Media Presentation Audio Amplifier, 70 Volt
This product has been discontinued. Please contact Crestron True Blue Support at 1-888-CRESTRON for a replacement solution or more information.
Provides an ENERGY STAR® qualified 70V or 100V power amplifier that can be installed virtually anywhere, even above a suspended ceiling.
The Crestron® MP-AMP40 series offers a choice of 70V or 100V audio amplifiers, each designed to provide a convenient, low-cost amplifier solution for a variety of applications. These amplifiers are ENERGY STAR® qualified to enable organizations to fulfill their green initiatives without compromising on audio performance.[1] Each model is equipped for shelf or surface-mounting to enable installation virtually anywhere without requiring an equipment rack. Each model meets the requirements of UL 2043 for installation in an environmental air-handling (plenum) space, such as above a suspended ceiling[2].
Two models are offered. The MP-AMP40-70V has a 70 Volt output, and the MP-AMP40-100V has a 100 Volt output. High-efficiency Class D circuitry delivers 40 Watts to drive a distributed speaker system in a meeting room, classroom, or any other space. The output is transformer isolated to handle long and complex wire runs.
Refined, reliable operation is ensured thanks to pop-free turn-on circuitry and electronic short-circuit and overload protection. An energy-saving design achieves optimum efficiency under load, and the amplifier powers down automatically when no input signal is detected for more than 5 minutes, reducing overall power consumption and heat as part of a green system design. The amplifier quickly powers back on the instant an input signal is detected. Its extruded aluminum housing is both attractive and effective at dissipating heat, affording a silent running design without cooling fans.
Installation and setup is simple. A detachable output connector facilitates the termination of speaker wiring up to 12 gauge. Balanced and unbalanced inputs accommodate either a mono or stereo line-level source[3], allowing for direct connection to the output of a video projector or display, audio processor, mixer, or AV switcher. Rotary controls provide for adjusting the overall output volume, as well as bass and treble.
Key Features
- Compact single-channel power amplifier
- ENERGY STAR® qualified[1]
- 40 Watts at 70 or 100 volts (mono)
- Transformer isolated output
- High-efficiency Class D topology
- Energy saving design reduces power consumption when idle
- Convection cooled for noiseless operation
- Simple volume, bass, and treble adjustments
- Electronic short-circuit and overload protection
- Detachable terminal block speaker connection
- Balanced line input via detachable terminal block
- Unbalanced RCA line input, 3' cable included
- Built-in stereo to mono summing
- Includes surface mounting brackets
- UL 2043 compliant for installation within a plenum-rated suspended ceiling[2]
| Audio |
| |
Input Volume Range |
-60dB to +15dB |
| |
Bass Gain Range |
±10dB @ 100Hz |
| |
Treble Gain Range |
±12dB @ 10kHz |
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Frequency Response |
80Hz to 20kHz ±2.5dB |
| |
S/N Ratio |
75dB 80Hz to 20kHz A-weighted |
| |
THD+N |
0.5% @ 1kHz |
| |
Output Power (MP-AMP40-70V) |
40 Watts at 70 Volts (Transformer isolated) |
| |
Output Power (MP-AMP40-100V) |
40 Watts at 100 Volts (Transformer isolated) |
| |
Amplifier Protection |
Electronic short-circuit and overload protection |
| |
Input Detection Threshold |
30mV RMS @ 1kHz |
| Connectors |
| |
AUDIO IN, L/MONO & R (unbalanced) |
(2) RCA female;
Unbalanced stereo or mono line-level audio input[3];
Maximum Input Level: 2 Vrms mono, 1 Vrms stereo;
Input Impedance: 15k Ohms;
3 ft (0.9 m) stereo RCA-RCA cable included |
| |
AUDIO IN, L/MONO & R (balanced) |
(1) 5-pin 3.5mm detachable terminal strip;
Balanced/unbalanced stereo or mono line-level audio input[3];
Maximum Input Level: 2 Vrms mono, 1 Vrms stereo;
Input Impedance: 15k Ohms |
| |
AUDIO OUT 70V (MP-AMP40-70V only) |
(1) 2-pin 5mm detachable terminal block;
70V speaker-level audio output;
Wire Size: Connector accepts 12 AWG maximum;
Output Power: 40 Watts at 70 Volts |
| |
AUDIO OUT 100V (MP-AMP40-100V only) |
(1) 2-pin 5mm detachable terminal block;
100V speaker-level audio output;
Wire Size: Connector accepts 12 AWG maximum;
Output Power: 40 Watts at 100 Volts |
| |
PWR 24VDC 2.0A |
(1) 2.1 x 5.5 mm DC power connector;
24 Volt DC power input (power pack included) |
| |
G |
(1) 6-32 screw, chassis ground lug |
| Controls & Indicators |
| |
PWR |
(1) green LED, indicates operating power supplied from external power pack |
| |
BASS |
Rotary low frequency boost/cut adjustment, flat at center detent |
| |
TREBLE |
Rotary high frequency boost/cut adjustment, flat at center detent |
| |
VOL |
Rotary input level adjustment |
| Power Requirements |
| |
Power Pack |
2.0 Amps @ 24 Volts DC;
100-240 Volts AC, 50/60 Hz power pack included[1] |
| |
Power Consumption |
14 Watts at 1/8th output power;
6.2 Watts idle;
750 mW standby |
| Environmental |
| |
Temperature |
41° to 122°F (5° to 50°C) |
| |
Humidity |
10% to 90% RH (non-condensing) |
| |
Heat Dissipation |
26 BTU/Hr at 1/8th output power |
| Enclosure |
| |
Chassis |
Aluminum w/polycarbonate label overlay, vented rear, meets the requirements of UL 2043 for installation in an environmental air-handling (plenum) space[2] |
| |
Faceplate |
Plastic w/polycarbonate label overlay |
| |
Mounting |
Freestanding or surface mount (adhesive feet and mounting brackets included) |
| Dimensions |
| |
Height |
2.38 in (61 mm) with feet;
2.45 in (62 mm) with bracket |
| |
Width |
8.12 in (207 mm);
9.40 (239 mm) with bracket |
| |
Depth |
5.87 in (149 mm) |
| Weight |
| |
3.4 lb (1.6 kg) |
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