Focal BombA 27 V1 User manual

Fs
Vas
Qts
Qes
Qms
Re
Sd
Cas
Mas
Ras
Cms
Mms
Rms
Ces
Les
Res
BI
SPL
Focal®is a trademark of Focal-JMlab®
108, rue de l'Avenir - BP 374 - 42353 La Talaudière cedex - France - Tel. [phone] - Fax [phone] - www.focal-fr.com
Specifications
Parameters
Mechanical Drawing
Response curve
Unit: mm
Nominal power
Maximum power
Sensitivity (2.83V/m)
Cone
Surround
Nom. impedance
DC resistance
VC diameter
VC height
Former
Layers
Wire
Inductance
Xmax
Magnet (hxd)
Magnet weight
Flux density
Gap height
Net weight
250 W
500 W
90 dB
Polyglass
Butyl
4 ohm
2.9 ohm
50 mm 2 in
20 mm 3/4 in
Aluminum
4
Copper
1.5 m
6 mm 1/4 in
120 x 25 mm 43/4 x 1 in
870 g 1.93 lb
0.8 T
8 mm 0.31 in
3.95 kg 8.7 Ib
39.01 z
21.43 I 0.75 Ft3
0.44
0.51
3.47
2.9 ohm
330 cm2 511/16 in2
1.53E-07 m5/N
109.11 kg/m4
7707.32 ohm.ac
1.40E-04 m/N
118.87 g 0.25 lb
8.40 kg/s
717.49 mF
23.20 m
19.73 ohm
12.87 N/A
85.8 dB/W/m
©Focal-JMlab - SCFR050504/1
27 V1
270mm (11") Polyglass subwoofer
•50mm / 4 layers voice-coil
•Polyglass cone
•Zamak basket
Vented enclosure
15 litres (0.530 cu. ft.)
F - 3 = 46Hz /
Fast and tight bass
20 litres (0.706 cu. ft.)
F - 3 = 40Hz / Punchy
and dynamic bass
30 litres (1.059 cu. ft.)
F - 3 = 33Hz / Deep
and articulate bass
SPL (dB) 1W/1m
Frequency (Hz)
Load Vol Fb F-3 (Hz) Ql
Vented 15 l 51 46 7
Vented 20 l 44 40 7
Vented 30 l 36 33 7
Suggested application