Aug 5, 2010 Ibanez''s Tube Screamer Amp provides 15 watts of all-tube power with a built-in Tube effects—has once again entered the world of guitar amplification with the TSA15H. Thats what Ibanez is showing in there manual. 23 user reviews on Ibanez TSA15H Head. All user reviews for the Ibanez TSA15H Head. Average No need for manual rear panel is complete and clear. Mar 3, 2014 2 user reviews on Ibanez TSA15 Combo. The manual is not very useful in my opinion nothing complicated to operate this amp. SOUNDS.