PowerMatch® PM4500 / PM4500N
configurable power amplifier
TECHNICAL DATA SHEET
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Product Overview
The Bose® PowerMatch PM4500 configurable professional
power amplifier provides concert-quality sound with a high
level of scalability and configurability. The PM4500 offers
multiple channel and power options, an integrated audio
DSP, front panel interface and USB connection. Ethernetequipped versions enable network configuration, control and
monitoring. An expansion slot supports inputs from optional
digital accessory cards. PowerMatch amplifiers utilize
numerous Bose technologies to deliver an unprecedented
combination of performance, efficiency and ease of
installation—all in a reliable, proprietary design. Available
in two versions, the PM4500 provides USB connection for
single-unit setup and control using Bose ControlSpace® V3.0
or higher software. The PM4500N adds Ethernet connectivity
for network control and monitoring of multiple “N” version
amplifiers.
Applications
Designed for a wide range of applications, including:
•
Auditoriums
•
Performing arts venues
•
Theaters
•
Houses of worship
•
Arenas
•
Hospitality venues
Key Features
• 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.
• Bose® ControlSpace® Designer™ software – PowerMatch
amplifiers can be fully configured using ControlSpace
Designer software via the onboard front panel USB
connection, or the rear panel Ethernet connection (network
models only). Using ControlSpace Designer software you
can access additional features including: Parametric EQ
stages, load sweep of each output channel and auto standby.
ControlSpace Designer software is also used to integrate
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 – Proprietary
design combines Class-D efficiency with a unique current
and voltage feedback loop circuit that continuously monitors
and controls both the current and voltage delivered to the
loudspeaker load. Independent of power level and load
impedance, the amplifier consistently delivers the widest
possible dynamic range, frequency response and lowest
possible distortion.
• PeakBank™ power supply – Regenerative 4-quadrant power
supply enables higher power density while allowing the reuse of energy from reactive loads that is normally wasted in
conventional Class-D designs. This highly efficient amplifier
design delivers sustainable and repeatable low frequency
response.
• Fast-tracking power factor correction (PFC) – Efficiently
manages the current drawn from the AC mains, allowing the
amplifier to drive loudspeakers to maximum output longer
without power fluctuation. PFC provides superior transient
response and functions at peak burst power much longer
than conventional Class-D amplifier designs to satisfy the
requirements of even the most demanding program material.
PowerMatch® PM4500 / PM4500N
configurable power amplifier
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Technical Specifications
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
500 W 500 W 300 W
Not available
3
Not available
3
V-Bridge Mode
500 W
2
1000 W 1000 W 800 W 1000 W
I-Share Mode
1000 W
500 W
2
300 W
2
Not available Not available
Quad Mode
1000 W
2
2000 W
1000 W
2
1600 W 2000 W
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
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
Array EQ Filters 2-band RoomMatch® array EQ
Maximum Output Delay 3 s
Output Limiter Peak and RMS voltage
Audio Inputs
Input Channels
Analog Digital (Optional Card)
4 (balanced line level) 4, selectable range
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 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
Net Weight
24.4 lb(11.1 kg) Shipping Weight: 30.0 lb(13.6 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
PowerMatch® PM4500 / PM4500N
configurable power amplifier
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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 Derated use available. Refer to the application note "Using MONO Mode (single channel) to Drive High Impedance Loudspeaker Loads".
4 Measured at +24 dBu sensitivity unless otherwise specified.
PowerMatch® PM4500 / PM4500N
configurable power amplifier
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1. LED Indicators - Fault, Clip, Limit and Signal indication
2. LCD Display - Detailed graphical backlit display
3. Navigation Soft Key - Front panel interface navigation key
4. Rotary Encoder - Scroll to move LCD display cursor, push to select option
5. Menu Soft Keys (1 – 5) - Five pushbuttons mapping to onscreen selections
6. USB connector - Type B USB port for use with a PC running ControlSpace® Designer™ software
7. Front airflow vents - Filterless intake cooling for the amplifier
8. Front rack-mount ears - For use when securing into rack- mount enclosures
1. Analog Input connectors - Line-level balanced input connectors (+24 dBu max)
2. Fault-Notification Output - 3-pin normally open or normally closed contact closure fault connection (1A, 30 VDC max)
3. Ethernet network connector (network versions only) - RJ-45 connection supporting ControlSpace Designer software and Serial
over Ethernet communications
4. Rear airflow vents - Exhaust venting
5. Digital expansion slot cover - Supports optional ESPLink and digital audio network cards
6. Output connector - Loudspeaker connections (10 - 24 AWG)
7. AC Mains receptacle - Power cord connection (IEC 60320-C14 Inlet)
8. AC Mains retention clip - Secures the power cord to the amplifier
9. Power switch - ON/OFF AC power switch. Also serves as resettable circuit breaker
10. Rear rack-mount support tabs - Accommodates rear brackets for rear rail mounting
PowerMatch® PM4500 / PM4500N
configurable power amplifier
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Mechanical Diagrams
Back V
iew
Front View Right View
19.0”
[483mm]
17.1”
[435mm]
3.0”
[76mm]
3.5”
[88mm]
18.5”
[470mm]
20.7”
[525mm]
21.0”
[533mm]
PowerMatch® PM4500 / PM4500N
configurable power amplifier
TECHNICAL DATA SHEET
All information subject to change without notice.
® 2014 Bose Corporation
All trademarks are those of their respective owners.
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Architects’ and Engineers’
Specifications
The amplifier shall contain all solid-state circuitry, using MOSFET
output devices employing Class-D topology and a current and
voltage feedback loop circuit. The amplifier shall incorporate
a switch-mode power supply with fast-tracking power factor
correction (PFC) that will allow full-rated power from AC outlets
ranging from 100 – 240 V, 50/60 Hz. The amplifier shall have
an IEC 60320-C14 10/15-amp electrical power inlet and shall
be equipped with a removable power supply cord. The amplifier
shall include protection from shorted and open loads, general
overheating, DC, high-frequency overloads, under/over voltage
and internal faults.
The amplifier shall contain four independent amplifier channels,
which can be configured to allocate the 2000 watts total rated
output power between 1 and 4 channels. The amplifier shall
contain variable speed fans, which are automatically controlled
to minimize acoustic noise. Fan airflow direction will be from the
front panel to the rear panel and should not require air filtering.
Rack mounting of multiple amplifiers shall be possible without
extra rack spacing for ventilation. The amplifier shall be capable
of continuous operation at 1/3 of rated power into 4-ohm loads,
in ambient temperatures up to 104° F (40° C). The typical current
draw at 1/3-rated power shall be 7.6 amps with 120 VAC and 3.9
amps with 230 VAC.
The power amplifier shall meet or exceed the following
performance specifications:
• Analog input sensitivity for rated output: 0, +4, +12 and +24
dBu, user selectable
• Rated output power, per channel, with all channels driven
less than 0.1% THD, typical (1 kHz): Mono mode with up to 4
channels, 500 watts into 4 ohms and 300 watts into 8 ohms. VBridge mode with up to 2 channels, 1000 watts into 4 ohms, 8
ohms, or with 100V lines (at 1% THD), 800 watts with 70V lines
(at 1% THD). I-Share mode with up to 2 channels, 1000 watts
into 2 ohms. Quad mode at 1 channel, 2000 watts into 4 ohms
or with 100V lines (at 1% THD), 1600 watts with 70V lines (at
1% THD)
• Frequency Response (±0.5 dB at 1 watt): 20 Hz to 20 kHz
• Signal-to-Noise Ratio (below rated power, A-weighted with +24
dBu analog input sensitivity) >102 dB
• Total Harmonic Distortion (1 watt from 20 Hz to 20 kHz): less
than 0.4%
• Intermodulation Distortion (SMPTE 60 Hz and 7 kHz): less than
0.4%
• Channel Separation (adjacent channels at 1 kHz): greater than
65 dB
• Damping Factor (10 – 1000 Hz, 4 ohms, measured at amplifier
output): greater than 1000
The amplifier shall incorporate four balanced analog inputs, with
rear-panel mounting and utilizing 3-pin terminal block connectors.
The analog inputs shall support up to +24 dBu input signals.
The amplifier shall support a digital expansion slot capable of
receiving 4 digital audio channels using optional digital expansion
cards, available in proprietary and industry-standard protocols.
The amplifier outputs shall terminate with an 8-pin, high-current,
terminal-block connector, accepting 10-22 AWG cables.
The amplifier shall include digital signal processing (DSP)
optimized for loudspeaker processing, with 24-bit, 48 kHz
operation. The total latency (analog input to amplifier output) shall
be less than 0.95 milliseconds. The fixed-block signal processing
shall include the following elements for each of the four channels:
5-band parametric input EQ, array EQ, bandpass (crossover)
filters, 9-band parametric output EQ, delay, output peak and
RMS-average limiter. A 4x4 matrix mixer shall be included for
routing and attenuation of any input/output combination. A signal
generator supporting tone, noise and sweep functions shall be
included, which shall also enable the amplifier to measure, record,
and store automated impedance sweeps on any output channel.
The amplifier front panel shall contain a user interface with a 240
x 64 LCD primary display, with LED indicators for signal present,
input clipping, output limiting and fault. Functions accessible from
the front-panel interface shall include output configuration, fault
logging, mute, input sensitivity selection, output attenuation, EQ
on/off per channel and loudspeaker processing preset recall.
The amplifier shall contain a PC interface with a front-panel USB
connection, which will allow full amplifier setup, configuration
and monitoring using Bose® ControlSpace® Designer™ software
(PM4500N model only). The network version amplifier shall also
contain a rear-panel Ethernet interface available from an RJ45
connector to allow serial over Ethernet communications and
network control/monitoring of multiple network version amplifiers
when using a PC running Bose ControlSpace Designer software.
The amplifier chassis shall be constructed of steel with a durable
black finish. The dimensions of the amplifier shall allow for 19inch (483 mm) EIA standard rack mounting. The amplifier shall be
3.5 inches (2RU, 88 mm) in height, and 20.7 inches (525 mm) in
depth. The amplifier shall weigh 24.4 pounds (11.1 kg).
The amplifier shall be the Bose PowerMatch PM4500 (PM4500N)
configurable professional power amplifier.
Safety and Regulatory Compliance
PowerMatch configurable professional power amplifiers comply
with CE requirements, are cUL listed according to UL60065
(7th edition) and CAN/CSA C22.2 No. 60065-03; CB approved,
according to IEC60065 (7th edition), including group and national
differences. These models also comply with FCC Part 15B Class
A, Canadian ICES-003 Class A, EN55103-1, EN55103-2, and
CISPR13 requirements.
Product Codes
PowerMatch® PM4500
PowerMatch PM4500 - US 361814-1110
PowerMatch PM4500 - AU 361814-2110
PowerMatch PM4500 - JPN 361814-3110
PowerMatch PM4500 - EU 361814-4110
PowerMatch PM4500 - UK 361814-5110
PowerMatch® PM4500N
PowerMatch PM4500N - US 361813-1110
PowerMatch PM4500N - AU 361813-2110
PowerMatch PM4500N - JPN 361813-3110
PowerMatch PM4500N - EU 361813-4110
PowerMatch PM4500N - UK 361813-5110
Expansion Cards
PowerMatch® CobraNet® card 345975-0110
PowerMatch® Dante™ network card 359844-0020
PowerMatch® PM4500 / PM4500N
configurable power amplifier
TECHNICAL DATA SHEET
All information subject to change without notice.
® 2014 Bose Corporation
All trademarks are those of their respective owners.
Bose Professional Systems Division
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PowerMatch® ESPLink input card 349898-0110
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