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4.3 Two Connectors
If the loudspeaker has two connectors for the same mode of operation, they are wired in parallel
so you can “daisy chain” multiple loudspeakers together to a single amplifier channel.
4.4 Loudspeaker Cable
To minimize power losses and provide a sufficient damping factor (DF) for low frequency drivers,
use loudspeaker cable with conductor sizes per the following chart. For cable lengths over 200 feet
at 8 ohms and over 100 feet at 4 ohms, the conductor sizes needed for an adequate damping factor
are rarely practical for physical and cost reasons. For these situations, 10 AWG / 25 metric gauge are
recommended as the most practical sizes.
4.5 Signal Processing
Many EAW loudspeakers are designed to be used with an electronic signal processor such as
EAW’s MX Series Close Coupled™ Processors.: the analog MX250 or digital MX8700 and
MX8750. Contact EAW’s Application Support Group to determine the correct processor and
settings for your loudspeaker.
Eastern Acoustic Works
EAW Applications Support Group Tel 800-992-5013 (USA only)
One Main Street Tel 508-234-6158
Whitinsville, MA 01588 USA e-mail asg@eaw.com
Web Site www.eaw.com
10 ft / 3 m
25 ft / 8 m
50 ft / 15 m
Over 75 ft / 25 m
16 / 14
14 / 16
12 / 20
10 / 25
14 / 16
12 / 20
10 / 25
10 / 25
Minimum Loudspeaker Cable Conductor Sizes
8 ohm Loudspeakers
AWG / Metric Gauge
4 ohm Loudspeakers
AWG / Metric Gauge
Cable Length
NL4 Full Range:
Pin 1- Negative
Pin 1+ Positive
Pin 2- No connection
Pin 2+ No connection
NL4 Bi-amplified:
Pin 1- Low or Low/Mid negative
Pin 1+ Low or Low/Mid positive
Pin 2-
Mid/High or High negative
Pin 2+
Mid/High or High positive
AP4 Full Range:
Pin 1 Negative
Pin 2 Positive
Pin 3 No connection
Pin 4 No connection
AP4 Bi-amplified:
Pin 1 Low negative
Pin 2 Low positive
Pin 3
Mid/High negative
Pin 4
Mid/High
positive
NL4 MQ LF Systems:
L-Pin 1– Driver 1 negative
L-Pin 1+ Driver 1 positive
L-Pin 2– Driver 2 negative
L-Pin 2+ Driver 2 positive
R-Pin 1– Driver 3 negative
R-Pin 1+ Driver 3 positive
R-Pin 2– Driver 4 negative
R-Pin 2+ Driver 4 positive
NL4 One Driver Subs:
Pin 1- Driver negative
Pin 1+ Driver positive
Pin 2-
Loop through
Pin 2+
Loop through
NL4/AP4 Two Driver Subs:
Pin 1-/1 Driver 1 negative
Pin 1+/2 Driver 1 positive
Pin 2-/3 Driver 2 negative
Pin 2+/4 Driver 2 positive
NL8 Tri-amplified:
Pin 1– No connection
Pin 1+ No connection
Pin 2–
Low negative
Pin 2+ Low
positive
Pin 3– Mid negative
Pin 3+
Mid positive
Pin 4– High negative
Pin 4+ High positive
Except KF300e:
pin 2– = negitive
pin 2+ = positive
Except LA118 & LA400:
pin 2– = negative
pin 2+ = positive
pins 1–/+ = loop through.
Except DCS2, FR250z & LA128:
pin 2– = negative
pin 2+ = positive
pins 1–/+ = loop through.
Except KF300:
pin 1–/+ = no connection
pin 3 = negative
pin 4 = positve
L–Pin = Left NL4; R–Pin = Right NL4
3 Drivers: 1-3 = top to bottom
4 Drivers: 1- 4 = top to bottom
(2 pages)
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