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(Unknown mfg) FI 1901
audio filter
(Unknown mfg) FI 1901

Produced from (?) to (?)

  • Manual needed
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The (Unknown mfg) FI 1901 is a audio filter plug-in for the TM500 system.

It appears to be used for stereo measurements, providing a 19 kHz notch filter.

Key Specifications

  • please add