The ibanez ts9 tube screamer has earned its reputation for pristine overdrive and ultimate reliability on merit'. '.strtoupper('t')his little green stompbox has graced countless pedalboards over the years from blues legend stevie ray vaughan to grunge hero jerry cantrell the wide array of users show the pedals versatility'. '.strtoupper('t')he classic three knob layout makes it easy to dial in a range of overdriven tones from light mid boost to give your tone an edge through to full blown sludgy distortion the ts9 has mastered low medium gain drive'. '.strtoupper('o')nce you plug in with one of these it becomes quickly apparent why its one of the best selling pedals of all time and still the go to for beginners and seasoned pros alike'. '.strtoupper('t')he only difference between the ts9 and the original ts808 is the output section which was altered to give the ts9 a more modern feel'. '.strtoupper('t')his makes the outputted sound brighter and slightly less rounded so its all down to personal preference the edge from u2 prefers the ts9 whereas john mayer prefers the ts808'. '.strtoupper('i')f youre after a smooth response with warm dynamics the ts808 is the way to go whereas if you want something a bit sharper that aids in cutting through a mix the ts9 is your best option.