Model #5691 Bellflex / Model #5692 Copper
Maestro line
Technical Specifications:
Bore: XL (11,90mm/0.469")
Bell: #30 (130mm/5.12")
Bell material: Bellflex or Copper
Leadpipe: #1 REVERSE
Tuning slide: Square
Valves material: Monel
Valves section: Yellow brass
Trim kit: Titanium
Trigger on 1st slide
4th valve slide E
Finish: Silver plated 1000 thousandth
