Keyed trumpet after Doke

After Alois Doke, Linz, c. 1823

Original: Music Museum, Basel

  • Key in G (440 Hz)
  • Keys are achieved through different crooks. Possible keys F, E, Eb, D, C, Bb (both 440 Hz or 430 Hz)
  • Instrument in brass
  • With 5 keys
  • The instrument is fine tuned via tunings bits, which are available in 10 cent steps (the instrument does not have a tuning slide)

Body

F-crook – optional

F430-crook – optional

E-crook – optional

E430 crook – optional

Eb-crook – optional

Eb430-crook – optional

D-crook – optional

D430-crook – optional

C-crook – optional

C430-crook – optional

Bb-crook – optional

Bb430-crook – optional

Extension crook – optional

With E-crook results in C; With D-crook results in Bb

430 Hz pin – optional

Together with E or Eb crook results in E430, or Eb430 respectively

Tuning bit No. 1 – optional

38 mm, for approx. 10 cent

Tuning bit No. 2 – optional

55 mm, for approx. 20 cent

Tuning bit No. 3 – optional

75 mm, for approx. 40 cent

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