active, processor controlled, bi-amped speaker system
W400A
Introduction
When used as the main system for music performances,
theatre, conferences, public address, or as a stage
monitor, W400A proves itself to be an exceptionally
accurate, highly versatile system, providing a rich and
broad range of sound experiences.
The low weight to performance ratio makes it the ideal
choice for touring systems, and makes its use in fixed
installations easier. The shape of this one piece cabinet
made from high density polyethylene includes 6 fly
points (patent pending) which ensure flexible, rapid
and safe assembling in fixed and mobile installations.
The shape of the cabinet allows for both vertical (for standard P.A.) and
horizontal (for stage monitoring) installation.
■
high quality components, custom designed on our
specifications:
- one 12" woofer with neodymium alloy magnet
- one 1" horn loaded high frequency driver
■
two A-B class MosFet power amplifiers (300+100 W
continuous, 450+150 W peak)
■
two independent processors
■
an high slope electronic crossover (24dB/oct.,1600Hz,
Linkwitz-Riley).
■
our exclusive I.P.D.M. (Intelligent Power Dynamic
Management) active transducer protection circuit allowing
for an optimal drive of the transducers, without electrical,
thermal and mechanical overloads.
■
a sophisticated, fully adjustable equalizer circuit allows
to tailor the system’s frequency response to the different
application environments.
Description
Montarbo
SERIAL N.
I0
POWER
PROCESSOR CONTROLLED BI-AMP SPEAKER SYSTEM
Montarbo
MADE IN ITALY BY
Montarbo
Elettronica
MOD.
POWER
W400A
BANDWIDTH
400 W 45Hz - 20KHz
srl
flat
10
0
OUTIN
LINK
line
mic
MID CTLR VOL
flat
peak
spk
POWER SWITCH
A.S.P.
POWER
SUPPLY
GAIN
INPUT
SUM
FUSE T 3,15A
230V AC
50/60Hz
LINE / MIC
OUTPUT
LINK
VOL
MID CTRL
SPKFLAT -
LINKWITZ
RILEY 24dB oct
X-OVER
HI
LOW
SENSE
IPDM
SENSE
IPDM
PROTECTION
PEAK
H F
L F
MOSFET
POWER
AMPLIFIER
MOSFET
POWER
AMPLIFIER
2
3
1
3
12
BLOCK DIAGRAM
1
3
2
A Constant directivity, high frequency horn (dispersion
90° x 70°) with 1" dynamic driver (featuring aluminium
flat wire voice coil, kapton former).
B 12" woofer with neodymium alloy magnet.
C High Density Polyethylene.
D 6 fly points included in the cabinet shape.
E Perforated steel grid (epoxy resin finished).
F Tuning ports.
G Transport handles.
H Control and connection panel.
I Speaker stand adaptor.
L Mating feets and cavities for cabinet stacking.
L
L
E
F
A
B
H
G
C
D
D
DD
DD
I
11
ENGLISH
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