TOA A-706 Datasheet
700 S
ERIES
MIXER
/
A
MPLIFIERS
:
A-706
A-712
A-724
TOA 700 SERIES MIXER/AMPLIFIERS
offer versatile features and outstanding value for installed sound applications such as boardrooms, educational
facilities, houses of worship and many
others.
The 700 Series model lineup includes
the A-706 (60 W), A-712 (120 W), and
A-724 (240 W); all manufactured with
proven TOA quality and reliability.
Features include six mic/line inputs,
two auxiliary line inputs and a 900
Series module port. Each mic/line
input includes a mic trim control and
23 VDC phantom power. Speaker outputs consist of 70.7 V, 25 V and 4 ohm.
An auxiliary line output can be used
for recording or connection to an
external booster amplifier.
An Auto-Mute function provides
voice-activated priority override. You
can assign inputs to activate or
respond to the muting function with
rear panel DIP switches. Muting can
also be activated with an external
switch-closure.
Other features include channel and
master volume controls, bass/treble,
processor insert jacks and output level
meter. Master volume and power
on/off can also be controlled remotely.
Short-circuit and thermal protection
circuitry ensures extended operation.
Optional accessories include the MB-25B
rack-mount kit and YA-920 volume
control security knob.
The 700 Series is UL and cUL listed
with competitive pricing and a fiveyear warranty.
Nine Channel Integrated Mixer/Amplifiers
for paging and background/foreground
music distribution
Proven TOA Quality and Reliability with
wide frequency response, very low noise
and distortion, and excellent output
regulation
Three Models:
A-706 (60 W)
A-712 (120 W)
A-724 (240 W)
Six Mic/Line Inputs, balanced, with mic trim,
23 VDC phantom power and removable
terminal block connector
Two Auxiliary Inputs, unbalanced, with
dual-RCA jacks for convenient connection
of stereo sources
Module Slot accepts 900 Series plug-in
modules with additional features
Transformer-Isolation for Telephone
Paging Applications (Input #1)
25 V, 70.7 V and 4 Ohm Speaker Outputs
with removable terminal block connector
Auto-Mute Priority Function assignable
via external switches
Channels 1-3 and Module
configurable as Mute Send
Channels 1-8 and Module
configurable as Mute Receive
Auto-Mute SENSE Control for adjusting
mute activation threshold
External Mute Terminals for activating
mute function with external switch-closure
Individual Channel and Master Volume
Controls
Bass/Treble Tone Controls
Output Level Meter and Power Indicator
Remote Master Volume controlled with
an external 10k ohm linear-taper potentiometer
Auxiliary Output for connecting an external
amplifier or recording device
Pre-amp. Out / Power Amp. In Insert Jacks
for connecting external signal processors
Remote AC Tur n-On for activating power
with an external switch-closure
Tur n-On Delay disconnects output during
power-up
Over-current and Thermal Protection Circuitry
prevents potential damage from overloads,
short-circuit and overheating
Detachable IEC-type AC Power Cord
Volume Control Security Knobs Included (4)
Optional Rack-Mount Kit, model MB-25B (2 RU)
UL / cUL Listed
Five Year Warranty
H
IGHLIGHTS
O
PTIONAL
A
CCESSORIES
Plug-in Modules (see back page)
MB-25B Rack-mount Kit (2 RU)
PF-511 Perforated Rack Panel (1 RU)
YA-920 Volume Control Security Knob
IT-455 Input Transformer (channels 2 and 3)
700 SERIES
MIXER/AMPLIFIERS
Tel: 800-733-7088
Fax:800-733-9766
www.toaelectronics.com
S
PECIFICATIONS
Type Nine channel mixer/amplifier
Output Power A-706: 60 W RMS, A-712: 120 W RMS, A-724: 240 W RMS
Frequency Response 50 - 20k Hz (±3 dB)
Total Harmonic 0.5% at 1k Hz, rated output
Distortion
Inputs Input 1 - 6: Mic -70 to -50 dBV, 600 Ω/Line -10 dBV, 600 Ω
Input 1: transformer-balanced, Phoenix 3P terminal
Input 2-6: electronically-balanced, Phoenix 3P terminal
Input 7 - 8: Line -20 dBV, 10k Ω, unbalanced RCA pin jack (stereo-sum)
Module: Specifications dependent on module type
Power IN: 0 dBV, 10k Ω, unbalanced, RCA pin jack
Outputs Speaker OUT: 70.7 V line, 25 V line, and 4 - 16 Ω, Phoenix 4P terminal
Minimum Impedance:
70.7 V line: 83 Ω (A-706), 42 Ω (A-712), 21 Ω (A-724)
25 V line: 10 Ω (A-706), 5.2 Ω (A-712), 2.6 Ω (A-724)
Preamp OUT: 0 dBV, 600 Ω, unbalanced, RCA pin jack
Rec OUT: 0 dBV, 600 Ω, unbalanced, RCA pin jack
Output Regulation Less than 2 dB, no load to full load
Phantom Power 23 VDC, switchable, Inputs 1 - 6
Module Slot Card edge connector connects to audio input and output points of TOA 900 Series modules. Use of Mute-type
modules is not required in 700 Series models.
Dynamic Range Input 1 - 6: >70 dB
Input 7 - 8, Module: >80 dB
(Band Pass: 20 Hz - 20k Hz, with Tone Controls centered)
Tone Control Bass: ±10 dB at 100 Hz, Treble: ±10 dB at 10k Hz
Control Input Remote Volume: 10k Ω linear-taper potentiometer, Phoenix terminal
Power Remote: No-voltage make contact input
Open voltage: 28 VDC (when unit power is OFF)
Short-circuit: Under 10 mA, Phoenix terminal
Mute Control: No-voltage make contact input
Open voltage: 28 VDC (when unit power is OFF)
Short-circuit: Under 10 mA, Phoenix terminal
Indicator 5-point LED output level meter, Power indicator LED
Power Source 120 VAC, 60 Hz
Power Consumption A-706: 68 W, A-712: 110 W, A-724: 215 W
(Based on UL/CSA standard)
Operating Temperature 14ºF to 104ºF (-10ºC to + 40ºC)
Finish Panel: ABS resin, black, hair line
Case: Steel plate, black
Dimensions (W x H x D) 16.8” x 4.3” x 14.68” (420 x 107.7 x 367 mm)
Weight A-706: 20.55 lbs (9.3 kg), A-712: 27.85 lbs (12.6 kg), A-724: 29.84 lbs (13.5 kg)
Accessories
(included) 4 x Volume Control Security Knobs: YA-920
APPLICATIONS
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
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