A/d/s/ 345cs Owner's Manual
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Brand: a/d/s/
Category: Speakers
Type: Owner's manual
Model: a/d/s/ 345cs , a/d/s/ 346cs
Pages: 17 (0.24 Mb)
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crossover features and connections
Midrange Contour switch
Positions of Demo or Car are provided to offer different contours to midrange woofer frequency response.
This switch should be left in the Car position for most applications.
Bi-amp/Parallel switch
Select the Bi-amp position if you intend on driving the woofers and tweeters with separate amplifiers (four
channels). Select the Parallel position if you intend on driving the woofers and tweeters with the same
amplifier (two channels).
Tweeter Level switch
The three-position switch in the crossover box adjusts the output level of the tweeter. The mid-position
(0) is referenced as equal output from the midrange speaker and the tweeter. The high position (+3)
provides 3dB more output from the tweeter. The low position (-3) provides 3dB less output from the
tweeter. Select the position of this switch for your listening preference.
Tweeter Phase switch
Select 0 or 180 degrees phase relationship between the tweeters. Select the position of this switch for
your listening preference.
Tweeter Thermal breaker
This component protects the tweeter speaker if too much power is delivered to the tweeter. If activated
the tweeter will briefly stop producing sound until the breaker automatically resets.
Tweeter DC Clip Protector
These components limit the amount of current delivered to the tweeter if they are overdriven by either
excess amplification or clipped signal from an overdriven amplifier.
Connections to the amplifier
The crossovers are supplied with a removable screw type connector. The crossover has two sets of input
terminals, this allows the system to be driven by either two or four channels of amplification. To correctly
use these wiring schemes you must move the Bi-amp/Parallel switch to the desired position.
IN
Woofer Tweeter
+ - + -
OUT
Woofer Tweeter
+ - + -
Midrange
Contour Switch
Tweeter
Thermal
Breaker
Tweeter
Phase Switch
Tweeter
DC Clip
Protection
Parallel Bi-amp
Switch
Tweeter Level
Switch
demo car
p b
0 -3 +3
180° 0°
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