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Nominal power 250W
Maximum power 500W
Sensitivity 90.8dB
Cone Polypropylene
Surround Butyl
Nom. impedance 4 Ohms
DC resistance 3.6 Ohms
VC diameter 50mm
VC height 18.5mm
Former Kapton
Layers 4
Wire Copper
Inductance 1.12mH
Xmax 5.25mm 0 3/16"
Magnet d x h 145x20mm 5 11/16 x 0 13/16"
Magnet weight 1000g 2.2Ib
Flux density -
Gap height 8mm
Net weight 4050g 8.93Ib
Performance Sub P 30
12” (30cm) subwoofer
• Polypropylene cone
• For sealed or vented box
SpecificationS
Ø 315.40
Ø 272.5
16.80
146.5
0
75
Ø 145
Ø 297.70
8 x Ø 6.40Unit: mm
mechanical drawing
Focal® is a trademark of Focal-JMlab®-Tel. (33) 04 77 43 57 00 - www.focal.com - Images may not conform exactly to specific product. Photos L’Atelier Sylvain Madelon - SCAuB110407/1
SUggeSted applicationLoad Volume Port diameter Port length
Vented 35 8 (31/8") 20 (77/8")
Vented 45 8 (31/8") 22 (82/3")
Vented 60 8 (31/8") 17 (611/16")
Load Volume F-3 (Hz) Ql
Sealed 25 47.3 0.96
Sealed 35 45.1 0.85
Sealed 45 44 0.79
Frequency (Hz)
Fs 31.28Hz
Vas 63.92 I
Qts 0.51
Qes 0.55
Qms 6.59
Re 3.6 Ohms
Sd 510.7cm2
Cas 4.55E-7m5/N
Mas 56.87kg/m4
Ras 1695.98 Ohms.ac
Cms 1.75E-4m/N
Mms 148.32g
Rms 4.423kg/s
Ces 777.34mF
Les 33.3mH
Res 43.13 Ohms
BI 13.81 N/A
SPL 87.35 dB/W/m
parameterSSUggeSted application35 litres (1.24 cu. ft.)F - 3 = 41Hz / Fast and tight bass
45 litres (1.59 cu. ft.) F - 3 = 35Hz / Dynamic bass
60 litres (2.12 cu. ft.)F - 3 = 33.2Hz / Deep and articulate bass
SP
L (d
B) 1
W/1
m
Vented