Bose Professional - PowerMatch PM8250N
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Multichannel Amplifier
The Bose PowerMatch PM8250N professional power amplifier delivers concert-quality sound with high scalability and configurability for fixed-installation sound reinforcement systems. Thanks to QuadBridge technology, the four available channels can be configured in mono, V-Bridge, I-Share or Quad mode, allowing the amplifier's total available power to be allocated to one or more output channels.
ARTICLE N° 93618
Presentation
The Bose PowerMatch PM8250N professional power amplifier represents a major advance in audio amplification for fixed installations. With its QuadBridge technology, it offers unparalleled versatility, allowing users to configure the four available channels in mono, V-Bridge, I-Share or Quad mode, depending on the specific needs of their audio system. This allows precise allocation of available power to meet the requirements of each situation, whether for low impedance or 70/100V applications.
The PowerMatch PM8250N amplifier features Bose Professional ControlSpace Designer technology, which greatly simplifies the setup process. With a USB connection on the front or an Ethernet connection on the rear, users can access a wide range of advanced features, including parametric EQ stages, load scanning for each output channel and an auto-sleep function.
In addition, the PowerMatch PM8250N amplifier incorporates a Bose proprietary dual current and voltage feedback loop that continuously monitors and controls both the current and voltage delivered to the loudspeaker load. Regardless of power level and load impedance, the amplifier delivers maximum dynamic range, extended frequency response and minimal distortion.
Thanks to its PeakBank power supply, the PowerMatch PM8250N amplifier offers high power density while reusing energy from reactive loads, which is usually wasted in conventional Class-D designs. This highly efficient amplifier design ensures long-lasting, reproducible low-frequency response.
The amplifier also features fast-response Active Power Factor Correction (PFC), which effectively manages the current drawn from the mains, allowing the amplifier to drive the loudspeakers at full power for longer without power fluctuation. This function guarantees superior transient response, satisfying the requirements of even the most demanding programme material.
The PowerMatch PM8250N amplifier features Bose Professional ControlSpace Designer technology, which greatly simplifies the setup process. With a USB connection on the front or an Ethernet connection on the rear, users can access a wide range of advanced features, including parametric EQ stages, load scanning for each output channel and an auto-sleep function.
In addition, the PowerMatch PM8250N amplifier incorporates a Bose proprietary dual current and voltage feedback loop that continuously monitors and controls both the current and voltage delivered to the loudspeaker load. Regardless of power level and load impedance, the amplifier delivers maximum dynamic range, extended frequency response and minimal distortion.
Thanks to its PeakBank power supply, the PowerMatch PM8250N amplifier offers high power density while reusing energy from reactive loads, which is usually wasted in conventional Class-D designs. This highly efficient amplifier design ensures long-lasting, reproducible low-frequency response.
The amplifier also features fast-response Active Power Factor Correction (PFC), which effectively manages the current drawn from the mains, allowing the amplifier to drive the loudspeakers at full power for longer without power fluctuation. This function guarantees superior transient response, satisfying the requirements of even the most demanding programme material.
Features
Canals
8
Effects
DSP effects
Amplification type
Class D
Peak power (W)
500
RMS power (W)
250
Power supply
Power adapter (included)
19" rack
2U, Yes
Other features
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Bose PowerMatch PM8250N
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Professional 8-channel power amplifier, configurable
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Channel separation (crosstalk): > 65 dB, adjacent channels at 1 kHz
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Frequency response: 20 Hz - 20 kHz (±0.5 dB) at 1 W
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Gain, Impedance High: 42 dB
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Gain, Impedance Low: 33 dB in Mono mode / 39 dB in V-Bridge mode / 33 dB in I-Share mode / 39 dB in Quad mode
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Maximum Peak Power, Symmetrical : 500 W
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Number of Channels: 8
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Amplifier Class: Class D
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RMS power, balanced: 250 W per channel at 2 Ω, 4 Ω, 8 Ω
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Signal-to-noise ratio (SNR): > 99 dB (1 dB below rated power, A-weighted)
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THD+N: < 0.4% at 1 W (20 Hz - 20 kHz)
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Audio inputs, analogue :
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Channels: 8 balanced, line
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Connectors: x1 x 3-pin Euroblock, 3.81 mm
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Input Impedance: > 100 kΩ
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Maximum Input Level: 24 dBu at 24 dBu sensitivity
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Sensitivity: 0 dBu, +4 dBu, +12 dBu, +24 dBu, selectable
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Audio outputs, analogue :
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Channels: 2-8, configurable
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Connectors: x2 8-pin Euroblock
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Electrical :
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Standby Current: 0.3 A (standby) or 1.3 A (awake) at 120 VAC, 60 Hz / 0.1 A (standby) or 0.5 A (awake) at 230 VAC, 50 Hz
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Mains connector: IEC 60320-C14 socket
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Mains Voltage: 100-240 VAC, 50/60 Hz
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Power Consumption: 31 W standby (idle), 176 W awake (idle), 975 W maximum
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Indicators and controls
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Controls, Front Panel: x1 navigation key, x5 menu keys, x1 rotary/selector knob (rotary/push)
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Controls, Rear Panel: AC power/on/off switch
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LED indicators: x1 input signal LED, x1 input clip LED, x1 output limit LED, x1 fault LED
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Integrated DSP:
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A/D and D/A conversion: 48 kHz / 24 bits
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Audio latency: < 0.95 ms, analogue input to analogue output
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Crossover types: Butterworth, Bessel or Linkwitz-Riley, up to 48 dB/octave
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Equalisation: 5-band parametric equalisation (±20 dB), rounding, shelving, high-pass, low-pass equalisation
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Colours: Black
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Cooling system : Microprocessor-controlled variable-speed fans, front-to-rear airflow
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Mounting / Hanging Arrangements : Standard rack mounting
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Operating Temperature: 0 °C to 40 °C
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Product Dimensions: 88 × 483 × 525 mm
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Rack Spaces: 2
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Net Weight: 12.9 kg
