This
is an efficient upper-mid range speaker capable
of extended HF response. For small to medium size
venues, P.A. installations, disco sys-tems and as
upper mid speaker in multi-way systems.
FREQUENCY
RESPONSE CURVE
ELECTRICAL
MECHANICAL PARAMETERS
Peak power (W)
1000
Power Rms (W)
500
SPLo (SPL à
1W) (dB)
98
Surround
Wave
Dust cap
Paper
Voice coil material
- diameter (in/mm)
Co - 3" / 75
Revc (DC Vc Res)
(ohm)
5.2
Fs (Resonance
/ Frequency) (HZ)
55.45
Zo (Zmax at Fo)
(ohm)
88.09
Sd (Piston area)
(m2)
0.054
BL (Flux lenght)
(TM)
23.30
no (Ref efficiency)
(%)
1.56
Qms (Mech Q)
5.53
Qes (Elec Q)
0.35
Qts (Total Q)
0.33
Vas (Acoustic
volume) (Litr)
32.83
X-max (mm)
+/- 4mm
Cms (Compliance)
(uM - N)
79.29
Mms (Total mass)
(g)
103.90
Mmd (Diapm mass)
(g)
69.69
MOTOR
IMPEDANCE PARAMETERS
Levc (Induction
at 1kHz) (mH)
1.56
Levc (Induction
at 20kHz) (mH)
0.73
Krm (Resistance
cons) (ohm)
8.53
Kxm (Reaction
cons) (mH)
15.18
Rem
(Resistance at 1kHz) (ohm)
4.66
Rem (Resistance
at 20kHz) (ohm)
40.31
Erm (Resistance
expont)
0.72
Exm (Reaction
expont)
0.74
MOUNTING
INFORMATION
Overall diameter
(in/cm)
12 1/4" / 31
Baffle hole diameter
(in/cm)
11 1/8" / 28.26
Depth (in/cm)
5 3/4" / 14.60
Fixing holes (in/cm)
4 1/2" / 11.3
Flange thickness
(in/cm)
7/32" / 0.55
Fixing hole diameter
(in/cm)
11 5/8" / 29.5
Front / Rear sealing
gaskets
Standard
Weight (lbs/kg)
25 / 11.36
Recom. enclosure
vol. (cu.ft)
1.8 / 4.2
Shipping weight
(lbs/kg)
27 / 12.27
Packing carton
dim. (H/V)
8" / 12 3/4"
/ 12 3/4"
Belisle
Acoustics Inc. pursues an active Research &
Development program and reserves the right to
alter specifications without prior notice.
