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Alpine SWE-1242 Type E 12 Inch Subwoofer
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SWE-1242
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Thunder AV Price: Discontinued
Detailed Description
Power Handling
Power Handling Capacity (RMS): 250W
Power Handling Capacity (Peak): 750W
FEATURES
Woofer
Kevlar Reinforced Pulp Cone
High Excursion 3/4" Santoprene Surround
Oversized Parabolic Dustcap
Custom High-Strength Steel Basket
High Strength Brass Voice Coil Bobbin
Dual Progressive Nomex? Spiders with Integrated Tinsel Leads with Edge Control
Bumped Backplate
Designed and Engineered in the USA
SPECIFICATIONS
Power Handling
Power Handling Capacity (Peak) : 750W
Power Handling Capacity (RMS) : 250W
General
Diaphragm Material : Kevlar Reinforced Pulp
Spider Material : Dual Oversized Nomex
Voice Coil Diameter : 38mm
Mounting Depth (top mount) : 159mm (6.4")
Mounting Diameter (top mount) : 274mm (11")
Magnetic Weight : 64oz.
Recommended Box Types : Sealed/Bandpass
Recommended Sealed Box Volume : 0.6 - 1.25 cu. ft.
Thiel Small Parameters
Impedance (Nominal) : 4 ohm
Frequency Response : 28Hz - 1kHz
Sensitivity : 89 dB/W/M
D.C.Coil Resistance (Re) : 3.6 ohm
Inductance (Le) : 2.78mH at 1kHz (0.8mH at 20kHz)
Free Air Resonance (Fs) : 31Hz
Equivalent Suspension Stiffness (Vas) : 61 liters(2.3cu.ft.)
Mechanical Q (Qms) : 9.68
Electrical Q (Qes) : 0.70
Total Loudspeaker Q (Qts) : 0.66
Linear Excursion (X linear) : 11.7mm
Maximum Excursion (X peak) : 23.4mm
Mechanical Excursion (Peak-to-Peak) : 40mm
Gap Height (Hag) : 10mm
Coil Height (Hvc) : 33.4mm
Cone Area (Sd) : 490.87 sq. cm
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