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By: TOA
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Premier Commercial Audio & Security
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Modular Digital Matrix Mixer/Amplifier, Up to 8 Mic/Line Inputs/7 Line Outputs

The A-9240SHM2 Amplifier is designed to be used in conjunction with optional modules and can be configured for up to 8 inputs and 8 outputs. 9000 series modules as well as existing 900 series input modules can be used. The most appropriate modules can be selected depending on applications. Since it comes with one 240 W power amplifier, it can individually perform multi-origin broadcasts. It is equipped with signal processing and control functions necessary for sound reinforcement, permitting all parameters to be set at the mixer. Settings data can be stored inside the unit and called up using the keys on the front panel.

Power Source

120 V AC, 60 Hz

Power Consumption

250 W

Rated Output

240 W

Audio Input

Max. 8 channels, modular construction (modules optional)
Power amplifier input: 0 dB(*1), 10 kΩ, RCA pin jack

Audio Output

Preamplifier output 1: 0 dB(*1), 300 Ω, unbalanced, RCA pin jack
Preamplifier output 2: 0 dB(*1), 600 Ω, balanced, removable terminal block (3 pins)
Speaker output: 240 W, 21 Ω, BTL output, removable terminal block (4 pins)

Module Slot

Analog input (slot 1 - 8): -10 dB(*1), 10 kΩ, unbalanced
Digital input (slot 1 - 4): 24 bit/48 kHz
MIX output (slot 1 - 8): -14 dB(*1), 330 Ω (CH 1 prefader output), unbalanced
Digital output (slot 5 - 7): 24 bit/48 kHz
Power supply (slot 1 - 8): +24 V, -24 V, +6 V DC

Digital Audio Signal Reference Level

-20 dBFS

Power Bandwidth

20 Hz - 20 kHz, 0.008 % THD

Frequency Response

Power amplifier section: 20 Hz - 20 kHz, +0, -1 dB
Analog input module to speaker output: 20 Hz - 20 kHz, +1, -3 dB

Total Harmonic Distortion

Power amplifier section: 0.0008 % (22 kHz LPF, 1 kHz, rated power)
Analog input module to speaker output: 0.008 % (22 kHz LPF, 1 kHz, rated power)

S/N Ratio

At Input short, 20 Hz - 20 kHz, set to ALL FLAT or OFF setting
Output volume min.: 90 dB (preamplifier output)
Output volume max.: 61 dB
(preamplifier output, Input 1 volume: 0 dB, Other Inputs: OFF)
Power amplifier section: 110 dB

Cross Talk

64 dB or more (at 20 kHz)

Tone Control

Bass: ±12 dB (at 100 Hz)
Treble: %%p12 dB (at 10 kHz)

Parametric Equalizer

10 bands, Frequency: 20 Hz - 20 kHz, 31 points, Variable range: ±12 dB, Q: 0.3 - 5

Speaker Equalizer

10 (setup software has 30 TOA speaker presets)

High-pass Filter

-12 dB/oct, Variable frequency range: 20 Hz - 20 kHz, 31 points

Low-pass Filter

-12 dB/oct, Variable frequency range: 20 Hz - 20 kHz, 31 points

Compressor

Depth: 1 - 5

Delay

0 - 40 ms (1 ms steps), maximum 40 ms (CH 1 + CH 2), mixer mode only

Scene/Event Memory

32

Auxiliary Function

Key lock function

Control Input/Output

RS-232C(*2), D-sub connector (9 P, female)
Control input: 4 inputs, no-voltage make contact input, open voltage: 3.3 V DC,
short-circuit current: 1 mA or less, removable terminal block (14 pins)
Control output: 4 outputs, open collector output, withstand voltage: 27 V DC,
control current: 50 mA, removable terminal block (14 pins)
Remote volume: 2 channels, connect a 10 kΩ/linear taper variable resistor or
input the DC voltage of 0 to +10 V, removable terminal block (14 pins)

Operating Temperature

-10 ℃ to +40 ℃ (14 ゜F to 104 ゜F)

Operating Humidity

35 % to 80 %RH (no condensation)

Finish

Panel: Aluminum, hair-line, black
Case: Surface-treated steel plate, black, paint

Dimensions

420 (W) × 107.6 (H) × 395 (D) mm (16.54" × 4.24" × 15.55")

Weight

11 kg (24.25 lb)

Accessory

Power cord (2 m (6.56 ft)) …1, Rack mounting bracket …2, Bracket mounting screw …4,
Blank panel …7, Blank panel mounting screw …14,
Removable terminal plug (3 pins) …1, Removable terminal plug (4 pins) …1,
Removable terminal plug (14 pins) …1, CD …1



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Prices and specifications subject to change without notice.