![]() ![]() Combined with a low-frequency filter (LOW) set at 160 Hz, and a high-frequency filter (HIGH) set at 6 kHz, the PRAS provides operators unparalleled control and quality of their receive audio. In addition, operators can control the presence of these midrange frequencies plus or minus 15 dB using the MID GAIN control. First, operators can adjust the parametric midrange filter (MID FREQUENCY) from 400 Hz through 4 kHz, with the recommended sweet spot being at 2.5 kHz. The PRAS allows operators to have unique control over these important frequencies. Midrange frequencies are the most critical for achieving clear voice articulation in receive audio. It enables you to optimise your reception for band and signal conditions as well as for your personal hearing. The new receiver audio processing system for ham radio and general communications.
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