Up for sale is a highly desirable, pristine Ibanez TS9 Tube Screamer, Made in Japan. This pedal features the legendary IBANEZ.900101 circuit board layout—highly sought after by tone purists because it marks the era of premium Japanese in-house manufacturing before production moved to standard overseas factory builds.

VERIFIED ORIGINAL JRC4558D CHIP This unit has been carefully opened and verified to contain the ultimate holy grail op-amp: the original JRC4558D chip (see internal photo). This is the exact circuit component responsible for the ultra-creamy, warm, mid-focused drive that made the 1980s originals famous. You get 100% of that legendary vintage audio profile in a structurally flawless, highly reliable Japanese chassis.

Features & Technical Specs:

• Circuit Board: Authentic Japanese IBANEZ.900101 PCB.
• Componentry: Factory-original JRC4558D dual op-amp chip.
• Serial Number: 1532078 (Silver Label intact on the backplate).
• Wiring: 100% stock, clean, and untouched. No modifications or repairs.

Condition:

• Functional: 100% perfect working order. The foot switch engages smoothly, the LED is nice and bright, and all three pots (Drive, Tone, Level) run clean, quiet, and scratch-free.
• Cosmetic: Great clean condition with light character marks from normal use (please review the photos for exact cosmetic state).