Toa Electronics A-9120SM2 Modular Amplifier

Modular Digital Matrix Mixer/Amplifier- Up to 8 Inputs and 8 Outputs- Digital Signal Processor/Amplifier (1x 120W @ 25/70V- 4/8 ohms)- RS-232C control- Rack-Kit Included (2U)


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SKU A-9120SM2 CU Categories ,


The A-9120SM2 Modular Amplifier from Toa Electronics is designed to be used in conjunction with optional Toa 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 with the A-9120SM2. Its 120 W power amplifier allows it to individually perform multi-origin broadcasts. It is equipped with signal processing and control functions necessary for sound reinforcement, permitting all parameters to be set using the mixer. Settings data can be stored inside the unit and called up using the keys on the front panel.

Form Factor/Type Rackmount
Number of Channels 8
Power Rating 120 W
Protections Key Lock/Security Cover
Frequency Response 20 Hz to 20 kHz +1/-3 dB
I/O Impedance RCA Amplifier Input:
10 Kilohms
RCA Preamp Output:
300 Ohms (Unbalanced)
Block Preamp Output:
600 Ohms (Balanced)
Block Speaker Output:
21 Ohms
Input Level Amplifier:
0 dB
Output Level Preamp:
0 dB (Unbalanced)
0 dB (Balanced)
SNR Preamp:
90 dB (Input-Shorted, 20 Hz to 20 kHz, Controls Flat, Min Volume)
61 dB (Input-Shorted, 20 Hz to 20 kHz, Controls Flat, Max Volume)
110 dB
THD 0.008% (22 kHz Bandwidth, 1 kHz, at Rated Power)
Crosstalk ≥ 64 dB (20 kHz)
Signal Processing
Audio Delay Adjustable Up to 40 ms
EQ 10-Band Parametric EQ
Bass: ±12 dB at 100 Hz
Treble: ±12 dB at 10 kHz
Filters High-Pass:
20 Hz to 20 kHz, 12 dB/Octave
20 Hz to 20 kHz, 12 dB/Octave
Compressor Yes
Audio I/O 1 x RCA Unbalanced Amplifier Input
1 x RCA Unbalanced Preamp Output
1 x Block 3-Pin Balanced Preamp Output (Detachable)
Other I/O 1 x DE-9/DB-9 RS-232
1 x Block 14-Pin Control
Speaker Outputs 1 x Block 7-Pin (Detachable)
Number of Module Slots 8
AC Input Power 120 VAC, 60 Hz
Power Consumption 150 W
Rackmount Size 2 RU
Operating Temperature 14 to 104°F / -10 to 40°C
Operating Humidity 35 to 80% (Non-Condensing)
Dimensions 16.5 x 4.2 x 14.0″ / 420.0 x 107.6 x 355.0 mm
Weight 28.7 lb / 13 kg
Packaging Info
Package Weight 34.4 lb
Box Dimensions (LxWxH) 21.26 x 17.717 x 7.283″

Additional information

Weight 34.40 lbs
Dimensions 17.72 × 21.26 × 7.28 in


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