEW LOOK MONO BLOCKS.