Dating fender amp serial number
They have a little bit more grit which some people might like.
The main change in the TS-9 circuit is in the output section.
This caused the tube screamer to be a bit brighter and less "smooth".
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.
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.Also the LEVEL knob on these is labeled BALANCE and the external 9V power jack is on the side next to the input jack.It used the same case as the earlier OVERDRIVE and OVERDRIVE-II pedals which used stomp switches. This board can also be found in some old Maxon OD-808 OVERDRIVE pedals which had a TS808 style switch and a power jack on the side (not to be confused with the 2000-era Maxon OD808).Some of these sound BAD, especially the JRC 2043DD chips.Many used the Toshiba TA75558 which was continued on the reissue.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 Edge from U2 uses a TS9 for most of his overdrive tones, as do countless other famous rock and blues players.In later years the TS-9s were put together with other op-amp chips, instead of the JRC-4558 which is called for in the schematics.We have a mod to make these the same as the originals.Early TS-808's have the Ibanez (R) "trademark" logo which some people seek.