Isis 152M and Isis W-152M Specifications

ISIS 152M and ISIS W-152M Specifications

Full Range Specifications (Crossover Mode switch set to Full Range, Passive)

Frequency Range (free field)	Frequency Response (-6 dB)		55-20k Hz
	Usable Frequency Range (-10 dB) 45-20.7k Hz
Maximum Output
Calculated Continuous rms Output	120.5 dB SPL
Calculated Maximum Peak Output	126.5 dB SPL
Continuous Noise Exposure Level	120 dBA SPL
Impedance
Nominal	8 ohms
Minimum	6.3 ohms @ 16.4k Hz
Maximum	52 ohms @ 23.6 Hz
Power Rating
rms Power Handling	350 Watts, 100hrs, IEC 268-5, 50-20kHz, 6 dB crest factor
Recommended Amplifier Power	700 Watts
Sensitivity
1 W, 1 m free field	95.5 dB SPL
Nominal Coverage, -6 dB	Conical, 60°
Directivity Index & Q	Frequency (Hz)	DI (dB)	Q
	500	5.7	3.7
	1000	8.9	7.7
	2000	12.2	52.1
	4000	12.3	16.9
	8000	10.5	11.2
	16000	9.3	8.4

Bi-Amp Specifications (Crossover Mode switch set to Bi-Amp, LF= low frequency transducer, HF= high frequency transducer)

Frequency Range (free field)	LF	HF
Frequency Response (-6 dB)	60-2.6k Hz	630-16k Hz
Usable (-10 dB)	50-3.7k Hz	450-20.7k Hz
Maximum Output
Calculated Continuous rms Output	121 dB SPL	127 dB SPL
Calculated Maximum Peak Output	127 dB SPL	133 dB SPL
Continuous Noise Exposure Level	120 dBA SPL
Impedance
Nominal	8 ohms	8 ohms
Minimum	7.8 ohms @ 55 Hz	9.2 ohms @ 5.1k Hz
Maximum	40 ohms @ 25 Hz	77 ohms @ 440 Hz
Power Rating
rms Power Handling (2 hrs., 6 dB crest factor, within usable freq. range)	350 W	80 W
Recommended Amplifier Power	700 W	160 W
Sensitivity
1 W, 1 m, free field, within usable freq. range	96 dB	108 dB

Bi-Amp with recommended DSP Parameters (QSC DSP configurations are available at the QSC website www.qscaudio.com)

Frequency Range (free field)
Frequency Response (-6 dB)	50-20k Hz
Usable (-10 dB)	45-21k Hz
Directivity Index & Q (free field)	Frequency (Hz)	DI (dB)	Q
	500	5.1	3.4
	1000	12.0	16.0
	2000	9.6	9.1
	4000	12.9	19.7
	8000	10.5	11.2
	6000	9.3	8.4
Physical
Weight	Cored Composite:	22.2 kg net, 25.4 kg gross (49 lbs. net, 56 lbs. gross)
	Wood:	28.1 kg net, 31.3 kg gross (62 lbs. net, 69 lbs. gross)

Specifications are subject to change without notice.