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WSF061.52
6.5” WOOFER
FERRITE MAGNET
STEEL BASKET DRIVER
- 1.5 INCH COPPER VOICE COIL
- 94.5 dB/SPL SENSITIVITY
- 250 WATT PROGRAM POWER HANDLING
- FEM OPTIMIZED MOTOR AND SUSPENSIONS
- RESONANCE FREE AND HEAVY DUTY BASKET DESIGN
GENERAL SPECIFICATIONS
Nominal diameter mm (in.) 165 (6.5)
Nominal impedance Ω 8
Minimum impedance Ω 6,2
Program power (1) W 250
AES Power rating (2)
Sensitivity (3) dB 94,5
Frequency range Hz 90 ÷ 5000
Voice coil diameter mm (in.) 38 (1.5)
Chassis material Steel
Magnet material Ferrite
Magnet dimensions
OD x ID x h
Coil material Copper
Former material Polyimide
Cone material Water Proof Treated Paper
Surround material Polycotton
Xmax (4) mm (in.) 3,8 (0.15)
Xmech (5)
Gap height mm (in.) 6 (0.23)
Voice coil winding height mm (in.) 10,6 (0.42)
Driver displacement volume l (ft3) 0,5 (0.02)
W 125
mm
(in.)
mm (in.) 6.3 (0.25)
115 x 45 x 20
(4.5 x 17.7 x 0.79)
SMALL SIGNAL PARAMETERS
DC resistance Re Ohm 5,4
Resonance frequency Fs Hz 90
Moving mass Mms g (oz) 13,4 (0.47)
Compliance Cms mm/N 0,24
Force factor BxL N/A 10,0
Mechanical Q-factor Qms 7,6
Electrical Q-factor Qes 0,41
Total Q-factor Qts 0,39
Equivalent air volume Vas l (ft3) 6,8 (0.24)
Voice coil Inductance Le mH 0,46
Diaphragm area Sd cm2 (in.2) 143 (22.17)
Reference efficiency Eta 0 % 1,20
SHIPPING INFORMATION
Net weight kg (lb.) 2 (4.4)
Multipack size (8)
W x D x H
Multipack weight kg (lb.) 19,5 (42.9)
mm
(in.)
410 x 370 x 208
(16.1 x 14.6 x 8.2)
FREQUENCY RESPONSE
SPL (dB) @ 2.83V, 1m, half space
Frequency (Hz)
DIMENSIONS mm (in.)
(1) Program power is defined as 3 dB greater than AES Power. (2) Tested for two hours using a
continuous, band-limited pink noise signal as per AES 2-1984 Rev. 2003. Loudspeaker tested
in free air. (3) From T/S parameters, measured with Klippel DA LPM module. (4) The Xmax is
calculated as: (Hvc - Hg)/2+ Hg/4. Hvc is the voice coil height and Hg the gap height. (5) The
Xmech is calculated as: (Hvc - Hg)/2 +(Hg-2). Hvc is the voice coil height and Hg the gap height.
(6) Thiele-Small parameters are measured after preconditioning: a) at 20°C- 22°C, 50% humidity
for 2 hours; b) by Klippel LSI measurement.
All specifications subject to change without notice_B.a
Impedance (Ohm)
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