Pédales vendues en lot. La TS9 possède bien le JRC 4558 (avis aux connaisseurs) The first Tube Screamer is the venerable TS-808 Overdrive Pro, introduced somewhere around 1979-1980. There were predecessors (OD-850 and OD-855), but the 808 was the first one to be named "tube screamer", so that's where we start. Almost all of the TS-808s used either the JRC 4558D or the TI RC4558P chip. These pedals are very expensive these days. Around 1982-83 Ibanez introduced the "9" series, with a completely redesigned exterior, and the TS-9 Tube Screamer was born. The main differences from the 808 were a few resistors in the output section (presumably to make the pedal mate better with transistor amps), different pots (design, not value) and op-amp chip. A few TS-9s had the JRC 4558 chip, but most were shipped with either the JRC 2043 or the TA 75558. Original TS-9s are starting to get real expensive as well.
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