Bose ShowMatch SM20 Panduan Penggunaan dan Aplikasi - Halaman 6
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Halaman Cetak
CONNECTIONS AND WIRING
Full-range Modules
1+
SM8
left
SM8
right
16
16
1-
2+
EMB2S
EMB2S
}
}
12
12
EMB2S
EMB2S
2-
Subwoofer Module
1+
1 -
2+
2-
2S
1+
1+
Grille-
}
1 -
1-
12
mounted
NL4MP
2+
2+
Connector
2-
2-
2S
AMPLIFICATION
ShowMatch full-range modules require two (2) amplifier channels with external DSP active crossover filters (modules
contain no passive crossover network). Each module contains series-parallel connections of four (4) compression
drivers delivering nominal 6-ohm impedance, with a long-term power-handling rating of 100 watts and peak rating
of 400 watts. The low-frequency section contains parallel connections of two (2) woofers delivering nominal 8-ohm
impedance, with a long-term power-handling rating of 450 watts and a peak rating of 1800 watts.
ShowMatch subwoofer modules contain a single 18-inch woofer with nominal 4-ohm impedance, with a long-term
power rating of 750 watts and a peak rating of 3000 watts.
8
Bi-Amp
1+
LF+
1+
Parallel
1-
LF-
1-
2+
HF+
2+
2-
HF-
2-
Power Handling
LF: 450 W
HF: 100 W
1+
1+
Grille-
1-
Impedance
1 -
mounted
NL4MP
2+
2+
LF: 8 Ω HF: 6 Ω
Connector
2-
2-
Discrete
Parallel
LF+
1+
LF-
1-
Thru
2+
Thru
2-
Power Handling
LF: 750 W
Impedance
LF: 4 Ω
Recommended Amplification for Rental and Production Applications
Bose Professional recommends the use of PowerSoft series amplifiers for rental and production applications.
The ShowMatch Tour Rack includes three PowerSoft x4D amplifiers as the standard building block for a variety
of system configurations.
(See Page 22 for additional information on the ShowMatch Tour Rack.)
Recommended Signal Processing for Rental and Production
Digital signal processing (DSP) equipment is required for infrasonic protection, crossover, equalization, and protection
limiting functions.
A set of presets is available for various system configurations and are supplied as part of the preset library with
PowerSoft Armonía software and Bose ControlSpace software. To select a preset within ArmoníaPlus software, use
one of the following two methods:
Within the ArmoníaPlus application workflow select the Design > Add workflow step to access the design workspace.
Select Add Speaker from the top menu and you are presented with the ArmoníaPlus preset library. Bose ShowMatch
presets can be found here.
Once the preset is selected, the new virtual loudspeaker is added to the workspace.
To load the preset into the amplifier you will need to assign the virtual loudspeaker to an amplifier within the
Design > Link area of the workflow. This process automatically loads the correct LF and HF preset equalization.
PRO.BOSE.COM
PRO.BOSE.COM
3-module parallel
2- subs/channel parallel
2 subs/channel parallel
3-box parallel
(Z min = 2.0 Ω)
(Z min = 2.0 Ω)
(Z min = 2.0 Ω)*
(Z min = 2.0 Ω)*
NL4 Channel Breakout
9