Heil PRAS EQ (Parametric Receive Audio System Equilizer)
SKU Part Number: HEIL-PRAS-EQ
Parametric Receive Audio System Equilizer (PRAS EQ) The Heil Parametric Receive Audio System Equalizer (PRAS EQ) is a state-of-the-art audio...
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£269.95 £224.96
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Parametric Receive Audio System Equilizer (PRAS EQ)

The Heil Parametric Receive Audio System Equalizer (PRAS EQ) is a state-of-the-art audio processer that enhances the internal audio systems of amateur radio, shortwave, commercial, and CB receivers. The PRAS EQ allows radio operators to modify, shape, and improve the audio output of their receivers using three separate equalization controls.


Parametric Equalization Controls

Midrange frequencies are the most critical for achieving clear voice articulation in receive audio. The PRAS EQ allows operators to have unique control over these important frequencies. First, op- erators can adjust the parametric midrange filter (MID FREQUEN- CY) from 400 Hz through 4 kHz, with the recommended sweet spot being at 2.5 kHz. In addition, operators can control the level of these midrange frequencies plus or 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 PRAS EQ provides operators unparalleled control and quality of their receive audio. See the following page for recommended Initial Set- tings, and suggested settings for common receive audio issues.

PRAS EQ Suggested Equalization Control Settings

— The following tables outline common Receive Audio Issues, and provide suggested equalization control settings for each of these issues.
— Every suggested solution is relative to the suggested Initial Settings. Please start your setup with the suggested Initial Settings table, and adjust your PRAS EQ for each receive audio issue relative to these starting settings.
— For each suggested solution, adjust the equalization controls in the suggested order [(1), (2), (3)]. Each subsequent adjustment will be relative to the adjustment before it. Therefore, you might find that only one or two suggested adjustments are necessary in some instances.
— Each suggested solution is just a starting point for common receive audio issues. Adjust the equalization controls up or down thereafter depending on the characteristics of your receive audio



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Returns:

If you have any equipment that needs to be returned to Martin Lynch & Sons, please fill out the form below:

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Upon receipt of goods you have 14 days to return goods however the goods must be returned in original packaging and care must have been taken with the goods you wish to return. Under distance selling regulations you are not entitled to any refund on carriage charges or modification charges made at your request.

Warranty Terms and Conditions

Outside of the 14 faulty return period, returned items cannot be accepted, unless covered by manufacturer's warranty. We will repair as much as possible on site however in exceptional circumstances products may have to be returned to the manufacturer of distributor.

For repairs/replacements under manufacturer’s warranty for any item please download a ML&S return form from the link below and return to ML&S with the faulty product.

International Warranty information

Warranty service for items we sell is available in the U.K. only, unless otherwise noted. It is your responsibility to pay freight for returned items to the U.K. and back to you for desired warranty coverage. All of our NEW products come with a minimum 12 month warranty, (Yaesu & Icom 24 months), with up to 90 days on second-hand equipment. Items returned for service must state "returned goods for repair" on the return air waybill or U.K. import customs duties apply and will be added to your invoice. For more info about returning items please contact our customer help desk, sales@hamradio.co.uk