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MONO AMP SET UP & ADJUSTMENT
Always check your speaker load with a multi-meter before hooking up to the amplifier. The PRX600.1V,
PRX1000.1V, PRX1500.1V amplifiers are 1 ohm stable. Any Impedance (load) smaller than 1 ohm will damage the
amplifier! Such damage is not covered under warranty, so pay strict attention to what connections are made to
CAUTION
the amplifier.
Sensitivity The sensitivity control is NOT a volume control. The sensitivity control adjusts the amount of signal required to
drive the amplifier to full output. With the sensitivity at maximum (full clockwise rotation), less signal voltage is required to
drive the amp to full output. With the sensitivity at minimum (full counter-clockwise rotation), more signal voltage is required
to drive the amp to full output.
Low Pass Filter (LPF) The low pass crossover, or filter, is designed to remove high frequency information from a subwoofer.
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 50Hz to 250Hz, and uses a
18dB per octave slope. Frequency selection is made by rotating the dial; clockwise raises the frequency and counter-clockwise
lowers the frequency. Most subwoofers should be set between 80 and 100Hz, depending on how low the mid-bass or
midrange drivers are capable of playing.
Bass Boost (45Hz) Boost should be used with discretion, keeping in mind that electronically enhanced boost places an
additional load on the amplifier and the speakers they are connected to. This control is fully variable from 0 – 18dB.
Infrasonic Filter This filter is fully variable from 15Hz-50Hz and removes unwanted frequencies below the frequency selection.
This filter is most useful with subwoofers loaded in a ported enclosure, which helps prevent unloading (rapid loss of power
handling below the port tuned frequency).
Top Mounted Control Panel
Remove the two allen head screws to remove the top panel an access the controls.
6V
0.2V
0dB 12dB 50Hz 250Hz 15Hz 50Hz
LEVEL
BASS EQ
LPF
SUBSONIC
D E S I G N E D A N D D E V E L O P E D I N T H E U N I T E D S TAT E S
WIRING MONO AMPLIFIERS
WIRING SUBWOOFERS
When using a single amplifier to power one subwoofer, the positive and negative terminal of the subwoofers voice coil is
connected the positive and negative terminal of the Amplifier.
SP
+12V
REMOTE
GND
SPEAKER OUTPUT
POWER INPUT
M O D E L / / P R X 1 0 0 0 . 1 V
MINIMUM 1
Memphis Audio Power Reference Amplifier Limited Warranty
This product has a one year warranty from the date of purchase for defects in material or workmanship. This
warranty will be extended to 2 years when installed by a Memphis authorized dealer using Memphis Connection
products. The warranty is void if the product has been physically damaged by improper usage or abuse. If
repairs are attempted outside of a Memphis Audio facility, the warranty is void.
This warranty is limited to the original retail purchaser and does not cover any expenses incurred in the removal
or re-installation of the product. This warranty does NOT apply to product exterior and cosmetics. Memphis Audio
disclaims any liability for incidental or consequential damages caused by product defects. Memphis Audio liability
will not exceed the purchase price of the product and the warranty period specified.
What is NOT covered under warranty
• Damage due to improper installation
• Damage caused by exposure to moisture, excessive heat, chemical cleaners and/or UV radiation
• Damage through negligence, misuse, accident or abuse. (Repeated returns for the same damage may be abuse)
• Product damaged in accident and/or due to criminal activity
• Service performed by anyone other than Memphis Audio
• Subsequent damage to other components
• Any cost or expense related to the removal or re-installation of product
• Products with tampered, missing , altered or defaced serial numbers/labels
• Freight damage
• The cost of shipping product to Memphis Audio
• Return shipping on non-defective items
• Any product not purchased from an authorized Memphis Audio dealer
Some states do not allow the exclusion or limitation of incidental or consequential damages. The above limitations
or exclusions may not apply to you. This warranty gives you specific rights, you may have other rights which vary
from state to state.
If warranty service is required, a return authorization number is required to return the product to Memphis Audio.
Warranty shipments to Memphis Audio are the responsibility of the purchaser. Pack the product carefully in the
original carton if possible Memphis Audio will not be responsible for damages incurred in shipment or due to
improper packaging materials used by the purchaser.
If determined to be within warranty your product will be repaired or replaced at the discretion of Memphis Audio.
WARRANTY
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