Haut-parleur 30cm Precision Devices PD.12SB30
[PD.12SB30-8] Avis/Critiques The ultimate 12” sub bass transducer.
The PD.12SB30 is the perfect choice for an extended low-frequency response and high SPL applications. Ideal for bandpass applications and extended throw designs.
Also excels in compact two-way cabinets giving extended low frequency capability.
• Heavy duty cast aluminium frame with extra wide flange
for increased rigidity
• Sub Bass
• Field replaceable magnet for touring applications
• 400WRMS
• 3” copper voice coil assembly
• 85 oz. ceramic magnet
Specifications
Nominal diameter 30cm (12”)
Voice coil diameter 76 mm (3”)
Nominal Impedance 4, 8 or 16 Ohms
Power rating (AES) 1 400 Watts RMS
Sensitivity 2 (1W/1M) 96 dB/1W/1m
Frequency range 45-3.5 KHz
Enc Vol recommended 25-75 Litres
Displacement limit (peak-peak) 24 mm
Nett weight 7.9 Kg
Resonance 50 Hz
Voice coil copper
Voice coil winding depth 19 mm
Magnet gap depth 9 mm
Flux Density 1.1 T
Dust dome Paper
Suspension Fabric
Cone/Surround Paper/cloth
Notes
1. AES Standard (50 to 500 Hz) Program 800 Watts
2. AES Recommended Practice.
Thiele - Small Parameters
Fs 50.238 Hz
L1 0.999 mH
L2 1.773 mH
Res 87.286 Ohms
RMSE-load 0.905 Ohms
Qts 0.297
RMSE-free 1.718 Ohms
Qms 5.024
Vas 58.945 Litres
Qes 0.316
Mms 67.410 grams
Sd 530.93 sq cm
Cms 148.887 μM/N
R2 8.105 Ohms
BL 19.228T/m
Xmax 7.00 mm
Re 5.493 Ohms
Notes
3. Thiele - Small Parameters follow a 400 Watt preconditioning period.
Response Detail
Response Detail
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.
Mechanical Data
Precision Devices operate a policy of continuous research and development. The implementation of new materials or production methods will always equal or exceed the published specifications, which may change without notice. Details shown on this sheet are correct at time of printing. March 2008
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