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Lend Me Your Ears
Exposure to extremely
high noise levels may cause
permanent hearing loss. In-
dividuals vary considerably
in susceptibility to noise-
induced hearing loss, but nearly everyone will
lose some hearing if exposed to sufficiently in-
tense noise for a period of time. The U.S.
Government’s Occupational Safety and Health
Administration (OSHA) has specified the per-
missible noise level exposures shown in this
chart.
According to OSHA, any exposure in excess
of these permissible limits could result in some
hearing loss. To ensure against potentially
dangerous exposure to high sound-pressure
levels, it is recommended that all persons
exposed to equipment capable of producing
these levels use hearing protectors while this
unit is in operation. Ear plugs or protectors in
the ear canals or over the ears must be worn
when operating this amplification system in
order to prevent a permanent hearing loss if
exposure is in excess of the limits set forth here.
Duration Per Day Sound Level dBA, Typical
In Hours Slow Response Example
8 90 Duo in small club
692
4 95 Subway Train
397
2 100 Very loud classical music
1.5 102
1 105 Patrice screaming at Ron about deadlines
0.5 110
0.25 or less 115 Loudest parts at a rock concert
CONTENTS
SAFETY INSTRUCTIONS .......................................... 2
INTRODUCTION ....................................................... 3
REAR PANEL DESCRIPTION .................................... 4
HOOKUP DIAGRAMS ............................................... 5
CONNECTIONS ........................................................ 5
PLACEMENT ............................................................ 6
AC POWER .............................................................. 6
THERMAL CONSIDERATIONS .................................. 6
SERVICE INFORMATION .......................................... 6
Warranty Service ............................................... 6
Troubleshooting ................................................. 7
Repair ............................................................... 7
SPECIFICATIONS ..................................................... 8
Don’t forget to visit our website at www.mackie.com
for more information about this and other Mackie products.
The SRS1500
can produce a
maximum SPL of
123 dB @ 1m
INTRODUCTION
SRM450s, or to an amplifier powering a pair of
passive speakers such as the Mackie Designs
M•1400i and C300s. A Phase switch gives you
the option of reversing the phase to the full-range
speakers by 180º. A Subwoofer Level control
allows you to adjust the balance between the
subwoofer and the full-range speakers.
The built-in amplifier produces up to 600
watts of power. The amplifier module sits on a
mammoth heatsink that eliminates the need for
fans, dramatically extending life expectancy,
and eliminating maintenance cycles. A tremen-
dous benefit of having the amplifier located
within the subwoofer cabinet is the speed with
which power is delivered to the woofer.
The cabinet is constructed with 18mm thick
multi-layered birch plywood. Carrying handles
are integrated into each side for easy loading
and transport.
Part No. 820-187-00 Rev. A 3/00
©2000 Mackie Designs Inc. All Rights Reserved. Printed in the U.S.A.
Thank you for choosing Mackie Designs’
active sound reinforcement speaker systems.
The SRS1500 is a high output active
subwoofer system. It features a high-precision
15˝ transducer combined with application
specific amplifier technology. The system is
composed of a single, compact subwoofer cabinet
with built-in control and amplifier electronics.
Connecting and setting up the SRS1500 is a
breeze. It accepts a stereo line-level signal via
female XLR input jacks. Male XLR Thru jacks
are provided for daisy-chaining the signal to
additional SRS1500 cabinets. The built-in
crossover separates the low frequencies from
the high frequencies, and routes the high fre-
quencies to the male XLR high-pass output
jacks. Connect these to the inputs of full-range
active speakers such as the Mackie Designs