Enders of Mainz German tenor trombone with 2 main tuning slides, one with and one without valve - even the valve slide has two tuning slides for F and Eb

May 21, 2009
1. This older style German trombone has two main tuning slides - one withouth valve - one with a valve, which is operated by a thong for the thumb. The valve also has two slides one for F and one Eb. The latter gives a full chromatic scale down to Bb