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CCI Solutions > M-SM03 > Sound > Audio Amplifiers > Bose PM4250 PowerMatch Amplifier

Bose PM4250 PowerMatch Amplifier 1000 W (250 W x 4 channels at 4 ohms)

configurable professional powermatch amplifier

  • Description
  • Specifications
  • Reviews/Ratings

with ethernet for networked control

The Bose® PowerMatch PM4250 configurable professional power amplifier provides concert-quality sound with a high level of scalability and configurability for fixed installation sound reinforcement systems. Ethernet-equipped versions enable network configuration, control and monitoring, and an expansion slot supports input from optional digital audio accessory cards. QuadBridge™ Technology Allows the 4 available channels to be configured as Mono, V-Bridge, I-Share or Quad mode, allowing the total available power of the amplifier to be allocated to one or more output channels. V-Bridge and Quad modes can drive either low impedance or 70/100V loads.

Features:

  • Bose® ControlSpace® Designer™ software
  • Fully configurable using ControlSpace Designer software via the onboard front panel USB connection, or the rear panel Ethernet connection (network models only).
  • ControlSpace Designer software allows access to additional features including: Parametric EQ stages, load sweep of each output channel and auto standby.
  • Also allows integration of network model PowerMatch amplifiers into larger control and monitoring systems comprised of Bose ESP processors and CC control centers.
  • Auto-Standby/Auto-Wake function. When enabled, this function automatically enters/exits Standby Mode, allowing the system to consume less power.
  • Dual voltage and current feedback loop
  • Combines Class-D efficiency with unique current and voltage feedback loop circuit that continuously monitors and controls both the current and voltage delivered to the loudspeaker load.
  • Consistently delivers the widest possible dynamic range, frequency response and lowest possible distortion, independent of power level and load impedance.
  • PeakBank™ power supply
  • Regenerative 4-quadrant power supply enables higher power density while allowing re-use of energy from reactive loads with repeatable low frequency response.
  • Fast-tracking power factor correction (PFC)
  • Efficiently manages current drawn from AC mains, allowing maximum output for longer periods, without power fluctuation.
  • PFC provides superior transient response and functions at peak burst power longer than conventional Class-D amplifier designs.
Specifications for the Bose PM4250 PowerMatch Amplifier
{ "Power Rating" : { "THD For Power Rating, Typical" : [ "2 Ohms: < 0.1%", "4 Ohms: < 0.1%", "8 Ohms: < 0.1%", "70V: 1%", "100V: 1%" ], "Mono Mode" : [ "2 Ohms: 250 W", "4 Ohms: 250 W", "8 Ohms: 250 W", "70V: Limited use available, tap 70V loudspeakers 2x the desired power", "100V: Limited use available, tap 100V loudspeakers 4x the desired power" ], "V-Bridge Mode" : [ "2 Ohms: 250 W", "4 Ohms: 500 W", "8 Ohms: 500 W", "70V: 400 W", "100V: 500 W" ], "I-Share Mode" : [ "2 Ohms: 500 W", "4 Ohms: 250 W", "8 Ohms: 150 W", "70V: N\/A", "100V: N\/A" ], "Quad Mode" : [ "2 Ohms: 1000 W", "4 Ohms: 1000 W", "8 Ohms: 500 W", "70V: 800 W", "100V: 1000 W" ], "Maximum Rated Power" : "1000 W (250 W x4 channels at 4 Ohms)", "Peak Output Voltage" : "71 \/ 142 V (Mono\/V-Bridge, I-Share, and Quad modes)", "Voltage Gain" : "30 \/ 33 \/ 30 \/ 33 dB (Mono\/V-Bridge\/I-share\/Quad modes)" }, "Audio Performance": { "Frequency Response" : "20 Hz - 20 kHz (at 1 W and ±0.5 dB)", "Signal-to-Noise Ratio, Analog Input" : "99 dB (1 dB below rated power, A-weighted)", "THD" : "< 0.4% (at 1 W, 20 Hz - 20 kHz)", "Intermod Distortion - SMPTE" : "< 0.4% (60 Hz, 7 kHz)", "Channel Separation (Crosstalk)" : "> 65 dB (adjacent channels, at 1 kHz)", "Damping Factor" : "> 1000 (10 - 1000 Hz, 4 Ohms, at amplifier output)" }, "Integrated DSP" : { "A\/D and D\/A Converters" : "48 kHz \/ 24-bit", "Total Latency (Analog In - Amp Out)" : "< 0.95 ms", "Input to Output Signal Routing" : "4 x 4 matrix", "Loudspeaker Presets" : "Bose Professional", "Input EQ" : "5-band PEQ (±20 dB), notch, shelving, high-pass, low-pass", "Bandpass Filters (Crossover)" : "Butterworth, Bessel, or Linkwitz-Riley, up to 48 dB\/octave", "Loudspeaker EQ" : "9-band PEQ (±20 dB), shelving, high-pass, low-pass, 2-band RoomMatch array EQ", "Maximum Output Delay" : "3 s", "Output Limiter" : "Peak and RMS voltage" }, "Audio Inputs" :{ "Analog" : { "Input Channels" : "4 (balanced line level)", "Input Impedance" : "> 100 kOhms", "Sensitivity" : "0, +4, +12, +24 dBu, selectable", "Maximum Input Level" : "+24 dBu (at 24 dBu sensitivity setting)", "Connectors, Input" : "3-pin Phoenix Contact (gree color, part # 1776168)" }, "Digital (Optional Card)" : { "Input Channels" : "4, selectable range", "Input Impedance" : "N\/A", "Sensitivity" : "Digital - 0, -12, -20, -24 dBFS, selectable", "Maximum Input Level" : "N\/A", "Connectors, Input" : "Card dependent" }, "Audio Outputs" : { "Output Channels" : "1 to 4 (configurable)", "Connectors, Output" : "8-pin Phoenix Contact connectors (part # 1778120) supports 10-24 AWG wire" }, "Indicators and Controls" : { "LED Status Indicators" : "Signal, Limit, Clip, Fault", "User Interface Controls" : "Mute, input sensitivity, output configuration, output attenuation, EQ on\/off, preset select, 240x64 LCD. Additional controls available w\/ ControlSpace Designer software" }, "Electrical Specifications" : { "Mains Voltage" : "100 - 240 V (50\/60 Hz)", "Mains Circuit Recommendation" : "15 A (120 V) or 10 A (230 V)", "Mains Connector" : "IEC 60320-C14 (Inlet)", "Minimum AC Line Voltage" : "80 V (reduced output power)", "Maximum Inrush Current" : "15.4 A (230 VAC, 50 Hz)", "Maximum RMS Current Draw" : "4 A", "Efficiency, 1\/3 Rated Power" : "> 66% (pink noise input signal)", "Overload Protection" : "High temperature, DC, HF, short, voltage limiter, current limiter, inrush current, mains circuit breaker protection" }, "Physical" : { "Dimensions" : "3.5" H x 19" W x 20.7" D (88 x 483 x 525 mm), 2 rack space", "Net Weight" : "24.4 lbs (11.1 kg)", "Mounting Depth" : "21" (533 mm)", "Operating Temperature" : "32°F - 104°F (0°C - 40°C)" }, "General" : { "Setup and Configuration Software" : "ControlSpace Designer software V3.2 or greater", "PC Interface Connection" : "USB", "Fault Notification Output" : "NC\/NO relay contact (1 A, 30 VDC), 3-pin Phoenix Contact connector (orange color, part # 1976010)" } } }
Overall Rating:  N/A Number of Reviews: 0
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