MORE 100Hz SHELVES SHOWING
BOOST AND CUT WITH VARIOUS BANDWIDTHS
LOW SHELF +20 WIDE BW LOW SHELF +20 MED BW
LOW SHELF
THIS IS ABOUT +1.5 DB
AT 300 Hz AND NEGLIGIBLE
SPICE SIMULATION CURVES
THESE CURVES SHOW ONE OF THE IDEOSYNCRACIES
AND IT IS POSSIBLE FOR A LF BOOST TO SOUND AS IF IT HAS LESS LOWS
DEPENDING ON THE FREQUENCY AND INSTRUMENT.
SIMILAR CURVES APPLY TO THE HIGH SHELVES AND
PARTICULARLY 10K AND 12K CAN BE STRANGE WHEN THE BW IS NARROW
50 100
NOTICE THIS 8 dB BOOST AT 100 Hz
WHILE SHELF CUTTING 100 Hz
LOW SHELF +20 WIDE BW
LOW SHELF +20 NARROW BW
LOW SHELF
LOW SHELF
AND NOTICE THIS 8 dB DIP WHILE SHELF BOOSTING THE HALF WAY (10 dB) POINT HAS SHIFTED TO 50 Hz
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