Focal Performance Sub P 25 DB Specifications
Performance Sub P 25 DB
16
Ø 230
Ø 145
138.60
58
Ø 260
8 x
Ø4.80
Dual voice-coil 10” (25cm) subwoofer
• 2x4 Ohms dual voice-coil
11/16
”) 145mm dual ferrite
• (5
• For sealed or vented box
SpecificationS
Nominal power 250W
Maximum power 500W
Sensitivity 90.9dB
Cone Polypropylene
Surround Butyl
Nom. impedance 4 Ohms
DC resistance 2x2.4 Ohms
VC diameter 50mm 2"
VC height 25mm 1"
Former Kapton
Layers 4
Wire Copper
Inductance 0.27mH
Xmax 7.5mm 0
Magnet d x h 145x32mm 5
Magnet weight 1600g 3.53Ib
Flux density Gap height 8mm 0
Net weight 4900g 10.8Ib
5/16
11/16x11/4
5/16
"
"
"
SUggeSted application
35 litres (1.24 cu. ft.)
F - 3 = 41Hz / Fast and tight bass
Vented
SPL (dB) 1W/1m
mechanical drawing
Unit: mm
45 litres (1.59 cu. ft.)
F - 3 = 34.7Hz / Dynamic bass
60 litres (2.12 cu. ft.)
F - 3 = 33.2Hz / Deep and articulate bass
Frequency (Hz)
parameterS
Fs 27.46Hz
Vas 40.72 I
Qts 0.431
Qes 0.47
Qms 5.21
Re 1.7 Ohm
Sd 346.36cm
2
Cas 2.90E-7m5/N
Mas 115.87kg/m
4
Ras 3837.08 Ohms.ac
Cms 2.42E-4m/N
Mms 139g
Rms 4.603kg/s
Ces 1556.61mF
Les 21.58mH
Res 19.4 Ohms
BI 9.45 N/A
SPL 84.38 dB/W/m
SUggeSted application
Load Volume Port diameter Port length
Vented 35 8 (3
Vented 45 8 (3
Vented 60 8 (3
Load Volume F-3 (Hz) Ql
Sealed 15 46.2 0.83
Sealed 25 45.1 0.7
Sealed 35 45.6 0.6
1/8
") 20 (7
1/8
") 22 (8
1/8
") 17 (6
7/8
2/3
11/16
")
")
")
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 - SCAuB110405/1
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