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PowerMatch® PM8250/PM8250N

Профессиональный конфигурируемый усилитель

Профессиональный конфигурируемый усилитель мощности Bose® PowerMatch® PM8250 обеспечивает звук концертного качества с возможностью масштабировать и конфигурировать систему под индивидуальные задачи. Сетевые модели предоставляют функции удаленного конфигурирования и мониторинга. Объединяя в себе многочисленные технологии Bose, усилители мощности PowerMatch обеспечивают беспрецедентную комбинацию рабочих характеристик, эффективности и простоты инсталляции. И все это в надежном, запатентованном корпусе.

Power Rating
THD for Power Rating, Typical
2 Ω 4 Ω 8 Ω 70 V 100 V
         
< 0.1 % < 0.1 % < 0.1 % 1 % 1 %
Mono Mode
250 W 250 W 250 W See footnote 3 See footnote 3
V-Bridge Mode
250 W2 500 W 500 W 400 W 500 W
I-Share Mode
500 W 250 W2 150 W2 Not available Not available
Quad Mode
1000 W2 1000 W 500 W2 800 W 1000 W
Maximum Rated Power 2000 W (250 W x 8 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 Specifications
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 to 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 8 x 8 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
Input Channels
Analog Digital (Optional Card)
   
8 (balanced line level) 8
Input Impedance
> 100 kΩ N/A
Sensitivity
0, +4, +12, +24 dBu, selectable Digital: 0, -12, -20, -24 dBFS, selectable
Maximum Input Level
+24 dBu (at 24 dBu sensitivity setting) N/A
Connectors, Input
3-pin Phoenix Contact® (green color; part # 1776168) Card Dependent
Audio Outputs
Output Channels 2 to 8 (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 attenuation, EQ on/off, preset select. 240 x 64 LCD. Additional controls available w/ ControlSpace® Designer™ software
Electrical Specifications
Mains Voltage 100-240 V (50/60 Hz)
Mains Circuit Recommendation 15A (120 V) or 10A (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 8 A
Efficiency, 1/3 Rated Power > 68 % (pink noise input signal)
Output Stage Topology Class-D
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 mm x 483 mm x 525 mm)- 2 rack space
Net Weight
   
28.3 lb (12.8 kg) Shipping Weight: 34 lb (15.4 kg)
Mounting Depth 21" (533 mm)
Operating Temperature 32 °F - 104 °F (0 °C - 40 °C)
Cooling System Microprocessor-controlled, variable-speed fans, front to rear airflow
General
Setup and Configuration Software ControlSpace® Designer™ software V3.2 or greater
PC Interface Connection USB (Network version adds Ethernet RJ45)
Fault Notification Output NC/NO Relay Contact (1 A, 30 VDC), 3-pin Phoenix Contact® connector (orange color; part # 1976010)
Footnotes:
  1. Output power is measured per channel, all channels driven, using test signals at 1 kHz.
  2. Configuration not recommended / not optimal.
  3. Limited use available. Tap 70V loudspeakers 2x the desired power. Tap 100V loudspeakers 4x the desired power.
  4. Measured at +24 dBu sensitivity unless otherwise specified.