Yesterday 10:31 PM -
Musical instruments
... Most use the Q™ 215FX in one of two ways:
1. To catch and reduce/eliminate feedback “on-the-fly” during ... Hz, 100 Hz, 160 Hz, 250 Hz,
400 Hz, 630 Hz, l kHz, 1.6 kHz, 2.5 kHz, 4 kHz,
6.3 kHz, 10 kHz, and ...