Frequency response, 1 meter on-
axis, swept-sine in anechoic
environment:
64 Hz to 18 kHz (±3 dB)
Usable low frequency limit
(-10 dB point):
48 Hz
Power handling:
Full Range:
500 W continuous
1,000 W program
2,000 W peak
Low Frequency Section:
500 W continuous
1,000 W program
2,000 W peak
High Frequency Section:
60 W continuous
120 W program
240 W peak
Sound pressure level, 1 Watt,
1 meter in anechoic environment:
Full Range:
100 dB SPL, (2.83 V input)
Low Frequency Section:
100 dB SPL, (2.83 V input)
High Frequency Section:
110 dB SPL, (2.83 V input)
Maximum sound pressure level
(1 meter):
Full Range:
126 dB SPL continuous
134 dB SPL peak
Low Frequency Section:
127 dB SPL continuous
133 dB SPL peak
High Frequency Section:
128 dB SPL continuous
134 dB SPL peak
Radiation angle measured at -6 dB
point of polar response:
500 Hz - 1.6 kHz:
Horiz.
95
o
± 15
o
Vert.
100
o
± 20
o
1.6 kHz - 5 kHz:
Horiz.
85
o
± 15
o
Vert.
55
o
± 5
o
5 kHz - 16 kHz:
Horiz.
90
o
± 5
o
Vert.
45
o
± 5
o
Directivity factor, Q (Mean):
9.48 ± 3.24
Directivity index, Di (Mean):
9.53 dB ± 1.43 dB
Transducer complement:
Low Frequency Section:
1x 15" woofer, vented
1508 SPS Black Widow
®
High Frequency Section:
.875 in. exit/51 mm voice coil
compression driver
RX
™
22 HF driver on a CD horn
Box tuning frequency:
Low Frequency Section:
58 Hz
Harmonic Distortion:
1% rated power
2nd Harmonic:
100 Hz:
0.81%
1 kHz:
0.14%
3rd Harmonic:
100 Hz:
0.20%
1 kHz:
0.42%
10% rated power
2nd Harmonic:
100 Hz:
2.36%
1 kHz:
0.63%
3rd Harmonic:
100 Hz:
1.07%
1 kHz:
0.61%
S
P
E
C
I
F
I
C
A
T
I
O
N
S
Quadra
™
15
Available in
Black and White
