• 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

   75.5 mm

   17  mm

   Til       

   2

   Aluminum

Diameter

Height

Weight

Gap (H)

*

   225 mm

   30 mm

   2736 g

   10 mm

   Ferrite

Dimension

Cone

Surround

Nominal Impedance 

Nominal Power Handling

Program Power Handling

Sensitivity

Free air resonance

Frequency range

Net Weight

   310 mm (12”)

   Non-pressed paper

   Cloth

   8 ohms

   320 W

   450 W      

   97 dB (2.83V/1m)

   39 Hz        

   39 ~  4500 Hz

   10.7 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: 0.29 

   Qes: 0.30 

   Qms: 5.84 

   Vas: 122.28 (L)

   Fs: 39 (Hz) 

   Re: 5.7 (W)

   Le: 1.40 (mH)

   Zo: 115.14 (W)

   Sd: 0.0499 (m²)

   Xmax: 3.5  (mm)

   Cms: 0.00035 (m/N)

   Mms: 47.19 (g)

   BL: 14.73 (N/A)

   SPL: 97 (dB)