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Bose PM4500 Технический паспорт
PowerMatch® PM4500 / PM4500N
configurable power amplifier

Technical Specifications

Power Rating
2 Ω
THD for Power Rating, Typical
< 0.1 %
500 W
Mono Mode
500 W
V-Bridge Mode
1000 W
I-Share Mode
1000 W
Quad Mode
Maximum Rated Power
2000 W (500 W x 4 channels at 4 ohms)
Peak Output Voltage
71 / 142 V (Mono / V-Bridge, I-Share, and Quad modes)
Voltage Gain
33 / 36 / 33 / 36 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
> 102 dBA (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
< 0.95 ms
Out)
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
Array EQ Filters
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)
> 100 kΩ
Input Impedance
0, +4, +12, +24 dBu, selectable
Sensitivity
+24 dBu (at 24 dBu sensitivity setting)
Maximum Input Level
3-pin Phoenix Contact® (green color; part # 1776168)
Connectors, Input
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. 240 x 64 LCD. Additional controls available
w/ ControlSpace® Designer™ software
Electrical Specifications
Mains Voltage
100-240 V (50/60 Hz)
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
> 73 % (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
24.4 lb (11.1 kg) 
Net Weight
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
Bose Professional Systems Division
4 Ω
< 0.1 %
500 W
1000 W
2
500 W
2
2000 W
2
8 Ω
70 V
< 0.1 %
1 %
300 W
Not available
3
1000 W
800 W
Not available
300 W
2
1000 W
1600 W
2
Digital (Optional Card)
4, selectable range
N/A
Digital: 0, -12, -20, -24 dBFS, selectable
N/A
Card Dependent
Shipping Weight: 30.0 lb (13.6 kg) 
100 V
1 %
Not available
3
1000 W
Not available
2000 W
2
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