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FEATURES AND CONTROLS
SRX250.1// SRX500D.l// SRX750D.l// SRX1200D.l
BASS EQ
LPF
SUB SONIC
GAIN
LOW INPUT
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30Hz
250Hz
15Hz
50Hz
6.0V
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OdBBdB l2dB
®)MEMPHIS
SETUP AND ADJUSTMENT
Gain
The gain control is NOT a volume control. The gain control adjusts the amount of signal required to drive the
amplifier to full output. With the gain at full clockwise rotation, less signal voltage is required to drive the amp to
full output. With the gain at full counter clockwise rotation, more signal voltage is required to drive the amp to full
output. For optimal performance, set the gain control to minimum.
Low Pass Filter [LPFJ
The lowpass crossover/filter is designed to remove high frequency information from a speaker. This is generally
used to prevent mid bass speakers or subwoofers from trying to reproduce mid and high frequency information that
they are not designed to reproduce. The crossover frequency is adjustable from 30Hz to 250Hz and uses a 12dB per
octave slope. To engage the LPF slide the switch to the position marked LPF. Frequency selection is made by rotating
the dial: clockwise raises the frequency and counter clockwise lowers the frequency. Most subwoofers should be
set between 80Hz and 100Hz depending on how low the mid-bass or midrange drivers are capable of playing.
Bass Boost
Bass boost is switchable to off [OdB] or +6dB and +12dB. Boost should be used with discretion. Electronically
enhanced boost places and additional load on the amplifier and the speakers they are connected to.
Remote Level Control
The amplifiers have inputs for a remote level control [RLC]. This will allow the amplifier input level to be adjusted
from the listening position. Connect the RJLI5 jack on the front of the amplifier. Install the control module in front of
the vehicle in a location that is easily accessable to the driver.
Subsonic Filter
The subsonic filter utilizes an internal12dB per octave slope and is variable from 15Hz to 50Hz.
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