Precision Devices International Limited Precision Devices Made in UK
the precision dna PD.155N01 PD.123C01 - out now PD.184C01 - Out now

PD.12SB30

ARCHIVED PRODUCT
No Longer Available
  • Out of Manufacture - No longer Available.
  • Superseded by the PD.123C01
  • Heavy-duty cast aluminium chassis for increased rigidity.
  • Smooth extended low-frequency response.
  • Suitable for bass reflex and bandpass applications.
  • Easy integration with 2" compression drivers.


*2.83V. Half space response measured in a 975 Litre sealed enclosure.


 

*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 driver may significantly exceed that of other manufacturers with high power ratings.

1. AES Standard (50 to 500 Hz) Program 800 Watts.
2. AES Recommended Practice.
3. Thiele - Small Parameters follow a 400 Watt preconditioning period.

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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SPECIFICATIONS
Nominal Diameter300 mm / 12"
Voice Coil Diameter76 mm / 3.0"
Nominal Impedance8 Ω
Available In4 Ω/ 8 Ω/ 16 Ω
Power Rating400 w (A.E.S.)
Peak Power (6dB Crest Factor)1600 w (A.E.S.)
Sensitivity (1w / 1m)96 dB
Frequency Range45 Hz - 3.5 kHz
Recommended Enclosure Volume25 - 75 Litres
Resonance46.79 Hz
Voice Coil Winding Depth19 mm / 0.75"
Magnet Gap Depth9 mm / 0.35"
Flux Density Tesla1.1 Tesla
Magnet MaterialCeramic
Voice Coil MaterialCopper
Former MaterialGlass Fibre
Dust Dome MaterialPaper
Suspension MaterialFabric
Cone Surround MaterialPaper / Fabric
THIELE SMALL PARAMETERS
Fs 46.79 Hz
Re 5.88 Ω
Qms16.18
Qes0.32
Qts0.31
Le 0.85 mh
L2 1.78 mh
R2 14.75 Ω
Vas 66.82 litres
Mms 68.56 g
Sd 530.93 cm2
Cms 169 µm/N
BL19.22 T/m
Xmax7 mm
Vd0.372 litres
Ref. Efficiency2.28%
MOUNTING AND SHIPPING INFORMATION
Overall Diameter330 mm
Width Across Flats320.5 mm
Flange Height10 mm
Depth (Excl. Flange)127 mm
Magnet Diameter170 mm
Chassis Shoulder Diameter282 mm
Outer Bolt Circle6 * M6 on 318mm PCD
Inner Bolt Circle8 * M6 on 293mm PCD
Nett Weight7.9 Kg / 17.42 lb.
Shipping Weight8.8 Kg / 19.4 lb.
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