SERVICE MANUAL
DSP
SPECIFICATION
OPERATIONS
The ProLinear DSP front panel contains a Liquid Crystal Display
(LCD) and six buttons that serve different functions within each
mode of opertion.
The ProLinear DSP Front Panel
The display shows different combinations of text and
numbers depending on the parameter being edited.The
information displayed includes:
l the Program number and Band (User or Preset) of
the current EQ curve
l the boost/cut amount for the selected EQ band
(Gain),and
l the Cbannel to which the ProLinear DSP is assigned.
Accompanying each value will be its unit of measurement,
when applicable (HZ KHZ or dB)
When the LCD flashes..
Occasionally the LCD backlight will flash.This happens to alert you
to one of two conditions:
l An edit affected another speaker on the same Channel.
When two or more ProLinear DSP speakers are set to the
same Channel, an edit performed on the first speaker will
"propagate" to all the speakers that follow. When this
happens,the backlights on the "slave" speaker LCDs will
flash.
l The signal is clipping. If the Input Level control is set too
high, the incoming signal can cause the speaker amplifier
to clip. In this case, the LCD backlight will flash red.
The buttons access and modify speaker parameters and functions.
Inputs
Nominal input level: +4dBu (-15dBFS)
Maximum input level: +20dBu (7.0 Vrms)
Input impedance: 10kΩ
Output
Sound Pressure Level (SPL): ~110db at 1 meter at
max input below clipping
Low Frequency (LF) power: 80 watts RMS,
~130 watts peak
High Frequency (HF) power: 40 watts RMS typical,
~130 watts peak
Frequency response: 50hz-20kHz+/-1.5dB
Bass level -3dB @ 43hz typical
Signal To Noise ratio: >90 dB A-weighted,
Analog In to Analog Out
Power Requirements
Input voltage: 100v-230v
Input frequency: 47-63Hz
Power consumption: 20W (idle)
130W (typical, at maximum volume)
Environmental Requirements
Temperature range: 0-40 degrees C
Relative humidity (non-condensing): 30-85%
Cabling Requirements
Mixer to Speaker: Balanced or unbalanced,
shielded; XLR or 1/4" TRS connector.
Speaker to PC: Standard 9-pin, RS-232
serial cable (male-female).
Speaker to Speaker: Standard 9-pin,RS-232
serial cable (male-female)
Mechanical
Size: 15"H x 9" W x 12" D
Weight: 12 kg
MODEL:PROLINEAR 720 DSP
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