Specifications – QSC Audio I-YM8 User Manual
Page 8
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8
Specifications
Frequency Response
1
:
80- 21k Hz (-6 dB)
60- 22k Hz (-10 dB)
Maximum Output
2
:
113 dB SPL continuous rms output
(calculated)
119 dB SPL peak output
Impedance:
8 ohms nominal
7.0 ohms minimum, 210 Hz
135 ohms maximum
Power Rating
3
:
rms (IEC 100 hrs):
200 watts rms
recommended amp power:
400 watts rms
Sensitivity:
90.5 dB, 1 watt, 1 meter, free field (4 pi)
Directivity Index:
500 Hz
4.0
1000 Hz
5.5
2000 Hz
11.7
4000 Hz
8.9
8000 Hz
8.6
16000 Hz
7.2
Q:
500 Hz
2.5
1000 Hz
3.6
2000 Hz
14.7
4000 Hz
7.7
8000 Hz
7.3
16000 Hz
5.3
Weight:
I-82H: 17.5 lb. net, 20.5 lb. shipping
I-YM8: 2.8 lb. net, 5.0 lb. shipping
Nominal Coverage:
90° horiz. x 60° vert., waveguide can be rotated 90°
Enclosure and Grill:
high impact polystyrene, removable metal grill, logo badge can be rotated
Connectors:
two (2) Neutrik Speakon NL4FC connectors wired in parallel, +signal: pin 1+, - signal: pin 1-
Mounting Hardware:
Included: Pole cup (attaches to loudspeaker bottom or optional yoke mount,
fits 1.375” or 1.500” (35 mm or 38 mm) diameter poles) and 5/8”-27 mic stand adapter.
Optional: Yoke mount with retaining knobs, two swivel feet for using yoke mount as stage
monitor, pole cup (attaches to loudspeaker bottom or optional yoke mount, fits 1.375” or 1.500”
(35 mm or 38 mm) diameter poles) and 5/8”-27 mic stand adapter, and retaining knob for pole cup.
NOTES:
1- All frequency ranges specified refer to measured free-field response (4 pi).
2- Calculated maximum peak SPL at 1 m, free-field, speaker operating at rated rms power pink noise input, 50 Hz to 20 kHz.
3- Maximum input power tested in accordance with IEC recommendations; 50 Hz to 20 kHz band limiting, 6 dB signal crest factor.
Specifications are subject to change without notice.