Heil Sound PRAS-EQ Parametric Receive Audio System EQ
The Heil Parametric Receive Audio System Equalizer (PRAS EQ)is a state-of-the-art audio processor that enhances the internal audio systemsof amateur radio, shortwave, commercial, and CB receivers. The PRAS EQ allowsradio operators to modify, shape, and improve the audio output of theirreceivers using three separate equalization controls. Midrange frequencies arethe most critical for achieving clear voice articulation in receive audio. ThePRAS allows operators to have unique control over these important frequencies.First, operators can adjust the parametric midrange filter (MID FREQUENCY) from400 Hz through 4 kHz, with the recommended sweet spot being at 2.5 kHz. Inaddition, operators can control the presence of these midrange frequencies plusor minus 15 dB using the MID GAIN control. Combined with a low-frequency filter(LOW) set at 160 Hz, and a high-frequency filter (HIGH) set at 6 kHz, the PRASprovides operators unparalleled control and quality of their receive audio.
Technical Specifications
PRAS Weight
3.30 lbs.
PRAS Dimensions
10.25W x 2.5H x 8.5D






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