Extron electronic MPA 401-70V manual Specifications, Audio

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Specifications

Audio

Voltage gain

 

MPA 401-70V

 

RCA and TRS inputs

222x (47 dB)

Captive screw input

57x (35 dB)

MPA 401-100V

 

RCA and TRS inputs

317x (50 dB)

Captive screw input

81x (38 dB)

CMRR

75 dB (typical) @ 1 kHz

Bass adjustment

±10 dB @ 100 Hz

Treble adjustment

±10 dB @ 10 kHz

Audio input

Number/signal type

1 stereo/mono, balanced/unbalanced input

 

2 stereo/mono, unbalanced inputs

 

(The three inputs are individually buffered and mixed together. Stereo signals

 

are actively summed into a mono signal.)

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

>10k ohms balanced/unbalanced, DC coupled

Maximum level

+20 dBu (balanced, captive screw) or +4 dBV (unbalanced, RCA/TRS) at

 

1% THD+N

Input sensitivity

 

RCA and TRS inputs

-10 dBV if driven by one input

 

-16 dBV if both inputs are summed

Captive screw input

+4 dBu if driven by one input

 

-2 dBu if both inputs are summed

NOTE:

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

Audio output

Number/signal type

MPA 401-70V

1 single channel (mono) 70 V

MPA 401-100V

1 single channel (mono) 100 V

Connectors

(1) 5 mm screw lock captive screw connector, 2 pole

Load impedance

 

MPA 401-70V

125 ohms minimum

MPA 401-100V

250 ohms minimum

Frequency response

80 Hz to 20 kHz, +1 dB/-3 dB, 1 watt

THD + Noise

<0.2% @ 1 kHz at 3 dB below clipping

S/N

>75 dB, 20 Hz to 20 kHz, unweighted

Damping factor

>100

High pass filter

80 Hz, 12 dB/octave roll off

Amplifier type

Class D

MPA 401-70V and MPA 401-100V • Specifications

10

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Contents MPA 401 Series Precautions Notational Conventions Used in this Guide Page Contents MPA 401-70V and MPA 401-100V Contents Introduction MPA 401-70V and MPA 401-100V DescriptionMPA 401-70V and MPA 401-100V Features Rear Panel Cabling Rear Panel CablingPower Input Connecting the EPS 1250 C Power Supply to the MPAPS 1230 Power Supply Audio InputsRemote Input Connector Speaker ConnectionsSetup Operation Front Panel FeaturesSetting Input Level Setting Bass and TrebleRemote Control Options Extron MPASpecifications AudioControl/remote amplifier Parts Accessories Included PartsOptional Accessories Tabletop Placement Plenum PlacementMounting Rack Mounting UL Guidelines For Rack MountingThrough-desk Mounting Under-desk MountingProjector Mounting Extron Warranty Extron USA West Extron USA East
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MPA 401-70V specifications

The Extron Electronics MPA 401-70V and MPA 401-100V are powerful, compact audio power amplifiers designed for efficient performance in a variety of professional audio applications. These amplifiers are specifically tailored for use in systems that require reliable, high-quality audio distribution in challenging environments, such as schools, corporate settings, and commercial spaces.

One of the standout features of the MPA 401 series is its versatility in supporting both 70V and 100V speaker systems. This functionality allows for easy integration into existing audio setups, accommodating different types of speakers and installation requirements. The MPA 401-70V and MPA 401-100V boast an output power rating of 40 watts per channel, providing ample power for driving multiple speakers while maintaining audio clarity and precision.

Another key technology employed in these amplifiers is their efficiency and thermal management, which are critical for long hours of operation. The MPA 401 series is designed with an advanced Class D output stage, ensuring high efficiency while minimizing heat generation. This not only leads to lower energy costs but also increases the reliability of the devices, ensuring consistent performance even in demanding conditions.

The MPA 401 amplifiers are equipped with comprehensive input options, including both balanced and unbalanced inputs to accommodate various audio sources. This flexibility makes it easy to connect microphones, mixers, and other audio sources, ensuring that users have the tools needed to create a seamless audio experience. Additionally, each amplifier includes a built-in high-pass filter, which can help optimize the sound when used with specific speaker types.

Including features such as fault protection, short circuit protection, and thermal protection, the MPA 401 amplifiers ensure both safety and longevity in operations. Their compact design makes them ideal for installation in tight spaces, while the rugged construction guarantees durability in any environment.

Furthermore, the amplifiers offer front-panel controls, providing users instant access for volume adjustments and signal monitoring. This simplicity of use enhances the overall user experience, allowing for quick adaptations and optimizations on the fly.

In summary, the Extron MPA 401-70V and MPA 401-100V are robust amplifiers designed to withstand various environmental challenges while delivering exceptional audio performance. Their combination of power, efficiency, and flexibility makes them an excellent choice for a broad range of professional audio applications.