QSC ISIS Brochure
ISIS Series Multipurpose Loudspeakers
ISIS Multipurpose
Key Features
The ISIS 102M, 102W, 122M, and 152M are compact, portable,
multipurpose loudspeakers that extend QSC’s commitment to the
corporate industrial and special events market. These new loudspeakers
offer greater versatility, better value, and increased performance to an
already exceptional product line.
These new ISIS loudspeakers are full range, two-way models featuring
selectable active (bi-amp) or passive crossover operation. With their
advanced cored composite construction, these enclosures feature superior
strength and reduced weight—all of which translates to more focused
sound (as a result of increased wall rigidity), safer rigging, and lower
transportation and handling costs. As an added benefit, the composite
enclosures and stainless steel hardware provide excellent weather
resistance for outdoor applications. They also provide the ideal mid/high
complement to the ISIS 215PCM subwoofer. In addition, these enclosures
are available in a more cost effective non-weatherized wood version.
QSC’s ISIS multipurpose loudspeakers are constructed from the finest
components. To produce maximum output and work efficiently in any
application, all models feature a 1.4" exit, 3" titanium diaphragm
compression driver. The “M” models employ a spherical (60°) HF
waveguide for even dispersion regardless of orientation and a high-power
neodymium woofer for reduced weight, while the “W” model offers an
exceptionally wide coverage pattern (150° x 50°) via a rotatable waveguide.
All ISIS multipurpose loudspeakers feature a full assortment of versatile
hardware to make the task of rigging and installation a straightforward
process. Integrated fly track hardware on top and bottom plus an
independent rear center point allows for easy, safe rigging. Each model has
a dedicated yoke mount accessory available, and there’s also a built-in pole
cup for stand mounting. The symmetrical multi-angle cabinet design
facilitates both FOH and stage monitor applications.
■ Neodymium woofers (122M and 152M) and compression drivers
provide reduced speaker enclosure weight
■ Integral L-track flying hardware (top and bottom) facilitates safe and
easy rigging
■ Cored Composite construction (Composilite
TM
) and foam backed stainless
steel grills provide excellent weather resistance for outdoor applications
■ Suitable for both FOH and stage monitor applications
■ Multipurpose cabinet design comes in 3 sizes; accommodating
10”, 12”, and 15” LF drivers
■ All models are designed to complement the ISIS 215PCM subwoofer,
which provides DSP processing and amplification for any accompanying
2-way enclosures, thus creating a self-contained, self-powered,
3-way system
■ Switchable passive/active crossover modes—flat response for quick
setup and use (passive crossover mode); Extremely flat and accurate
active (DSP) voicing for bi-amped applications (active crossover mode)
ISIS Multipurpose 152M / 122M Specifications and Frequency Response
Specifications
Frequency Range (4π)
Frequency Response (4π)
Maximum Output
Calculated Peak Output
Calculated Continuous Output
Continuous Noise Exposure Level
Impedance, Nominal
Power Rating
Recommended Max Amp Power
RMS Power Handling (IEC)
8 hours
Sensitivity
Recommended Processing
Specifications
Controls
Transducers
Nominal Coverage
Bass Loading
Connector
Enclosure
Material
Finish
Grille
Rigging System
Dimensions
Weight
152M Passive Mode
45 Hz - 21 kHz (-10 dB)
55 Hz - 20 kHz (-6 dB)
126 dB SPL
120 dB SPL
120 dBA
8 Ω
700 W
350 W
96 dB, 1 W, 1 m, free field
Optional 45 Hz high-pass
>12 dB/Octave
152M Both Bi-amp and Passive Mode
Bi-amp/Passive Switch
LF: 15" high power woofer, 3" (76mm) voice coil, weather
treated paper cone, lightweight neodymium magnet structure
HF: 1.4" (38mm) exit, 3" titanium diaphragm compression driver
on low distortion, constant directivity waveguide
60°conical (2.5 kHz)
Ported, tuned to 53 Hz
Two Neutrik® NL4-series airtight panel-mount Speakons™
wired in parallel
Multi-angle wedge constructed of weather-resistant
cored Composilite™, or Lynex coated 13 ply Baltic Birch
Textured black
Heavy duty stainless steel, painted black
Front and rear fly track on top and bottom plus independent
rear center pullback/safety point
31" H x 18" W x 13.5" D
787.4 x 457.2 x 342.9 mm
Composite Version: 49 lb. (22,2 kg)
Wood Version: 60 lb. (27.27 kg)
122M Both Bi-amp and Passive Mode
Bi-amp/Passive Switch
LF: 12" high power woofer, 3" (76mm) voice coil, weather
treated paper cone, lightweight neodymium magnet structure
HF: 1.4" (38mm) exit, 3" titanium diaphragm compression driver
on low distortion, constant directivity waveguide
60°conical (2.5 kHz)
Ported, tuned to 60 Hz
Two Neutrik® NL4-series airtight panel-mount Speakons™
wired in parallel
Multi-angle wedge constructed of weather-resistant
cored Composilite™, or Lynex coated 13 ply Baltic Birch
Textured black
Heavy duty stainless steel, painted black
Front and rear fly track on top and bottom plus independent
rear center pullback/safety point
27.5" H x 15.5" W x 11.5" D
698.5 x 393.7 x 292.1 mm
Composite Version: 34 lb. (15.4 kg)
Wood Version: 46 lb. (20.91 kg)
152M Bi-amp Mode*
45 Hz - 21 kHz (-10 dB)
50 Hz - 20 kHz (-6 dB)
LF: 127, HF: 133 dB SPL
LF: 121, HF: 127 dB SPL
120 dBA
LF: 8 Ω, HF: 8 Ω
LF: 700 W HF: 160 W
LF: 350 W HF: 80 W
LF: 96.5 dB, 1 W, 1 m,
100 Hz - 1 kHz
HF: 108 dB, 1 W, 1 m,
1 kHz - 16 kHz
QSC DSP product with
appropriate configuration file
122M Passive Mode
50 Hz - 20 kHz (-10 dB)
60 Hz - 19 kHz (-6 dB)
126 dB SPL
120 dB SPL
119 dBA
8 Ω
700 W
350 W
95 dB, 1 W, 1 m, free field
Optional 50 Hz high-pass
>12 dB/Octave
122M Bi-amp Mode*
45 Hz - 20 kHz (-10 dB)
55 Hz - 19 kHz (-6 dB)
LF: 127, HF: 133 dB SPL
LF: 121, HF: 127 dB SPL
120 dBA
LF: 8 Ω, HF: 8 Ω
LF: 700 W HF: 160 W
LF: 350 W HF: 80 W
LF: 96 dB, 1 W, 1 m,
100 Hz - 1 kHz
HF: 108 dB, 1 W, 1 m,
1 kHz - 16 kHz
QSC DSP product with
appropriate configuration file
*Bi-amp Mode with recommended QSC DSP configuration.
Specifications subject to change without notice.
Frequency
Response,
bi-amp mode with
recommended
processing
(O°, 30°, 60 °
horizontal axis)
dBSPL
20 Hz 50 100 200 500 1K 2K 5K 10K 20K
Frequency (Hz)
110
105
100
95
90
85
80
75
70
65
60
55
50
152M - Bi-amp
Frequency
Response,
passive mode
(O°, 30°, 60 °
horizontal axis)
dBSPL
20 Hz 50 100 200 500 1K 2K 5K 10K 20K
Frequency (Hz)
110
105
100
95
90
85
80
75
70
65
60
55
50
Ohm
60
54
48
42
36
30
24
18
12
6
0
152M - Passive
Frequency
Response,
bi-amp mode with
recommended
processing
(O°, 30°, 60 °
horizontal axis)
dBSPL
20 Hz 50 100 200 500 1K 2K 5K 10K 20K
Frequency (Hz)
110
105
100
95
90
85
80
75
70
65
60
55
50
122M - Bi-amp
Frequency
Response,
passive mode
(O°, 30°, 60 °
horizontal axis)
dBSPL
20 Hz 50 100 200 500 1K 2K 5K 10K 20K
Frequency (Hz)
110
105
100
95
90
85
80
75
70
65
60
55
50
Ohm
60
54
48
42
36
30
24
18
12
6
0
122M - Passive
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