Meridian America BOOTHROYD STUART A320 - Manual

Meridian Audio Limited
Latham Road
Huntingdon
Cambridgeshire PE29 6YE
England
T +44 (0) 1480 445678
F +44 (0) 1480 445686
Meridian America Inc
8055 Troon Circle, Suite C
Austell, GA 30168-7849
T +1 (404) 344 7111
F +1 (404) 346 7111
www.meridian-audio.com www.meridian-audio.com
Active Installation Speakers
Meridian loudspeaker systems for in-wall and flush-mount applications
Installation loudspeakers with
true Meridian performance
Remote Active drive from
G41 Powered Crossover/
Amplifier (G41 crossover
module included with
speaker)
Excellent, well-defined bass
and clear, open mid-range
Accurate rendering of
instruments and voice
High SPL with fast transient
response
Heavy, rigid enclosures
minimise wall and cavity
resonances
Stable imaging with excellent
depth
Wide dispersion for an
excellent sound throughout
the room
Excellent clarity for movie
dialogue
Cable length compensation
maximises performance
For years, Meridian loudspeakers have
been regarded as offering the highest
performance available – the result of
careful design, the highest-quality
drivers and components, transparent
crossovers and rigid, low-coloration
enclosures in both Active and Digital
Active designs.
Now we have paid the same level of
attention to the design of loudpeakers
for installation purposes, including
in-wall, flush-mount and on-wall
configurations. These offer full Meridian
performance for systems where the use
of floor-standing models is impossible
or inappropriate.
The 200 Series in-ceiling/wall design
and the 300 Series of wall-mounting
systems allow exceptional flexibility of
configuration. This document describes
their application as remotely-driven
active in-wall/flush-mount speakers and
the G41 Powered Crossover/Amplifier
designed to power them; passive and
on-wall configurations are also available
and are detailed separately.
The 200 Series speakers are 2-way
designs with an 8in (200mm) bass
driver and pivoting tweeter, for
surface mounting in-ceiling or in-wall
applications.
The 300 Series consists of three ultra-
slimline systems for in-wall (surface
grille) and flush-mount (completely
hidden, eg behind wall coverings)
applications, featuring 6.5in (165mm)
metal-cone bass drivers, and a wide-
dispersion horn-loaded ribbon tweeter
for superb performance anywhere.
Remote Active units are supplied with
the appropriate crossover card for the
G41 Active Crossover unit.
The 320 includes a single bass driver
and tweeter; the 330 adds an 8in
(200mm) Auxiliary Bass Radiator (ABR);
and the 350 features two bass drivers
and two ABRs.
Heavy, rigid enclosures minimise wall
and cavity excitation so you hear the
speakers, and not wall resonances.
A white paintable low-resonance grille
and frame is included, and rough-in
boxes are available.
In every case, Meridian installation
loudspeakers deliver the performance
of a stand-alone design in a discreet
enclosure with minimal visual impact
– and awesome power.
On-wall, passive and DSP configurations
are also available: contact Meridian for
details.
MILSa v0.94ß 200600612 • REƒ
This is a preliminary document and is subject to
significant change without notice.
Meridian retains the right to improve or modify product
specifications and design at any time. E&OE.
A330 in-wall with G41Powered Crossover/Amplifier.
Remote Active Systems
Outline Specifications
A200Z
System 2-way in-ceiling/wall unit
supplied with G41 crossover card
Bass driver 8in diameter, silver paper cone, rubber surround
Tweeter 1in diameter, aluminium diaphragm
Frequency response 52Hz-20KHz
Impedance Nominal 8 Ω
Sensitivity (1W/1M) 89dB/1Watt@1m
Power handling 10-80W
Hole cut-out diameter 9.37in/238mm
Outer frame diameter 10.75in/273mm
Depth for installation 4in/101.6mm
Weight 4.5lbs/2kg approx.
A320
System 2-way in-wall/ceiling* unit with G41 crossover card.
Van den Hul internal wiring throughout
Bass driver 6.5in/165mm metal-coned driver
Tweeter Wide-dispersion ribbon device
Impedance Nominal 8 Ω
Amplification G41 Powered Crossover/Amplifier recommended
A330
System 2-way in-wall unit with Auxiliary Bass Radiator (ABR).
Supplied with G41 crossover card.
Van den Hul internal wiring throughout
Bass driver 6.5in/165mm metal-coned driver
Tweeter Wide-dispersion ribbon device
ABR 8in/200mm Auxiliary Bass Radiator
Impedance Nominal 8 Ω
Amplification G41 Powered Crossover/Amplifier recommended
A350
System 2-way in-wall unit with dual bass drivers and ABRs.
Supplied with G41 crossover card.
Van den Hul internal wiring throughout
Bass drivers 2 x 6.5in/165mm metal-coned drivers
Tweeter Wide-dispersion ribbon device
ABRs 2 x 8in/200mm Auxiliary Bass Radiators
Impedance Nominal 4 Ω
Amplification G41 Powered Crossover/Amplifier recommended
Crossover cards designed for the G41 Powered Crossover/Amplifier
(see below) are supplied with each loudspeaker. These
feature premium quality Burr-Brown operational
amplifiers and four-layer printed circuit boards.
The G41 powers 200 and 300 Series
installation loudspeakers in Remote
Active mode. It features active crossovers,
switched balanced and unbalanced
inputs, and employs the same low-
feedback topology as Meridian’s
G55/56/57 amplifiers, which was
developed from that used in the flagship
DSP8000K.
Eight channels of approximately100W/8
Ω
(180W/4 Ω ) RMS amplification are
provided, grouped into four pairs, each
providing bass and tweeter outputs from
a full-range input.
The fourth channel pair can also be
configured as two full-range amplifiers
for driving a pair of passive loudspeakers,
eg for surrounds. To do this, the right-
hand modular crossover card is removed
and replaced by one providing additional
full-range unbalanced inputs.
Replacement labels identify the
reconfigured output terminals (see rear
panel illustration below).
The crossover modules take the form of
cards which can be inserted at the time
of installation to configure the unit for
the speakers in use, and an appropriate
card is supplied with each loudspeaker.
Modules are available for the 320, 330
and 350, and each module includes a
pair of LEDs that confirm the positive
and negative power-rails are operative
and identifies the crossover installed by
means of the colour combination. 200
Series units can use the crossover or can
be driven in passive configuration with
the fourth amplifier pair configured for
two channels of full-range operation.
Thermal, short-circuit and DC fault
protection circuitry is included. The G41
has soft start, fan output and trigger
input.
A unique feature of the G41 is a cable-
length compensation switch. The
amplifiers have a negative impedance to
cancel out cable effects. This dramatically
improves performance, tightening the
bass response and giving significantly
improved control and punch. Two switch-
selectable settings are provided, one
for cables under 10m and the other for
cables over 10m in length. A separate
rear-panel switch is provided for each
pair of amplifiers.
G41 Powered Crossover/Amplifier
TWEETER
BASS
CHANNEL 1 INPUT
CHANNEL 3 OUTPUT
CHANNEL 1 OUTPUT
TWEETER
BASS
TWEETER BASS
TWEETER BASS
CHANNEL 2 OUTPUT
CHANNEL 4 OUTPUT
CHANNEL 3 INPUT CHANNEL 4 INPUT CHANNEL 2 INPUT
UNBALANCED
BALANCED
UNBALANCED
BALANCED
UNBALANCED
BALANCED
UNBALANCED
BALANCED
OFF
ON
POWER INPUT ~50-60Hz 30 - 1200VA MAX
CAUTION REPLACE WITH SAME TYPE FUSE T10AL for 100-120V T5AL for 220-240V
DESIGNED AND MADE IN ENGLAND BY
MERIDIAN AUDIO LTD
DESIGN AND COPYRIGHT 2005 G41 MULTI-CHANNEL LOUDSPEAKER CONTROLLER
CABLE LENGTH
CHANNEL 1+2 CHANNEL 3+4
SHORT <10M
LONG
>10M
TESTED VOLTAGE SERIAL NUMBER
JS26305 MERIDIAN G41-05 REAR PANEL E/UP 06/01/06
MERIDIAN CONTROLLED
TRIGGER INPUT
5 - 30V ac or dc
FAN OUTPUT CROSSOVER CHANNEL 1
CHANNEL 3 CROSSOVER
JS26234 MERIDIAN G41-07 MODULE ACCESS PANEL CHANNEL 1 & 3 Iss C E/UP 09/12/05
CHANNEL 2 CROSSOVER
FULL-RANGE INPUTS
CHANNEL A CHANNEL B
JS26237 MERIDIAN G41-10 FULL RANGE ACCESS PANEL Iss C E/UP 9/12/05
CHANNEL B
CHANNEL A
FULL-RANGE OUTPUTS
JS26239 MERIDIAN G41-11 FRONT RANGE LABEL Iss 1 E/DOWN 9/12/05
Specify in-wall or flush-mount configuration (see dimensioned drawings inside). Rough-in boxes available separately.
*The 320 units may optionally be ceiling-mounted; the 330 and 350 are not suitable for in-ceiling use.
On-wall versions available later in 2006: contact Meridian for details.
Passive versions are detailed in a separate datasheet.