This is a big box all analog octave, and it sounds enormous. It's good on bass or guitar, and the filters mean you can dial the tone to slap the audience exactly how you want to. 'By the time you hear the next pop, the funk shall be within you.'

Model: Electro-Harmonix Octave Multiplexer
Made: USA, 1995 approx
Serial: N/A
Type: octave
Power Input: standard 9v DC centre-negative (supply not included)
Accessories: none

Condition notes: used, no major marks. Tested and fully functional. Minor pitting in chrome etc.
Overall: very good condition (7/10)