The Bose® PowerMatch PM8500 configurable professional
power amplifier provides concert-quality sound with a high
level of scalability and configurability. The PM8500 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 PM8500 provides USB connection for
single-unit setup and control using Bose ControlSpace® V3.0
or higher software. The PM8500N 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 each 4-channel
loudspeaker block to be configured as Mono, V-Bridge, IShare or Quad modes, allowing the total available power
of the amplifier block to be allocated to one or more output
channels. The amplifier is capable of driving both low
impedance and 70/100V loudspeaker loads directly.
• 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.
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PowerMatch® PM8500 / PM8500N
configurable power amplifier
Technical Specifications
Power Rating
2 Ω4 Ω8 Ω70 V100 V
THD for Power Rating
Mono Mode
V-Bridge Mode
I-Share Mode
Quad Mode
Maximum Rated Power4000 W (500 W x 8 channels at 4 ohms)
Peak Output Voltage71 / 142 V (Mono / V-Bridge, I-Share, and Quad modes)
Voltage Gain33 / 36 / 33 / 36 dB (Mono / V-Bridge / I-Share / Quad modes)
Audio Performance Specifications
Frequency Response20 Hz - 20 kHz (at 1 W and +/- 0.5 dB)
Signal-to-Noise Ratio, Analog Input> 102 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)
3-pin Phoenix Contact® (green color; part # 1776168)Card Dependent
ControlSpace® Designer™ software
28.4 lb (12.9 kg) Shipping Weight: 34.5 lb (15.7 kg)
1000 W1000 W800 W1000 W
500 W
2000 W
2
300 W
1000 W
2
2
Not availableNot available
1600 W2000 W
TECHNICAL DATA SHEET
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PowerMatch® PM8500 / PM8500N
configurable power amplifier
General
Setup and Configuration SoftwareControlSpace® Designer™ software V3.2 or greater
PC Interface ConnectionUSB (Network version adds Ethernet RJ45)
Fault Notification OutputNC/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.
TECHNICAL DATA SHEET
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PowerMatch® PM8500 / PM8500N
configurable power amplifier
1. LED Indicators - Fault, Clip, Limit and Signal indication
7. AC Mains receptacle - Power cord connection (IEC 60320-C20 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
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PowerMatch® PM8500 / PM8500N
Back V
iew
Front V
iewRight View
19.0”
[483mm]
17.1”
[435mm]
3.0”
[76mm]
3.5”
[88mm]
18.5”
[470mm]
20.7”
[525mm]
21.0”
[533mm]
configurable power amplifier
Mechanical Diagrams
TECHNICAL DATA SHEET
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PowerMatch® PM8500 / PM8500N
configurable power amplifier
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-C20 16/20-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 eight independent amplifier channels,
which can be configured to allocate the 4000 watts total rated
output power between 2 and 8 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 15 amps with 120 VAC and 7.5
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 8
channels, 500 watts into 4 ohms and 300 watts into 8 ohms. VBridge mode with up to 4 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 4 channels, 1000 watts
into 2 ohms. Quad mode with up to 2 channels, 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 eight 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
8 digital audio channels using optional digital expansion cards,
available in proprietary and industry-standard protocols. The
amplifier outputs shall terminate with 8-pin, high-current, terminalblock connectors, which accept 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 eight channels:
5-band parametric input EQ, array EQ, bandpass (crossover)
filters, 9-band parametric output EQ, delay, output peak and
RMS-average limiter. An 8x8 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
(PM8500N 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 19-inch
(483 mm) EIA-310 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 28.4 pounds (12.9 kg).
The amplifier shall be the Bose PowerMatch® PM8500
(PM8500N) 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.