Introduction; Description - Montarbo W28As Instruction Manual

28A - 24A

Introduction

Ideally suited to applications requiring high sound pressure
levels, maximum definition and clean sound, W28As and W24A
professional loudspeaker systems provide outstanding sound
performance in the most diverse situations
Each system is equipped with:
The custom made neodymium-based transducers combine high

performance with great weight saving and operate in complete
synergy with the dedicated electronic circuitry.

Description

W28As / W24As
A
D
A Constant directivity, high frequency horn (dispersion 60°H x 40°V)
with 2" neodymium compression driver featuring (4" in W28As,
3" in W24As) aluminum flat wire voice coil, kapton
former, titanium dome.
B W28As: 2 x 15" woofers with neodymium magnet
W24As: 2 x 12" woofers with neodymium magnet
C High grade phenyl-glued multiply birch construction, reinforced
with internal steel braces.
D Powder coated, perforated steel grid.
E
Tuning ports.
10
ENGLISH
bi-amped, active loudspeaker systems
C
G
B
C AU T I ON !
T O PR E V E N T E L E C TR I C S HO CK,
DO N OT RE M OV E COV E R S
E
T O PR E V E N T R I S K OF FI R E A LWAYS R E P LA C E
FU S E S WI T H S A M E T YP E A N D R AT I N G
T HI S A P PA R AT U S M U S T B E E A RT HE D
AV I S !
PO U R É V I T E R T OU T R I S QU E DE C HO C
E L E C TR I QU E , N E PA S OU V R I R
PO U R É VI T E R T O U T R I S QU E DE F E U T OU J OU R S R E M PL A C E R
L E FU S I B LE PA R U N D E M Ê M E S CA R A C T E R IS TI Q U E S
CE T A PPAR E I L DOI T Ê TR E R E L I É A L A T E RR E
OUT LINK IN
VOL. H.F.
PUSH
XLR BAL.
NEUTRIK
1 = GND
2 = HOT
2 1 3 = COLD
3
0 10 0 10
( 10K 0,775V RMS )
2 A 8
p ro c es s o r c o nt r o ll ed a ct i v e s pe a k er s y s t e m
1 2 0 0 W ( 9 0 0 + 3 0 0 )
B
MAINS INPUT MAINS LINK FUSE
230V 50/60Hz F 6,3AL POWER SERIAL N.
0
I
H
Two class A-B MosFet power amplifiers.

Output powers:
W28As 900 + 300 W continuous, 1200 + 350 W peak
W24As 800 + 250 W continuous, 1100 + 350 W peak
Two independent processors optimize the dynamic range

and the frequency response of the system.
High slope active crossover filter (24dB/oct Linkwitz-Riley).

W28As / W24As
L
L
F
Side transport handles.
G Controls and connections panel.
H Speaker stand adaptor.
I
W28As / W24As: Industry standard aluminium fly-track suspension
system.
L W28As / W24As: Recessed rings, for tilt adjustment of the
suspended speaker.
I
F