1. Yamaha YSL-354 Intermediate Trombone: Around $1,000 to $1,500
2. Yamaha YSL-445 Intermediate Bb Tenor Trombone: Around $2,000 to $2,500
3. Yamaha YSL-620 Intermediate Tenor Trombone: Around $2,500 to $3,000
4. Yamaha YSL-882O Professional Tenor Trombone: Around $3,500 to $4,000
5. Yamaha YSL-891Z Custom Tenor Trombone: Around $4,500 to $5,000
6. Yamaha YSL-630 Tenor Bass Trombone: Around $3,000 to $4,000
7. Yamaha YSL-882G Custom Tenor Bass Trombone: Around $4,000 to $5,000
8. Yamaha YSL-891F Custom Bass Trombone: Around $5,000 to $6,000
It's worth noting that these are approximate prices and may vary based on factors such as availability, location, and specific retailer. It's recommended to check with authorized Yamaha dealers or reputable music stores for the most current pricing and any potential variations in cost.