Very high efficiency and good linearity are distinctive features of this mid-bass woofer. Kapton forme voice coil, polycotton suspensions and treated cone guarantee the very high power handling of this transducer. 4-inch, fiberglass inside/outside copper voice coil 1200W continuous program power handling 99 dB Sensitivity 40 Hz – 2 kHz Frequency range M-roll damped surround […]
Very high efficiency and good linearity are distinctive features of this mid-bass woofer.
Kapton forme voice coil, polycotton suspensions and treated cone guarantee the very high power handling of this transducer.
- 4-inch, fiberglass inside/outside copper voice coil
- 1200W continuous program power handling
- 99 dB Sensitivity
- 40 Hz – 2 kHz Frequency range
- M-roll damped surround
- Exponential damped cone
- Copper ring
GENERAL SPECIFICATIONS
- Nominal Diameter:380 / 15mm/inch
- Rated Impedance:8Ω
- Program Power:1200W AES
- Power handling capacity:600W AES
- Sensitivity:99dB
- Frequency Range:40Hz ÷ 2000 Hz
- Effective Piston Diameter:325 / 12.8mm/inch
- Max Excursion Before Damage (peak to peak):44 / 1.73mm/inch
- Minimum Impedance:9Ω
- Voice Coil Diameter:100 / 4mm/inch
- Voice Coil Material:Copper
- Voice Coil Winding Depth:16 / 0.6mm/inch
- Number of layers:2
- Kind of layer:inside / outside
- Top Plate Thickness:9 / 0.35mm/inch
- Cone Material:No pressed pulp
- Cone Design:Curved
- Surround Material:Polycotton
- Surround Design:M – roll
THIELE/SMALL PARAMETERS
- Resonance frequency:35Hz
- DC resistance:6Ω
- Mechanical factor:6
- Electrical factor:25
- Total factor:24
- BL Factor:23T · m
- Effective Moving Mass:91g
- Equivalent Cas air load:227liters
- Effettive piston area:083m²
- linear excursion (mathematical):5.8mm
- Voice – coil inductance @ 1kHz:7mH
- Half-space efficiency:75%
MOUNTING INFORMATION
- Overall Diameter:387 / 15.2mm/inch
- Bolt Circle Diameter:371 / 14.6mm/inch
- Bolt Hole Diameter:5 / 0.3mm/inch
- Front Mount Baffle Cut-out:358 / 14.1mm/inch
- Rear Mount Baffle Cut-out:362 / 14.2mm/inch
- Depth:138 / 5.4mm/inch
- Volume occupied by the driver:8 / 0.13liters/ft³
- Net Weight:3 / 24.9kg/lbs
SHIPPING INFORMATION
- Shipping weight:8 / 26.0kg/lbs
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