• Heavy duty, cast aluminum reinforced frame, gold plated terminal..
• Strengthened paper cone.
• MMS (multi-magnet surround) motor system.
• I.O.M. (inside and outside magnet) patent motor system.
• Full vented magnet circuit.
• Increased huge power handling capability.
• New milestone in this professional field with top-notch design.

Diameter

Length

Former

Layers

Wire

   99.2 mm

   18.3  mm

   Til       

   2

   Aluminum

Diameter

Height

Weight

Gap (H)

*

   260 mm

   30 mm

   3648 g

   10 mm

   Ferrite

Dimension

Cone

Surround

Nominal Impedance 

Nominal Power Handling

Program Power Handling

Sensitivity

Free air resonance

Frequency range

Net Weight

   465 mm (18”)

   Non-pressed paper

   Cloth

   8 ohms

   600 W

   850 W      

   98 dB (2.83V/1m)

   37 Hz        

   37 ~  3000 Hz

   16.5 kg

Total Q factor

Electrical Q factor

Mechanical Q factor

Equivalent volume

Free air resonance

DC resistance

Inductance (1k Hz)

Fs resistance

Effective piston area

Linear displacement

Suspension compliance

Moving mass

BL product

Sound pressure level

   Qts: 0.48 

   Qes: 0.53 

   Qms: 5.68 

   Vas: 361.55 (L)

   Fs: 37 (Hz) 

   Re: 6.10 (W)

   Le: 1.83 (mH)

   Zo: 71.97 (W)

   Sd: 0.1269 (m²)

   Xmax: 4.1 (mm)

   Cms: 0.00016 (m/N)

   Mms: 113.49 (g)

   BL: 17.55 (N/A)

   SPL: 98 (dB)