Data Sheet

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© Precision Devices International Ltd. We operate a policy of continuous research and development and as such published specifications are subject to change without notice.
140122
FREQUENCY RESPONSE & IMPEDANCE CHARTS
4
THIELE SMALL PARAMETERS (8 Ω MODEL)
3
DIMENSIONS & MOUNTING INFORMATION
Overall Diameter 632 mm
Width Across Flats 610 mm
Flange Height 17 mm
Depth (Excluding Flange) 260 mm
Magnet Diameter 194 mm
Chassis Shoulder Diameter 573 mm
Outer Bolt Circle x6 M8 on 606 mm PCD
WEIGHT
Nett Weight 23.00 kg / 50.71 lb
Shipping Weight 25.00 kg / 55.12 lb
Fs 34 Hz
Re 5.3 Ω
Qms 9.92
Qes 0.32
Qts 0.31
Le (@ 1 kHz) 4.01 mH
Le (@ 10 kHz) 1.51 mH
Vas 355 Litres
Mms 440 g
Sd 2239 cm
2
Cms 49.8 µm/N
BL 39.46 T/m
Xmax 16.00 mm
Vd 3.58 Litres
Ref. Eciency 4.19 %
EBP 106.25 Hz
* Power compression is the reduction of sensitivity at the specied power. Higher power ratings do not necessarily
give a proportionate increase in SPL therefore the maximum SPL of the driver may signicantly exceed that of other
manufacturers with high power ratings.
1. A.E.S. Standard (20 to 200 Hz). Program 1800 Watts.
2. A.E.S. Recommended Practice.
3. Thiele - Small Parameters follow a 1200 Watt preconditioning period veried by Klippel LSI measurement.
4. 2.83V. Half space response measured in a 975 Litre sealed enclosure.
Please note that frequency response measurements are supplied for comparison purposes only and are not a measure of
the low frequency performance which may be achievable in a fully optimised system.
PD.24603BR
SUB BASS DRIVER
GENERAL SPECIFICATIONS
Nominal Diameter 24” / 610 mm
Voice Coil Diameter 6.08” / 152 mm
Available Impedances 8 Ohm
Power Rating
1 2 *
1800 W (A.E.S.)
Peak Power (6dB Crest
Factor)
*
7200 W (A.E.S.)
Sensitivity (1W - 1m)
*
98 dB
Frequency Range 20 Hz - 200 Hz
Recommended Enclosure
Volume
150 - 220 Litres
Resonance 34 Hz
Voice Coil Winding Depth 37.00 mm / 1.46”
Magnet Gap Depth 15.0 mm / 0.59”
Flux Density 1.5 Tesla
Magnet Material Neodymium
Voice Coil Material Copper
Former Material Glass Fibre
Dust Dome Material Solid Paper
Suspension Material Fabric
Cone Material Paper
Surround Material Fabric
+120
+110
+100
+90
+80
+70
+60
+50
dB (1W-1m)
20 50 100 200 500 1k 2k 5k 10k 20k(Hz)
200
100
50
20
10
5
2
1
Ohms (Ω)
20 50 100 200 500 1k 2k 5k 10k 20k(Hz)