FI1901
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
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(Unknown mfg) FI 1901 | |
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Produced from (?) to (?)
Manuals
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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.