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Compact Two-Way Speaker System
PA261
oF 6 PAGES
6
O F 6 P A G E S
Architects’ and Engineers’ Speci cations
The two-way loudspeaker system shall be self-contained
and consist of the following components: (1) two 6-inch, low-
frequency drivers; (2) a high-frequency section consisting of
a 1-inch titanium dome tweeter; (3) a two-way crossover
network; (4) a vented enclosure.
The two low-frequency transducers shall be cone type loud-
speakers having cone diameters of at least 6 inches/152 mm.
They shall have voice coils of at least 3 inches/76 mm in
diameter and carbon ber diaphragms. Together they shall
present a nominal impedance load of 4 ohms. Sensitivity
shall be at least 90 dB when measured at 1 m with an input
of 1 watt and the power rating shall be at least 200 watts
(AES), 800 watts peak.
The high-frequency section shall have a compression
driver with a titanium diaphragm of at least 1 inch/25 mm in
diameter. It shall present a constant-impedance load of 8 ohms.
It shall have a nominal coverage pattern of 100° horizontal by
100° vertical.
The system shall be crossed over by an internal, high-
level, passive network having a response of 12 dB/octave.
The nominal crossover frequency shall be 2.5 kHz. The low-
pass section of the network shall have minimum inductance
in series with the low-frequency drivers. 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 0.83 cubic feet. The vent shall be tuned to
60 Hz. It shall be constructed using 0.75 inch/19 mm, void-
free birch plywood and nished with black, scratch-resistant
paint. It shall be trapezoidal shaped with 15° angled sides. A
full size, detachable, perforated steel grille, nished in black
scratch-resistant paint shall be provided. At least 9 reinforced
threaded metal sockets (M10, M8) for attaching mounting
hardware and three eye bolts shall also be provided. The
overall dimensions of the enclosure shall not exceed 24.0 in/
610 mm x 10.0 in/254 mm x 11.5 in/292 mm. Connections
to the loudspeaker shall be screw terminal connectors.
The performance of the two-way loudspeaker system shall
be as follows: long-term power handling, at least 200 watts
rms; peak power handling, at least 800 watts; frequency
response, 60 Hz–15 kHz at –3 dB; maximum SPL, 119 dB
(anechoic–1m); sensitivity, 90 dB SPL (1W/1m anechoic);
–6 dB coverage, measured average 2 kHz–16 kHz, 100°
horizontal by 100° vertical. The two-way loudspeaker system
shall be a model PA261 manufactured by Mackie Designs.
Electronic les for this product available at:
www.mackie.com
Electronic les for this product available at:
www.mackie.com
Electronic les for this product available at:
This Speci cation Sheet
This Speci cation Sheet
PA261.PDF
PA261.PDF
part no. 910-149-10 Rev. C
(continued Architects’ & Engineers’ Specs)
SPEAKER
PA261
www.mackie.com
16220 Wood-Red Road. NE, Woodinville, WA 98072 USA
888.337.7404, fax 425.487.4337, sales@mackie.com
UK
+44.1268.571.212, fax +44.1268.570.809, uk@mackie.com
UK +44.1268.571.212, fax +44.1268.570.809, uk@mackie.comUK
ITALY
+39.0522.354.111, fax +39.0522.926.208, italy@mackie.com
FRANCE
+33.3.85.46.91.60, fax +33.3.85.46.91.61, france@mackie.com
GERMANY
+49.2572.96042.0, fax +49.2572.96042.10, germany@mackie.com
GERMANY +49.2572.96042.0, fax +49.2572.96042.10, germany@mackie.comGERMANY
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production methods, and design re nements are introduced into existing products without notice as a
routine expression of that philosophy. For this reason, any current Mackie product may differ in some
respect from its published description, but will always equal or exceed the original design speci cations
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