3x JJ ECC83S 12AX7 Preamp Tubes (Ruby HG rebrands) - $35 (Chicago Pilsen)

3x JJ ECC83S 12AX7 Preamp Tubes (Ruby HG rebrands) 1

3x JJ ECC83S 12AX7 Preamp Tubes (Ruby HG rebrands) 1 thumbnail

W 21st St near S Carpenter

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condition: good

make / manufacturer: JJ

model name / number: ECC83S

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$35/cash for all three.
Pick up at W. 21st & S. Carpenter, Chicago, IL 60608 (I am in a commercial building).

JJ ECC83 S, rebranded as Ruby High Grades.
Used, but still have a lot of life left in them (tested for leakage, short, emission). Each tested slightly stronger than the next. I have all three marked in order of output so you can decide what position to use them in.

Electric guitar tube amplifier.

post id: 7865509221

posted: 2025-07-13 20:04

updated: 2025-09-02 20:02

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3x JJ ECC83S 12AX7 Preamp Tubes (Ruby HG rebrands) - musical...

$35/cash for all three. Pick up at W. 21st & S. Carpenter, Chicago, IL 60608 (I am in a commercial building). JJ ECC83 S, rebranded as Ruby High Grades. Used, but still have a lot of life left...