The mouthpiece is a 1 x 3/4 black pipe reducing coupling. The single tonehole is a 3/4 x 1 1/4 x 1 1/2 tee. The bore increases incrementally over eleven feet from 3/4 to 1 1/2 inch. The lowest producible tones are C with the tone hole closed and Eflat with the tonehole open.
Toobad, strumpet, boner, & borgesohpones
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