QSC Audio Speaker System I 84H User Guide

I-82H  
ISIS Series Loudspeaker  
Features  
• 8", 2-way system - in a lightweight, weather-resistant,  
multipurpose enclosure featuring a heavy duty, powder  
coated aluminum grille  
• Advanced Directivity™ rotatable waveguide - (90° x 60°)  
enables the loudspeaker to deliver accurately focused sound,  
regardless of the enclosure’s mounted orientation  
• High power capability with dynamic protection - rated at  
240 watts (IEC) with power protection circuitry to prevent overloads  
• Contemporary style, weather resistant enclosure and  
components - ideal for a wide range of applications  
• Two parallel Speakon® connectors - for quick, secure audio  
input setup  
• Pole cup and mic stand adapters - included for versatile  
mounting options  
TheQSCI-82Hisan8", 2-way, full-rangeloudspeaker  
with contemporary styling that integrates into  
multiple environments. With the ability to be pole  
and mic stand mounted, truss mounted, or used  
as a floor monitor/stage fill, these injection molded  
speakers are an excellent choice for musicians,  
mobile entertainers, and others needing a high-  
quality, lightweight SR package that sounds great, is  
visually unobtrusive, and with its built-in handles, is  
easy to transport.  
Specifications  
Configuration  
Compact two way, ported enclosure  
Transducers  
Low Frequency Transducer  
High Frequency Transducer  
Frequency Range1  
8" high power treated paper cone, 2" voice coil, neodymium magnet  
1" exit high output compression driver  
Frequency Response  
Usable Frequency Range  
Maximum Output2  
80 Hz - 21 kHz (-6 dB)  
60 Hz - 22 kHz (-10 dB)  
Calculated Peak Output  
Calculated Continuous Output  
Impedance  
120 dB SPL  
114 dB SPL  
8Ω nominal (7Ω minimum, 210 Hz, 135Ω maximum)  
TheI-82Henclosureincorporatesan8"weatherproof,  
LF transducer with a heavy-duty double roll cloth  
surround and a 1" exit HF compression driver. The  
HF driver is coupled with QSC’s unique Advanced  
Directivity™ rotatable waveguide—enabling the  
loudspeaker to deliver accurately focused sound,  
regardless of its orientation. For quick and secure  
input setup, the I-82H provides two parallel  
Speakon® connectors.  
Power Rating  
RMS Power Handling3  
Recommended Max Amp Power  
Power Limiting  
240 W (IEC, 8 hours)  
400 W RMS  
Dynamic, full range power protection circuitry activated by signal  
overload conditions  
Sensitivity  
90.5 dB, 1 m, free field  
Nominal Coverage  
Bass Loading  
Enclosure  
90°H x 60°V (-6 dB) / rotatable to 60°H x 90°V  
Ported, tuned to 65 Hz  
Material  
Injection molded, weather resistant, high impact polystyrene  
Black  
An ideal solution for a variety of mobile SR  
applications, the I-82H includes a pole cup bracket  
for pole mount applications as well as a 5/8"-  
27 mic stand adapter that fits most mic and  
boom stand hardware. With the addition of QSC’s,  
optional I-YM8 Yoke Mount/Floor Monitor Kit (which  
contains a bracket with swivel extension feet), the  
I-82H can be horizontally pole mounted for pan  
and tilt focusing or used as a floor monitor. For truss  
mounting, the I-YM8 accepts most industry standard  
truss clamps.  
Finish  
Weather Resistance  
Grille  
Yes  
Heavy duty powder coated aluminum  
Two Neutrik Speakon NL4FC connectors wired in parallel,  
Included: Pole cup and mic stand adapter. Optional: I-YM8 Yoke mount  
17.5 lbs (7.9 kg) / 20.5 lbs (9.3 kg)  
Connectors  
Mounting Hardware  
Weight - Net / Shipping  
1) All frequency ranges specified refer to measured free field response (full space, 4π)  
2) Calculated SPL at 1 m, full space (4π), speaker operating at rated RMS power with pink noise within specified  
frequency range  
3) Maximum input power tested in accordance with IEC 268-5 recommendations, 50 Hz - 20 kHz band limiting,  
6 dB signal crest factor, 8 hours  
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