Frequency response, 1 meter on-axis,
swept-sine in anechoic environment:
52 Hz to 17 kHz (±3 dB)
Usable low frequency limit
(-10 dB point):
45 Hz
Power handling:
Full range:
1,000 Watts continuous
2,000 Watts program
4,000 Watts peak
Low frequency section:
1,000 Watts continuous
2,000 Watts program
4,000 Watts peak
High frequency section:
60 Watts continuous
120 Watts program
240 Watts peak
Sound pressure level, 1 Watt,
1 meter in anechoic environment:
Full range:
100.0 dB SPL (2.83 V input)
Low frequency section:
101 dB SPL (2.83 V input)
Mid/high frequency section:
107 dB SPL (2.83 V input)
Maximum sound pressure level
(1 meter):
Full range:
130 dB SPL continuous
136 dB SPL peak
Low frequency section:
131 dB SPL continuous
137 dB SPL peak
Passive mid/high frequency
section:
129 dB SPL continuous
135 dB SPL peak
Radiation angle measured at
-6 dB point of polar response:
90° horizontal by 40° vertical
The vertical main polar lobe is
angled down 10° with respect to
straight ahead being +10, -30°
Transducer complement:
Low frequency section:
2x 15" woofer, vented
1508-8 HE SF
High frequency section:
1x .875" exit /51mm voice coil
RX
™
22
compression driver
on an
asymmetrical Quadratic
Throat CD horn
Box tuning frequency:
Low Frequency Section: 58 Hz
Crossover frequency
(internal passive):
Low frequency – High frequency
1800 Hz
Recommended Active Crossover
Frequency Region and Slope:
Low Frequency – High Frequency:
1800 Hz at 12 dB/octave
Time Offset:
Low Frequency: 0.0 ms
Mid/High Frequency: 0.48 ms
Impedance (Z):
Full Range:
Nominal:
4.0
Ω
Minimum:
3.4
Ω
Low Frequency:
Nominal:
4.0
Ω
Minimum:
3.2
Ω
Passive HF:
Nominal:
8.0
Ω
Minimum:
5.4
Ω
Input connections:
Full Range: two 1/4" phone jacks,
one Neutrik
®
four-pin Speakon
®
jack
& bi-amp capability provided via an
internal wiring jumper
Enclosure materials and finish:
Nine-ply Baltic birch plywood
finished in black carpet
Mounting provisions:
This unit is not designed for
overhead suspension
Built-in SA-1 stand-mount adapter
and four large rubber feet on bottom
for floor use
Dimensions (H x W x D):
Front:
48.75” x 20.75” x 23.00”
1238 mm x 527 mm x 584 mm
Rear:
48.75” x 12.88” x 23.00”
1238 mm x 327 mm x 584 mm
Net Weight:
113 Lbs.
(51.4kg)
SPECIFICATIONS SP
™
4
