MPA 401-100V - Receiver Extron - Free user manual and instructions
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| Product Type | Multi-Channel Audio Power Amplifier (Receiver) |
| Model | MPA 401-100V |
| Brand | Extron |
| Number of Channels | 4 |
| Amplifier Type | Class D |
| Output Power per Channel | 100 W RMS at 100V line (70V/100V distributed audio) |
| Total Output Power | 400 W RMS |
| Frequency Response | 20 Hz - 20 kHz ±0.5 dB |
| Signal-to-Noise Ratio | >100 dB |
| Input Connectors | 4 x Euroblock (balanced line level) |
| Output Connectors | 4 x Euroblock (high-impedance 100V line) |
| Control Port | RS-232, Ethernet (optional) |
| Cooling | Fan-cooled, variable speed |
| Protections | Short circuit, thermal, overcurrent, DC offset |
| Power Supply | 100-240 VAC, 50/60 Hz, 500 W (max) |
| Dimensions (H x W x D) | 1U (1.75" x 17" x 10") / 44 x 432 x 254 mm |
| Weight | 8.5 lbs (3.85 kg) |
| Rack Mount | Yes, 1U with included brackets |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) |
| Compliance | UL, CE, RoHS |
| Warranty | 3 years (standard) |
Frequently Asked Questions - MPA 401-100V Extron
What type of speakers can I connect to the MPA 401-100V?
This amplifier is designed for high-impedance (100V line) distributed audio systems. Connect speakers with built-in step-down transformers or use external transformers. Do not use low-impedance speakers (e.g., 4-8 ohms) directly.
How do I bridge two channels for more power?
The MPA 401-100V does not support bridging. Each channel is independent and delivers 100W into a 100V line. For higher power, consider a different model.
Can I use this amplifier with 70V speakers?
Yes. The MPA 401-100V works with both 70V and 100V line systems. Simply connect the speakers accordingly; the amplifier automatically adapts.
How do I wire the input connections?
Use the supplied Euroblock connectors. For balanced input, connect signal to (+), (–) to (-), and ground to (G). For unbalanced, connect signal to (+), and bridge (-) and (G).
What is the maximum distance for speaker wires?
In 100V line systems, you can run speaker wires up to several hundred feet without significant loss, depending on wire gauge. Use 14-18 AWG for longer runs.
Does this amplifier have a standby mode?
Yes. The MPA 401-100V features an automatic standby mode that activates after 30 minutes of no audio signal, reducing power consumption to <5W.
How do I reset the amplifier?
To reset, cycle power off and on. For factory defaults, press and hold the front panel ‘Reset’ button (if present) for 5 seconds while powering on.
Can I daisy-chain the power to multiple units?
No. Each amplifier requires its own dedicated power outlet. Do not exceed the recommended current rating of the circuit.
What maintenance is required?
Periodically check air vents for dust buildup and clean with a soft brush. Ensure proper ventilation to prevent overheating. No internal adjustments are needed.
Is the amplifier compatible with Extron control systems?
Yes. It can be controlled via RS-232 or optional Ethernet using Extron’s Global Configurator software. Third-party control systems can also communicate via simple ASCII commands.
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