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. 00 33 4 77 43 57 00 - Fax 00 33 4 77 43 57 04 - 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

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