No. 12: A 40 Button Maccann Duet

My twelfth concertina was a special 40 button Maccann Duet with some custom ergonomic features.

Specification
  • 40 buttons (+ air): 20 notes per side, one octave apart
  • Lowest note on left hand is G3
  • Six sides, 6 3/8″ wide
  • 3/16″ diameter brass capped buttons
  • 2mm button height and travel (buttons stop flush with end plate)
  • Air button in right thumb position, 8mm high
  • Black button bushing cloth
  • Amboyna veneered end plates and walls
  • Thuya burr, ogee profile borders
  • Thuya burr handrails, extra tall with curved top and adjustable position
  • All external woodwork stained dark red and French polished
  • Flat ends with fancy fretwork
  • Seven fold plain black goatskin bellows
  • Black imitation leather bellows papers
  • Aluminium alloy reed frames
  • Aluminium alloy action levers
  • Long scale steel reeds on both sides
  • Radial sloped sycamore reed pans with no inner reed chambers
  • Bach/Lehman tuning, A=440Hz
  • Weight: 1305g