The Conn 88HO gives you wondrous tone and great response.13.9 mm bore of this 88 HO Bore Trombone gives you greater volume and edgy tones.In addition, F attachment lowers the pitch from Bb to F.216 mm rose brass bell in Conn 88HO This Conn Trombone has higher copper content and so you gat a warm and rich sound.You can even color your sound.Rose brass outer slide of this 88 HO Bore Trombone gives a free rounded connation.Cup shaped Conn 5 G mouthpiece of this 88 HO Horn gives you a fuller response without taxing your throat.Lacquer finish makes your 88 HO Bore Trombone durable and lustrous.Give a master performance with this famous tenor model Conn Trombone and jig the gig.