A
very impressive woofer with a large magnet system
combined with a light weight cone and surround.
Excellent for high power bass and sub woofer enclosures
used in P.A., theatre, cinemas, and discotheque.
FREQUENCY
RESPONSE CURVE
ELECTRICAL
MECHANICAL PARAMETERS
Peak power (W)
1200
Power Rms (W)
600
SPLo (SPL à
1W) (dB)
99
Surround
Double M-Roll
Dust cap
Paper
Voice coil material
- diameter (in/mm)
Co - 4" / 102
Revc (DC Vc Res)
(ohm)
5.5
Fs (Resonance
/ Frequency) (HZ)
41.68
Zo (Zmax at Fo)
(ohm)
105.30
Sd (Piston area)
(m2)
0.125
BL (Flux lenght)
(TM)
19.88
no (Ref efficiency)
(%)
4.71
Qms (Mech Q)
7.60
Qes (Elec Q)
0.42
Qts (Total Q)
0.40
Vas (Acoustic
volume) (Litr)
281.66
X-max (mm)
+/- 6mm
Cms (Compliance)
(uM - N)
126.94
Mms (Total mass)
(g)
114.87
Mmd (Diapm mass)
(g)
89.46
MOTOR
IMPEDANCE PARAMETERS
Levc (Induction
at 1kHz) (mH)
1.79
Levc (Induction
at 20kHz) (mH)
0.75
Krm (Resistance
cons) (ohm)
13.51
Kxm (Reaction
cons) (mH)
22.13
Rem
(Resistance at 1kHz) (ohm)
5.57
Rem (Resistance
at 20kHz) (ohm)
43.79
Erm (Resistance
expont)
0.69
Exm (Reaction
expont)
0.71
MOUNTING
INFORMATION
Overall diameter
(in/cm)
18 3/8" / 46.67
Baffle hole diameter
(in/cm)
16 3/4" / 42.54
Depth (in/cm)
7 15/16" / 20.16
Fixing holes (in/cm)
6 11/16" / 16.9
Flange thickness
(in/cm)
19/32" / 1.5
Fixing hole diameter
(in/cm)
17 7/16" / 29.5
Front / Rear sealing
gaskets
Standard
Weight (lbs/kg)
33 / 15
Recom. enclosure
vol. (cu.ft)
3.5 / 7
Shipping weight
(lbs/kg)
35 / 16
Packing carton
dim. (H/V)
10 1/2" / 19
3/4" / 19 3/4"
Belisle
Acoustics Inc. pursues an active Research &
Development program and reserves the right to
alter specifications without prior notice.
