Model VFC-SL6677HR is a professional Bb/F trombone which has been developed in V.F. Červený factory. Traditional construction proven by many years is improved by the newest knowledge about manufacturing of the bells and crooks. This instrument is being distinguished by excellent intonation and very easy response. This trombone provides different custom option. The Red Brass version has a dark and soft tone which keeps these features in all dynamic scale. On the other hand the Yellow Brass version has a clear and rich tone with fixed centre. This trombone is suitable both for orchestra and solo performing. This is a good choice for conservatory students who want to be professional trombonists too.

Technical description:

Key: Bb/F
Bore: 13,89mm.
Bell: 216mm, hand shaped, wire reinforced.
Material: Yellow Brass
Slide: Nickel Silver inner and outer slides made in Japanese.
Valve: Hagmann valve, open wrap.
Trimmings: Nickel Silver hand lapped outer and inner tuning slides. Nickel Silver stays.
Finish: High gloss polished and lacquered. Different custom finishes available on request.
Outfit: Silver-plated mouthpiece, case.

Patented valve Hagmann have a new solution of air flow in comparison with traditional rotary valve. These new solutions provide better timbre and easier response in the lower register particularly with F attachment.

Traditional rotary valve has a larger air resistance because of large curving, but mechanically it is reliable.


 Hagmann rotary valve eliminates inaccuracies of the surface by leading the air column in ducts.