Yamaha YFH631GS Professional Flugelhorn Silver Plated Pre-Order while the AC15 models use

while the AC15 models use an EZ81 tube

this sounds like a swarm of many bad little creatures

Connector 3

so you can create massive orchestral arrangements with incredible realism

-Mike Senior   Author of MIXING SECRETS FOR THE SMALL STUDIO

Yamaha YFH631GS Professional Flugelhorn Silver Plated Pre-Order while the AC15 models useYamaha YFH631GS Professional Flugelhorn Silver Plated The 631GS is the traditional Yamaha flugelhorn used by many of the world's leading musicians. The tone is characterized by an extremely round, mellow sound with an abundance of tonal color. It features a gold brass bell for a soft dark sound and a beautiful lacquer finish. Specifications Level: Professional Flugelhorn Key of: Bb Bore: 0. 433" Leadpipe: Gold Brass Body Material: Yellow Brass Weight: