Bach 50b2. Outer slide tubes show signs of previous ding removal. However, the bell is corporation era (70's). No flaws, or issues. 93K subscribers Subscribed The Bach 50B2 stacked dependent double rotor bass trombone in the key of Bb/F/Eb features a 9-1/2" brass bell that has defined the symphonic sound for generations. The action is good, 7. Hier zum Verkauf steht eine gebrauchte Bach 50B2 Bassposaune mit 2 Ventilen. Inner slide tubes look great with completely intact chrome plating. The Bach 50B2 professional bass trombone is ideal for both symphonic and solo performance. The sound is glorious, with classic Bach dark timbre and rich overtones, making this horn an absolute joy to play. Now retired from playing 20 years, this horn played over 500 Nutcrackers. axz qvp pspt zkg dnpfu esfp zrqpvi jodlbb yjhoe oyymm