SPECIFICATIONS Designed specifi cally to provide powerful and accurate bass

SPECIFICATIONS Designed specifi cally to provide powerful and accurate bass
SPECIFICATIONS
Nominal Diameter
Voice Coil Diameter
Nominal impedance
Power Rating
Sensitivity (1W/1M)
Frequency Range
Recommended Enclosure Volume
Displacement Limit (peak-peak)
Resonance
Voice Coil
Voice Coil Winding Depth
Magnet Gap Depth
Magnet Material
Magnet Weight
Flux Density
Dust Dome Material
Suspension Material
Cone / Surround Material
38 cm (15”)
101 mm (4”)
4,8 or 16 Ohms
600 Watts (AES)
99 dB
40 Hz - 1.5 kHz
80-200 Litres
22 mm (0.88”)
31 Hz
Copper
22 mm (0.87”)
10 mm (0.394”)
Ceramic
3.0 Kg (110 oz..)
1.5 T
Paper
Fabric
Paper/Fabric
PD.1550
Designed specifically to provide powerful and accurate bass
frequencies with minimal distortion and power compression.
Suitable for sound reinforcement in a variety of enclosure
types since it allows enclosure designers considerably more
freedom with specialised loading techniques without having
to make allowances for physical characteristics or power
handling limitations which are typically the result of more
traditional designs.
THIELE SMALL PARAMETERS
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●
●
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MOUNTING AND SHIPPING INFORMATION
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Fixing Holes
●
x 6 Fixing Holes M6
x 8 Concealed M6
12.8 Kg (28.16 lb.)
14.0 Kg (30.94 lb.)
Nett Weight
Shipping Weight
●
11 mm
39
4
m
m
●
●
352 mm
407 mm
161 mm
1. AES Standard (40 to 400 Hz) Program 1200 Watts 2. Sensitivity is derived from the sine
wave response between 60 - 450 Hz at 5W/2M using Zmin. It should be noted that not all
manufacturers’ sensitivity figures are based on this AES Recommended Practice. 3. In less
demanding applications, the crossover point may be higher. 4. Thiele - Small Parameters
follow a 600 Watt preconditioning period.
*1 Power compression is the reduction of sensitivity at the specified power. Higher
power ratings do not necessarily give a proportionate increase in SPL, therefore the
maximum SPL of the PD.1550 may significantly exceed that of other manufacturers
with high published power ratings.
*2 Distortion is measured at 10% of the rated power (AES standard)
FREQUENCY RESPONSE DATA:
120
300
200
110
100
100
Ohms
●
Heavy duty 15” cast aluminium frame with extra wide
flange for increased rigidity
Woofer
Field replaceable magnet for touring applications
600WRMS
4” copper voice coil assembly
110 oz. ceramic magnet
Power compression only 2.7dB at rated power*1
Improved linear excursion
Distortion *2
2nd Harmonic < 1 %
3rd Harmonic < 1 %
Advanced magnetic assembly incorporating a composite
alloy and steel pole piece giving a uniform and stable
magnetic field
Improved linear excursion and efficient thermal path to
effectively dissipate heat produced by the voice coil
A B/L in excess of 26 T/m which contributes to the speed,
accuracy and fidelity of the unit maintaining control
of the cone under the most demanding operating
conditions
16
90
8
4
50
2
70
1
20
50
100
200
500
1k
Frequency Hz
2k
5k
10k
IMPEDANCE:
120
300
200
110
100
100
Ohms
●
Sound Pressure Level in dB
31 Hz
6.4 Ohms
0.21
5.55
0.22
242 Litres
123.4 g
890 cm2
215 μM/N
26.34 T/m
8.2 mm
0.73 Litres
3.14 %
Sound Pressure Level in dB
Fs
Re
Qts
Qms
Qes
Vas
Mms
Sd
Cms
BL
Xmax
Vd
Reference Efficiency
16
90
8
4
50
2
70
1
20
50
100
200
500
1k
Frequency Hz
2k
5k
10k
Response measured in a half space environment using a vented enclosure of 107 litres.
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.
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