Features: 1) Head (C-100H1): a) Power: 150W b) Clean and distortion channel select c) Clean features: treble, mid, bass, gain, volume, bright d) Distortion: treble, mid, bass, gain, volume, more drive e) High power (pentode) and low power (triode) selections f) Effect loop (sends and returns) g) 2 output jack: 8Ω, 16Ω impedance (4Ω built-in) h) Standby function i) Reverberating function j) Tubes: 7,025 x 5, 6,500 matched tube x 4 k) Size: 627 x 288 x 2,72mm l) N.W.: 22.5kg 2) Stack a) C-412A: i) Power: 75W x 4 (total 300W) ii) Speaker: 12 x 4 speakers iii) Input selection: 4Ω, 8Ω, 16Ω iv) Size: 743 x 365 x 820mm v) N.W.: 31.5kg 3) C-412B: a) Power: 75W x 4 (total 300W) b) Speaker: 12 x 4 speakers c) Input selection: 4Ω, 8Ω, 16Ω d) Size: 743 x 365 x 850mm e) N.W.: 34kg