When he played through big clean amps he turned the drive up more, about 1/2 way, with tone on about 3 and level about 7 to get the distortion from the TS.Around 1982 until 1985 the Ibanez pedals were repackaged and the 9-series of effects were made.The first Tube Screamer was the green TS-808 overdrive pro in the late '70s.It was preceded by the Orange "Overdrive" and green "Overdrive-II" which came in narrower boxes without the battery cover, and the reddish "Overdrive-II" which had a box very similar to the TS-808.Some of these sound BAD, especially the JRC 2043DD chips.Many used the Toshiba TA75558 which was continued on the reissue.The lighter green OD-855 Overdrive-II is also in the TS-808 style box and has a circuit which is similar to the 808 - the board part numbers only differ by one digit.The overdrive and OD-II had a different, much more distorted, fuzzy circuit close to a Big Muff.
A rare chip used was the TL4558P chip, as used in some early 8-pin IC chip Boss OD-1 pedals.The most popular was the TS-9 tube screamer, which is almost the same as the TS-808 internally.Externally the on/off switch grew to fill about 1/3 of the effect.It is not unusual for a TS-808 to have an undercoat of a different color (which can be seen in the ever-present corner chips). The top row center 4 knob pedals are the ST9 Super Tube Screamers. Click here for some more pictures of our batch of TS-808s and other rare Ibanez pedals from the tube screamer family. The following list are some of the serial numbers and features of TS-808 pedals I have had in the shop or friends' pedals.(R) means the trademark after Ibanez on the top of the pedal.