Mackie Vision PACX81, Vision PACX81W Specifications

Vision Series

Coaxial, Two-Way Speaker System

P ACX81

SPEAKER

■ The model PACX81 (black) and PACX81W (white) are

professional full-range, ultra-compact coaxial loud­speaker systems providing wide bandwidth and light
weight in a low profile enclosure. The coaxial configu­ration of the transducers in the PACX81 provides an
ideal acoustic point source, yielding smooth frequency
and phase response throughout its coverage pattern.
The asymmetric cabinet design allows multiple appli­cations including use as a floor or ceiling monitor.

■ The coaxial speaker consists of an 8" high-output

carbon fiber woofer with a 2" voice coil, combined with
a back-mounted titanium dome high frequency trans­ducer suitable for difficult climatic environments.

■ The system includes a high-level crossover network

that features markedly lower (than conventional)
induction values in series with the woofer. We call this
innovation LICC (Low Impedance Compensated
Crossover). The benefit is delay reduction, reduced
phase shift and superior transient response. Dynamic
high-frequency driver protection is accomplished with
a fast-response filament resistor, chosen to comple­ment the power curve of the driver.

■ The Mackie Industrial PACX81 is a part of the

VISION family of loudspeaker products including full­range, cost-effective, two-way loudspeakers and com­plementary subwoofer cabinets. These enclosures
have a trapezoidal footprint for easy array configura-
tion. All enclosures are constructed using 19mm void­free, birch plywood and finished with a scratch-resist­ant black or white coating. Transducer components are
protected from the environment by a heavy gauge
metal grille with open-cell poly fiber backing. The
VISION products are eminently suited for fixed installa­tion, ready for suspension via built-in M10 inserts with
metal reinforcement and forged shoulder eyebolt hard­ware. The PACX81 also includes M8 inserts.

■ This Mackie Industrial product is covered by an

exclusive, one-time, NO FAULT repair policy in addition
to a five year limited warranty.

Features

■ Aligned coaxial speaker, using an 8" high-output

woofer and a cone loaded titanium dome tweeter

■ Built-in LICC (Low Impedance Compensated Crossover)

crossover

■ HF driver dynamic protection

■ Asymmetric trapezoidal enclosure for multiple

configurations

■ 13 ply birch plywood construction

■ Internal Inserts (M10 and M8) and eyebolt suspension

hardware

■ Exclusive Mackie Industrial — one-time, NO FAULT

repair policy

■ Five year limited warranty

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PACX81

APPLICATIONS

■ Cluster Configurations

■ Distributed Systems

■ Zone Delay and Fill Systems

■ Floor Monitor

PACX81

Coaxial, Two-Way Speaker System

P ACX81

SPEAKER

PACX81

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Specifications

System

Freq. Range (–10 dB): 60Hz–21kHz
Freq. Response (–3 dB): 100Hz–17kHz
Symmetrical Coverage (–6 DB): 110° averaged

800Hz to 16kHz

Directivity Factor; Q(DI): 8.0 (9.0) averaged

800Hz to 16kHz
System Sensitivity1: 92dB, 1W @ 1m
Rated Maximum SPL: 120dB, @ 1m
System Nominal Impedance: 8Ω
System Input Power Rating2: 150W RMS; 600W Peak
Recommended Amplifier3: 250W
HF Protection: Dynamic
Crossover: 1.3kHz

Transducers

Low-Frequency: 8" (200mm) carbon fiber

woofer with 2" (50mm) coil
Nominal Impedance: 8Ω
Input Power Rating: 180W AES; 720W Peak
Sensitivity1: 92dB, 1W @ 1m
High-Frequency: Horn-loaded titanium dome tweeter
Nominal Impedance: 8Ω
Input Power Rating: 20W AES; 80W Peak
Sensitivity1: 107dB, 1W @ 1m

Physical

Enclosure: Asymmetric trapezoid, 13 ply,

19mm multilayered birch

Rigging Inserts: 4 points M10, 4 points

M8 threaded hardware

Color: Black or white (PACX81W),

scratch resistant paint

Grille: Custom perforated steel grille with

acoustically transparent fiber backing
Input Connectors: Speakon®NL4
Dimensions (HxWxD): 15" x 11.81" x 10.63"

(381mm x 300mm x 270mm)

Net Weight: 25.4lb. (11.5kg)

Options

PA-A1 Forged shoulder M10 eyebolt hardware

1

Measured on axis in the far field with 1 watt (2.83V RMS, 8Ω) input and referenced to 1 meter distance
using the inverse square law. Listed sound pressure represents an average from 300Hz to 3kHz.

2

RMS using 20Hz to 20kHz, PN Spectrum, Peak for 2 hours with +6dB crestfactor.

3

Recommended Amplifier is a power capability value thatshould be taken as a guide.

Coaxial, Two-Way Speaker System

P ACX81

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V

PACX81

ertical Polars

200Hz

250Hz

0˚

315Hz

400Hz

1.25kHz

1.6kHz

0˚

2kHz

2.5kHz

Vertical Off-Axis Frequency Response Graph (UP)

500Hz

630Hz

0˚

800Hz

1kHz

3.15kHz

4kHz

0˚

5kHz

6.3kHz

0˚

8kHz

10kHz

12.5kHz

16kHz

Vertical Off-Axis Frequency Response Graph (DOWN)

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PACX81
HorizontalPolars

0˚

200Hz

250Hz

315Hz

400Hz

0˚

1.25kHz

1.6kHz

2kHz

2.5kHz

0˚

500Hz

630Hz

800Hz

1kHz

0˚

3.15kHz

4kHz

5kHz

6.3kHz

0˚

Horizontal Off-Axis Frequency Reponse

8kHz

10kHz

12.5kHz

16kHz

Coaxial, Two-Way Speaker System

P ACX81

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Frequency response is measured on-axis at a distance referenced back to
1m at 1-watt drive. Shown as a half space (2π) enviroment.

10.63" (270mm)

Beamwidth vs. Frequency

11.81" (300mm)

15˚

4.92" (125mm)

BOTTOM

15˚

3.74" (95mm)

3.15" (80mm)

Directivity Index

45˚

TOP

2.76" (70mm)

1.46" (37mm)

IN-OUT

15.00" (381mm)

11.81" (300mm)

FRONT

4.41" (112mm)

REAR

5.0" (127mm)

6.38" (162mm)

CONCEIVED, DESIGNED, AND

MANUFACTURED BY MACKIE

INDUSTRIAL • MADE IN ITALY •

COPYRIGHT ©1999 • THE FOLLOWING

ARE TRADEMARKS/REGISTERED

TRADEMARKS OF MACKIE DESIGN INC.:

"MACKIE", "MACKIE INDUSTRIAL",
& THE "RUNNING MAN" FIGURE

SERIAL NUMBER

P

A

CX

81

VISION

SERIES

-

IN

OUT

+1/–1FULL RANGE 160W-8

MANUFACTURING DATE

CAUTION:

SUSPENDING THIS SYSTEM SHOULD

BE DONE BY QUALIFIED

TECHNICIANS FOLLOWING

APPROPRIATE SAFETY STANDARDS

Coaxial, Two-Way Speaker System

P ACX81

SPEAKER

PACX81

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Architects’ and Engineers’ Specifications

The two-way loudspeaker system shall be self-contained
and consist of the following components: (1) an 8 inch, two­way coaxial loudspeaker; (2) a two-way crossover network;
(3) a vented enclosure.

The low-frequency section of the transducer shall be a
cone type loudspeaker having a cone diameter of at least 8
inches (200mm). It shall have a voice coil of at least 2 inches
(50mm) in diameter. It shall present a nominal impedance
load of 8Ω.

The high-frequency section of the transducer shall be a
dome tweeter. It shall have a titanium voice coil of at least 1
inch (25mm) in diameter. It shall present a constant-imped­ance load of 8Ω.

The system shall be crossed over by an internal, high­level, passive network having a response of 12dB/octave.
The nominal crossover frequency shall be 1.3kHz. The low­pass section of the network shall have minimum inductance
in series with the low frequency driver component. A dynamic
high-frequency protection circuit based on a low-value, low
mass filament resistor shall limit the current available to the
high-frequency driver component. A switch shall be provided
to disconnect the crossover network, but not the high-fre­quency protection circuit, from the drivers to allow bi-amp
operation.

The enclosure shall be a vented design with an internal
volume of at least 0.53 cu. ft. The vent shall be tuned to
60Hz. It shall be constructed using 0.75 inch (19mm), void­free birch plywood and finished with black, scratch resistant
paint. A model finished in white scratch-resistant paint shall
be available from the manufacturer. It shall be an asymmetri­cally shaped trapezoid to facilitate various monitor and
mounting configurations. A full size, detachable, perforated
steel grille, finished in black scratch-resistant paint shall
be provided. At least 8 reinforced threaded metal sockets
(M10 & M8) for attaching mounting hardware shall also be
provided. The overall dimensions of the enclosure shall not
exceed 15 x 11.81 x 10.63 inches (381mm x 300mm x
270mm). Connections to the loudspeaker shall be
Speakon

®

NL4 connectors.

The performance of the two-way loudspeaker system shall
be as follows: long-term power handling, at least 150 Watts
RMS; peak power handling, at least 600 Watts; frequency
response, 100Hz–17kHz at –3dB; maximum SPL, 120dB
(anechoic–1m); sensitivity, 92dB SPL (1W/1m anechoic);
–6dB coverage, measured average 800Hz–16kHz, 110° hori­zontal by 110° vertical. The two-way loudspeaker system
shall be a model PACX81 (PACX81W, white) manufactured by
Mackie Industrial.

www.mackieindustrial.com

16220 Wood-Red Rd. NE, Woodinville, WA 98072 USA

888.337.7404, fax [phone], [e-mail]

UK +44.1268.571.212, fax [phone], [e-mail]
ITALY +39.0522.354.111, fax [phone], [e-mail]
FRANCE +33.3.8546.9160, fax [phone], [e-mail]
GERMANY +49.2572.96042.0, fax [phone], [e-mail]

Electronic files for this product available at:
www.mackieindustrial.com

This Specification Sheet PACX81.PDF

Mackie Designs continually engages in research related to product improvement. New material, produc­tion methods, and design refinements are introduced into existing products withoutnotice as a routine
expression of that philosophy. For thisreason, any current Mackie Industrial product may differ in some
respect from its published description, but will always equal or exceed the original design specifications
unless otherwise stated. ©1999-2001 Mackie DesignsInc. All rights Reserved. and are
registered trademarks of Mackie Designs Inc. Mackie Industrial is a trademark of Mackie Designs Inc.

(continued Architects’ & Engineers’ Specs)

part no. 910-147/148-10 Rev.B