- 2.5 INCH EDGEWOUND CCA VOICE COIL
 
- 95 dB/SPL SENSITIVITY
 
- 500 WATT PROGRAM POWER HANDING
 
- FEM OPTIMIZED MOTOR AND SUSPENSIONS
 
- OPTIMIZED COOLING SYSTEM
 
- RESONANCE FREE AND HEAVY DUTY BASKET DESIGN

Nominal diameter	210(8) mm (in.)
Nominal impedance	8 Ω
Minimum impedance	6.2 Ω
Program power (1)	500 W
AES Power rating(2)	250 W
Sensitivity (3)	95 dB
Frequency range	71 ~ 3500 Hz
Voice coil diameter	65(2.5) mm (in.)
Chassis material	Steel
Magnet material	Neodymium
Magnet dimensions (ODxIDxh)	64 x 10 x 10 mm
Coil material	CCAW
Former material	Glass Fiber
Xmax(4)	6 mm
Xmech(5)	10 mm
Gap height	8 mm
Voice coil Winding height	16 mm

DC resistance(Re)	5.2 Ω
Resonance frequency(Fs)	71 Hz
Moving mass(Mms)	30 g
Compliance(Cms)	0.14 mm/N
Force factor(BL)	13.80 N/A
Mechanical Q-factor(Qms)	3.7
Electrical Q-factor(Qes)	0.36
Total Q-factor(Qts)	0.33
Equivalent air volume(Vas)	21 I
Voice coil Inductance(Le)	0.80 mH
Diaphragm area(Sd)	227 cm2
Reference efficiency(Eta O)	1.8 %

Net weight	1.8 Kg
Multipack size (2) (W x D x H)	225 x 225 x 260 mm
Multipack weight	3.9 Kg

(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 LMS 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 LMS LSI measurement.