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High Pass Outputs - Peavey Dark Matter DM 115 Sub Operating Manual

Vented bass powered subwoofer system dark matter series enclosures
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CROSSOVER FREQUENCY CONTROL (9)
Varies the crossover frequency between the Subwoofer and the High Pass Outputs sent to the satellite speaker(s) (11
& 12). Varies the electrical crossover frequency from 90 Hz to 180 Hz.
CAUTION! SETTING THIS CONTROL TOO LOW MAY ALLOW THE SATELLITE SPEAKER TO BE OVERLOADED BY DEEP
BASS!
Setting the control lower DOES NOT increase the deep bass output of the DM
Sub; a middle (12 o'clock) to higher
setting works best for most speakers.
KOSMOS
®
C BASS ENHANCEMENT (10)
Provides the capability to add bass harmonics to enhance the perception of deep bass in the program material
without overloading the Subwoofer speaker.
This control is best used in moderation, and turning it full up can cause the program material to sound distorted or
unnatural.
HIGH PASS OUTPUTS (11 & 12)
These outputs provide a high-pass filtered signal to be fed to a full-range powered speaker system, such as the
DM™ 112 or DM 115. Other full-range powered speakers can be used, and full-range passive speakers can be used in
conjunction with a suitable power amp to drive them.
These outputs are electronically buffered and isolated from the input and from each other, and their level is not
affected by the DM Sub Level control (6).
THRU FULL RANGE OUTPUT (13)
This output provides a full-range signal to be sent to any other device that requires a full-range signal, such as
another DM Sub, or some other line level audio device. This output is electronically buffered and isolated from the
input and from the other outputs.
O P E R A T I N G I N S T R U C T I O N S
CAUTIONS
The unit must be disconnected from the AC power source before any work is done on it. Refer all servicing to
qualified service personnel.
The back plate can become hot to the touch. Do not block or cover the fan or the exhaust louvers from ventilation.
There must be a minimum of 4" of space behind the fan. Do not allow the airflow to be become blocked by objects
such as curtains or drapes, thermal building insulation, etc. It is recommended that the rear of the DM Sub not be
placed in a closed space or a space that has no fresh, cool airflow.
DO NOT connect the inputs of the DM Sub to the output of a power amplifier. The inputs are meant to be driven from
a line-level strength signal.
DO NOT remove the protective metal grilles.
WARNING! The DM Sub is very efficient and powerful! This sound system can permanently damage hearing! Use
extreme care setting the overall maximum volume!
The apparent sound level of the DM
Sub can be deceiving due to its clear, clean sound output and lack of high
frequencies. The lack of distortion or obvious distress can make the sound level seem much lower than it actually is.
This system is capable of SPL in excess of 127 dB at 1 M from the speaker!
PLACING A SATELLITE SPEAKER SYSTEM ON TOP OF THE DM SUB
The DM Sub has a threaded pole mount built-in to the top of the unit, and this is designed to mate with an M20
threaded pole of approximately 32" in length or less. This pole is specifically designed to be used with the following
speaker systems:
Peavey DM 112
Peavey DM 115

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