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Beamwidth, Impedance, Q & directivity index – Peavey ILS 1294 H User Manual

Page 2: Amplitude response (1w 1m on-axis)

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3rd Harmonic:

100 Hz:

0.25%

1 kHz:

0.29%

10% rated power
2nd Harmonic:

100 Hz:

8.62%

1 kHz:

1.75%

3rd Harmonic:

100 Hz:

2.62%

1 kHz:

0.24%

Crossover Frequency (internal
passive):

Low Frequency - High Frequency:

1,600 Hz

Time Offset:

Low Frequency:

0.00 ms

High Frequency:

0.38 ms

Impedance (Z):

Full Range:

Nominal:

8.0 Ω

Minimum:

7.1 Ω

Low Frequency:

Nominal:

8.0 Ω

Minimum:

7.4 Ω

High Frequency:

Nominal:

8.0 Ω

Minimum:

8.3 Ω

Input Connections:

2x Neutrik

®

Speakon

®

NL4MD and

1x 5-position barrier strip

Enclosure Materials and Finish:

3/4 in. poplar plywood finished in
exterior grade hardened black paint

Mounting Provisions:

(12) 3/8"-16 threaded mounting
suspension points (2 each top,
bottom and back and 3 each sides)

Dimensions (H x W x D):

Front:

17.50 in. x 30.75 in. x 17.50 in.
445 mm x 781 mm x 445 mm

Rear:

11.88 in. x 30.75 in. x 17.50 in.
302 mm x 781 mm x 445 mm

Net Weight:

80 lbs. (36.4 kg)

Features

• 63 Hz to 18.5 kHz bandpass
• 4" diaphragm, 1.6" exit, ferrofluid

equipped high frequency
compression driver

• Patented Quadratic Throat

Waveguide

• Carefully tailored directivity

patterns

2

20

50

100

200

500

1k

2k

5k

10k

20k

Frequency (Hz)

30

40

60

80

100

140

180

300

360

Beamwidth

(Degrees)

Beamwidth

Vertical

Horizontal

Figure 3

20

50

100

200

500

1k

2k

5k

10k

20k

Frequency (Hz)

1

2

3

5

10

20

30

50

100

Impedance

Z

( )

Figure 2

20

50

100

200

500

1k

2k

5k

10k

20k

Frequency (Hz)

1

10

100

Q & Directivity Index

Q

Figure 4

20

10

Di

0

20

50

100

200

500

1k

2k

5k

10k

20k

Frequency (Hz)

60

70

80

90

100

110

dB

SPL

(re

20

Pa)

Amplitude Response (1W 1m On-Axis)

Figure 1