Toa M-900MK2 Specifications
THE TOA 900 SERIES are widely
recognized as the industry standard
in installed sound system amplification. When reliability and performance are critical – such as in
paging and music distribution for
airport, hospital, and industrial
sound systems – you can count on
the TOA 900 Series to perform
consistently, day-in and day-out.
The M-900MK2 Mixer/Pre-amplifier
is engineered for high performance
with wide frequency response,
very low noise and distortion,
and excellent output regulation.
Eight module slots allows you to
easily configure custom configurations using TOA plug-in modules
with an extensive array of features
and connector types. With the
rear-panel Bridge In/Out jack, you
can increase the input capacity by
connecting a second mixer or
mixer/amplifier. Outputs include
a balanced, transformer-isolated,
line-level output for connection
to an external amplifier and an
unbalanced auxiliary output.
Multiple paging priorities are
easily configured using optional
mute-type modules activated by
external switch-closure or mutesend modules. Other features
include bass/treble controls and
remote master volume terminals.
The M-900MK2 is UL and cUL
Listed and carries a five year
warranty.
Modular Eight Channel Mixer/Pre-
amplifier for paging, background/
foreground music distribution and
music/messaging-on-hold.
Proven TOA Quality and Reliability
Engineered for High Performance
with wide frequency response, very
low noise and distortion, and excellent output regulation.
Eight Module Slots accept any combi-
nation of TOA plug-in modules for custom system configurations.
Balanced, Transformer-Isolated
Output with selectable impedance,
screw terminal connector and protective cover plate.
Dual Mute Bus permits multiple levels
of paging priority using optional
mute-type modules.
External Mute Terminals for activating
mute function with external switchclosure.
Remote Master Volume Terminals for
control with an external 10k ohm
linear-taper potentiometer.
Individual Channel and Master
Volume Controls
Bass/Treble Tone Controls with tone
defeat switch.
Auxiliary Output for connecting an
external mixer or recording device.
Bridging Input/Output for input
expansion or recording device.
Normal, Clip, Power, Protect, and
Signal Indicators provide unit status.
Rear Panel AC Convenience Outlet for
powering external equipment.
Turn-On Delay disconnects output
during power-up.
Over-current and Thermal Protection
Circuitry prevents potential damage
from overload, short-circuit or overheating.
Volume Control Security Knobs
Included (4)
Optional Rack-Mount Kit
UL / cUL Listed
Five Year Warranty
H
IGHLIGHTS
O
PTIONAL
A
CCESSORIES
Plug-in Modules (see individual module specifications)
MB-25B Rack-mount Kit (2 RU)
PF-511 Perforated Rack Panel (2 RU)
YA-920 Volume Control Security Knob
900 Series Module Guide available from http://www.toaelectronics.com
900
S
ERIES
M-900MK2
M
IXER
/
P
RE
-A
MPLIFIER
A
PPLICATIONS
A/V Rentals
Airports
Audio/Visual
Auditoriums / Theatres
Banks
Bars / Lounges / Nightclubs
Boardrooms
Business Music
Conference Facilities
Convenience Stores
Educational Facilities
Fitness Clubs / Gymnasiums
Hotels / Hospitality
Houses of Worship
Industrial / Warehouses
Museums
Music Distribution
Offices
Public Address
Restaurants
Retail Stores
Theme Parks
Training Rooms
Type 8-channel mixer/pre-amplifier
Output Power +4 dBm, +20 dBm (max.)
Power Bandwidth 30 - 20k Hz, +20 dBm 0.5% THD
250 - 20k Hz, +18 dBm 0.5% THD
Frequency Response 20 - 20k Hz, ±1 dB
Total Harmonic 0.01% at 1k Hz, rated output
Distortion
Inputs 8 input ports: every port accepts any input module
1 Bridging Input/Output
Input Sensitivity Input port #1 to #8: 100 mV / 10k Ω
& Impedance Bridging Input/Output: 100 mV / 3.3k Ω
Outputs Main: Balanced, 150/600 Ω
Aux: Unbalanced, 10k Ω, 0 dBm
Output Regulation Less than 1.5 dB, no load to full load
(1k Hz)
Dynamic Range Master volume set to min.: 90 dB
(Band Pass: 20 - 20k Hz, Master volume set to max.: 77 dB
with Tone Controls centered)
Tone Controls Bass: ±10 dB at 100 Hz; Treble: ±10 dB at 10k Hz
Indicators Normal, Peak, Power, Protect, and Signal LEDs
Protection Self-protection, with internal AC fuses
Power Consumption 18 W
Temperature Range 12° F to 140° F (-10° C to +60° C)
Color Black
Dimensions (W x H x D) 16.5” x 3.9” x 12.1” (420 x 99.1 x 307.5 mm)
Weight (without modules)
11.7 lbs (5.3 kg)
Other Features Output connects approx. 5 seconds after switching power on.
900 SERIES
MIXER/PRE-AMPLIFIER
Tel: 800-733-7088
Fax:800-733-9766
www.toaelectronics.com
S
PECIFICATIONS
Visit www.toaelectronics.com to download:
900 Series Architect and Engineering Specifications
900 Series Installation Manual
900 Series CAD Files
900 Series Module Guide
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