Finish: Gold Plate Body and Bell. Silver Plate Leadpipe.
K Bell Medium Large Throat (4 7/8" Flare)
Gold Brass 80% Copper / 20% Zinc
22 Gauge - Standard weight (.025" thick)
Heat Treated - Heat treating a bell is a softening process. This bell is treated in specific areas that will encourage more overtones with projection. Heat treated bells "slot" slightly less than a tempered bell and create higher overtones at louder volumes.
D4 Leadpipe - Large - less resistance than D3, 0.351" Venturi