F Tuba "Elektra" F-481B, by MIRAPHONE
model 481B "Elektra"
bell diameter 420 mm (16,535 inch)
443 Hz
5/4
with lyre holder
with strap ring
rotary valves
bore of valve section conical 19,6 - 21,2 mm (0,772 - 0,835 inch)
spiral spring system
vented valves for pressure compensation
5th valve at the end of the valve section
mouthpiece TU28
lacquered
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