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QSC Audio ISIS Series User Manual

Page 15

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15

ISIS 122M and ISIS W-122M Specifications

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

Frequency Range (free field)

Frequency Response (-6 dB)

60-19k Hz

Usable Frequency Range (-10 dB) 50-20k Hz

Maximum Output

Calculated Continuous rms Output

120 dB SPL

Calculated Maximum Peak Output

126 dB SPL

Continuous Noise Exposure Level

119 dBA SPL

Impedance

Nominal

8 ohms

Minimum

6.8 ohms @ 15k Hz

Maximum

58 ohms @ 30 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 dB SPL

Nominal Coverage, -6 dB

Conical, 60°

Directivity Index & Q

Frequency (Hz)

DI (dB)

Q

500

4.4

2.8

1000

7.9

6.1

2000

9.5

8.8

4000

12.0

15.7

8000

11.2

13.2

16000

9.6

9.1

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)

70-3.9k Hz

600-19k Hz

Usable (-10 dB)

50-4k Hz

500-20k 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

7.9 ohms @ 305 Hz

8.5 ohms @ 4k Hz

Maximum

52 ohms @ 32 Hz

69.0 ohms @ 450 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)

55-19k Hz

Usable (-10 dB)

45-20k Hz

Directivity Index & Q (free field)

Frequency (Hz)

DI (dB)

Q

500

4.5

2.8

1000

12.2

16.4

2000

9.7

9.3

4000

12.3

17.7

8000

11.0

12.5

6000

9.8

9.6

Physical
Weight

Cored Composite:

15.4 kg net, 18.6 kg gross (34 lbs. net, 41 lbs. gross)

Wood:

23.6 kg net, 26.8 kg gross (52 lbs. net, 59 lbs. gross)

Specifications are subject to change without notice.