Specifications, Part Numbers, and Accessories

Audio

Frequency response

20 Hz to 20 kHz, ±1 dB @ 1 watt output

THD + Noise

0.15% @ 1 kHz at nominal level (1 watt,

 

8 ohm load)

S/N

>72 dB @ 20 Hz to 20 kHz at maximum

 

output (unweighted)

Stereo channel separation

>55 dB @ 1 kHz, >45 dB @ 20 kHz

CMRR

>80 dB @ 1 kHz, >70 dB @ 20 kHz

Bass adjustment

±10 dB @ 80 Hz (reference) to 1 kHz (2 dB

 

tolerance)

Treble adjustment

±10 dB @ 10 kHz (reference) to 1 kHz (2

 

dB tolerance)

Audio input

Number/signal type

1 stereo, balanced/unbalanced input

 

2 stereo, unbalanced inputs

 

(The three inputs are individually

 

buffered and mixed together.)

Connectors

(1) 3.5 mm captive screw connector, 5 pole

 

(main input)

 

(1) 3.5 mm mini audio jack (tip, ring,

 

sleeve)

 

1 pair RCA

Impedance

>18k ohms unbalanced, >24k ohms

 

balanced, DC coupled

Nominal level

+4 dBu (1.23 Vrms) balanced or -10 dBV

 

(316 mVrms) unbalanced

Maximum level

 

Level pot. at 12 o’clock ....

+6 dBV (unbalanced), +16 dBu (balanced)

 

at 1% THD+N

Level pot. at 9 o’clock

+16 dBV (unbalanced), +23 dBu (balanced)

 

at 1% THD+N

Input level sensitivity

-10 dBV (316 mV) from unbalanced input

 

for maximum output (11 watts with a

 

4 ohm load and level set to maximum)

 

before clipping

0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV 2 dBu

Audio output

Number/signal type

1 stereo or 2 mono (2 channels total)

Connectors

(1) 5 mm captive screw connector, 4 pole

Minimum load impedance

4 ohms

Amplifier type

Improved Class D

Continuous power with a full load and 1% THD

At 4 ohms

11 watts (rms) per channel

At 8 ohms

7 watts (rms) per channel

Damping factor

>30 (with a 4 ohm load)

Control/remote — amplifier

Control port

(1) 3.5 mm captive screw connector, 3 pole

Pin configuration

Pin 1 = 10 V, pin 2 = variable voltage or

 

mute, pin 3 = GND

General

External power supply

100 VAC to 240 VAC, 50/60 Hz, external,

 

autoswitchable; to 12 VDC, 3 A (max.),

 

regulated

Power input requirements

12 VDC, up to 3 A

Temperature/humidity

Storage: -40 to +158 °F (-40 to +70 °C) /

 

10% to 90%, noncondensing

 

Operating: +32 to +122 °F (0 to +50 °C) /

 

10% to 90%, noncondensing

Rack mount

Yes, with optional 1U rack shelf, part #60-

 

190-01 or 60-604-01; or VersaTools® rack

 

shelf, part #60-190-20 or 60-604-20. Above-

 

projector mountable with optional Multi-

 

Product Projector Mounting Kit #70-374-

 

01. Also furniture mountable with

 

optional Mini Under-Desk Mounting Kit,

 

#70-212-01.

Enclosure type

Metal

Enclosure dimensions

1.7" H x 4.3" W x 3.0" D (1U high, quarter

 

rack wide)

 

4.3 cm H x 10.9 cm W x 7.6 cm D

 

(Depth excludes connectors.)

Product weight

0.6 lbs (0.3 kg)

Shipping weight

3 lbs (2 kg)

Vibration

ISTA 1A in carton (International Safe

 

Transit Association)

A-2

MPA 122 • Specifications, Part Numbers, and Accessories

MPA 122 • Specifications, Part Numbers, and Accessories

A-3

Page 14
Image 14
Extron electronic MPA 122 Specifications, Part Numbers, and Accessories, Audio input, Control/remote amplifier

MPA 122 specifications

Extron Electronics is known for its innovative solutions in the field of professional AV systems, and among its comprehensive range of products, the MPA 122 stands out as a highly versatile audio amplifier. Designed to deliver clear and powerful audio in various applications, the MPA 122 is particularly well-suited for installations in conference rooms, classrooms, and other environments where high-quality sound reinforcement is essential.

One of the main features of the Extron MPA 122 is its ability to deliver 2-channel power, with output capabilities of 2 x 60 watts into 4-ohm loads. This dual-channel setup allows for extensive variances in configuration, catering to both stereo and monaural applications. Users can leverage the compact design of the MPA 122, which takes up minimal rack space while providing ample audio output.

The MPA 122 incorporates Extron's advanced Class D amplifier technology, which ensures high efficiency and low power consumption while still delivering impressive sound quality. This technology contributes to reduced operating costs and less heat generation, making the amplifier ideal for integration into tight spaces.

Another characteristic that enhances the MPA 122's appeal is its wide range of input options. The amplifier features both balanced and unbalanced inputs, including 3.5mm stereo and Euroblock connectors. This flexibility simplifies integration into existing systems, allowing users to connect various audio sources seamlessly.

The amplifier also offers comprehensive signal processing capabilities. Integrated DSP features include comprehensive equalization and limiting functions, which allow users to fine-tune the audio output for specific environments. This level of customization ensures that the sound produced is balanced and appropriate for the specific space being used.

Moreover, the MPA 122 is equipped with a built-in priority mixing capability. This function allows one signal to take precedence over others, making it ideal for applications that require announcements or emergency message broadcasting.

Reliability is another key consideration with the MPA 122. The unit is designed for long-term, continuous use and comes with a robust cooling system to prevent overheating during extended operational periods.

In conclusion, the Extron MPA 122 is a high-performance audio amplifier that combines compact design with extensive capabilities. With its advanced technology, versatility in connectivity, and user-friendly features, it stands as an excellent choice for various audio amplification needs in professional installations.