JBL JBL-PRX915-NA User Manual

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• The Limiter provides a “brick wall” limiter on the master mix, after the Master EQ in the signal chain. Limiters reduce the

loudest parts of the mix dynamic range. Limiters can be used either for protection when playing very loud source material, or

to creatively sculpt down the loudest dynamics of the master mix. Carefully turn up the Makeup Gain to compensate for low

threshold limiter results.

• “Reset” is an action command to reset the Output Limiter to the factory default setting.

• “Presets” are available to recall limiter settings for common creative situations or trouble shooting.

• If the user selects any of the lower three settings to edit, the preset automatically loads the lower three settings to the

Limiter “Custom” preset for further user editing.

• “Threshold” enables the user to set the threshold level, limiting the maximum mix level to amp and speakers. All

dynamic range above that level will be limited down to the maximum Threshold setting.

• “OverEasy” an Enabling “OverEasy” smooths the transition before the signal reaches the Threshold level to provide a

smooth limiting audio result. “OverEasy” is often selected on rock ballads or speaking panels. Turning off OverEasy is

often desired on harder rock or DJ style of music program.

• “Makeup Gain” can be used to raise a limited mix to pre-limiter levels. Warning: Using limiter “Makeup Gain” on

already loud mixes may exceed desired mix gain levels. This setting is best used only by skilled audio professionals.

Small movements are best when adjusting limiters.

• Bass Boost - The Bass Boost functionality adds 3db of bass at 80hz to the system.

• Bass Boost On/Off enables or disables bass boost functionality.

• Mix Out XLR output can be set to assist in feeding the mix to additional speakers. This section includes presets and

settings based on the type of speaker the Mix Out will be feeding and how it is positioned in comparison to this speaker and

the audience.

• “Mix Out” On/Off” enables or disables the Mix Out XLR output feed.

• “Presets” enables selection of three types of speakers combinations using the Mix Out XLR output:

• “Full Range” is designed for feeding another full range speaker.

• “Sub” preset automatically congures settings for isolating low frequencies and feeding them to Mix Out XLR out

for a subwoofer speaker. Selecting “Sub” automatically sets the internal amp/speaker feed to HPF (“high pass

lter”) only signal at above 80Hz and the Mix Out XLR output to only pass the mix signal below 80Hz.

• “Custom” allows the user to set the settings manually.

• “HPF on this Speaker” can be used to remove signal below a selected frequency to the built-in amp/speaker.

• “LFP on Mix Out”can be used to set the low pass lter on the Mix Out XLR output feed.

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JBL-PRX915-NA PRX915 Two-Way 15" 2000W Powered PA System / Floor Monitor with Bluetooth Control