Welte-Mignon T-100 ("red Welte"), cf. Hagmann, pp. 75 and 178.
The note block spans 80 positions from C1 to g⁴, i.e. MIDI 24 to 103.
The expression valves are duplicated, bass below the note block and
treble above it, in mirrored order. The rolls run at three metres a
minute (Phillips 2016, p. 113; Bärtsch 2020 gives 3 or 2.9).
Welte-Mignon T-100 ("red Welte"), cf. Hagmann, pp. 75 and 178.
The note block spans 80 positions from C1 to g⁴, i.e. MIDI 24 to 103. The expression valves are duplicated, bass below the note block and treble above it, in mirrored order. The rolls run at three metres a minute (Phillips 2016, p. 113; Bärtsch 2020 gives 3 or 2.9).