B of 5 rotary with natural F made by Herbert Fritz Knopf (Knopf)♭Single
[overview].
H.F. Knopf (Knopf) Production B♭Single French horn. With natural F. No. 4 valve is 2-way design with clutch type valve switching between Gestop key and A key. Gold brass detachable bell. Low brass (no lacquer). 1-5 rotary ball joint action. Includes hard case for Marco McGee one-piece bells (many scuffs/no strap), probably made in the 1980s.
[Condition.]
Pipe #1, bell body and bell flare have small indentation repair marks. The low brass has some discoloration, but there is no corrosion or rust. Overall maintenance and adjustment has been done.
[Features.]
Knopf is a historical workshop whose founder is August Knopf, the inventor of the K-model, which laid the foundation for the modern double horn.The unique charm of the Knopf horn has been passed down from generation to generation. The in-stock item is in natural F with a red bell, so the price is B♭As a single, it is characterized by a good weight and a satisfying blowing feel. It has a unique tone that combines brilliance and depth.
*Ohkubo Wind Instruments' horns are serviced and adjusted at Blaser Strasse, a specialized brass workshop.
