thepreludedude
09-16-2004, 01:58 PM
i have an extra 12" alpine type-r subwoofer. model number SWR-122D dual voice coil. dual 2 ohm. bought it from a guy that used it for less than a month. looking for $75. i have been useing one like this in my prelude for over a year now. i have been very happy with it. i have been running it off of a jl audio 500/1 amp with no problems.
specs from alpine site:
Woofer
Bumped Backplate
Compound Radius Curve Pole Geometry
Custom Cast Aluminum Frame with Integrated Heat Transfer Plate
Designed and Engineered in the USA
Dual Progressive Oversized Nomex® Spiders
Dual Stacked Magnets
Dual Voice Coil Design
Extra Length Extended Pole
Flared Pole Vent
Heavy Duty 8ga. Push Terminals
High Excursion 1" Santoprene Surround
High Strength Brass Voice Coil Bobbin
Integrated Tinsel Lead Design
Kevlar Reinforced Pulp Cone
Magnetically Optimized Motor Structure (Pat. Pend.)
Oversized Parabolic Dustcap
Specs:
General-Subwoofers
Diaphragm Material : Kevlar Reinforced Pulp
Magnetic Weight : 89.4oz.
Mounting Depth (top mount) : 178mm (7”)
Mounting Diameter (top mount) : 275mm (10-7/8”)
Recommended Box Types : Sealed/Vented/Bandpass
Recommended Sealed Box Volume : 0.7 – 1.0 cu. ft.
Spider Material : Nomex
Voice Coil Diameter : 50mm
Power Handling
Power Handling Capacity (Peak) : 1000W
Power Handling Capacity (RMS) : 300W
Thiel Small Parameters
Coil Height (Hvc) : 36.7mm
Cone Area (Sd) : 467.59 sq. cm
D.C.Coil Resistance (Re) : 1.8 ohm + 1.8 ohm
Electrical Q (Qes) : 0.40
Equivalent Suspension Stiffness (Vas) : 58 liters(2.04cu.ft.)
Free Air Resonance (Fs) : 27Hz
Frequency Response : 24Hz - 1kHz
Gap Height (Hag) : 10mm
Impedance (Nominal) : 2 ohm + 2 ohm
Inductance (Le) : 2.41mH at 1kHz (0.84mH at 20kHz)
Linear Excursion (X linear) : 13.35mm
Maximum Excursion (X peak) : 26.7mm
Mechanical Excursion (Peak-to-Peak) : 55mm
Mechanical Q (Qms) : 8.68
Sensitivity : 87 dB/W/M
Total Loudspeaker Q (Qts) : 0.38
http://www.imagestation.com/picture/sraid112/p01147c131f5f580a629b0aeebca85fe1/f902a639.jpg
http://www.imagestation.com/picture/sraid112/p110d4cb2874cbef7da0ea94e72018d11/f902a643.jpg
(the white looking stuff on the bottom of the box is velcro. this is what i used to keep the box in place. can be easily removed)
ALSO for sale, i have a sealed all plexiglass subwoofer box for 1-12".the dimensions are 15"x15"x10.5" looks very cool. works very well. the size is 1.1 cubic feet. usually these sell for around $200. on the internet. looking for $125.
buy both together will ship for free.
the sub is available now. the box in about a week.
i have 100% feedback on ebay (preluderog) and ove 50 positive tranactions on preludeonline.
specs from alpine site:
Woofer
Bumped Backplate
Compound Radius Curve Pole Geometry
Custom Cast Aluminum Frame with Integrated Heat Transfer Plate
Designed and Engineered in the USA
Dual Progressive Oversized Nomex® Spiders
Dual Stacked Magnets
Dual Voice Coil Design
Extra Length Extended Pole
Flared Pole Vent
Heavy Duty 8ga. Push Terminals
High Excursion 1" Santoprene Surround
High Strength Brass Voice Coil Bobbin
Integrated Tinsel Lead Design
Kevlar Reinforced Pulp Cone
Magnetically Optimized Motor Structure (Pat. Pend.)
Oversized Parabolic Dustcap
Specs:
General-Subwoofers
Diaphragm Material : Kevlar Reinforced Pulp
Magnetic Weight : 89.4oz.
Mounting Depth (top mount) : 178mm (7”)
Mounting Diameter (top mount) : 275mm (10-7/8”)
Recommended Box Types : Sealed/Vented/Bandpass
Recommended Sealed Box Volume : 0.7 – 1.0 cu. ft.
Spider Material : Nomex
Voice Coil Diameter : 50mm
Power Handling
Power Handling Capacity (Peak) : 1000W
Power Handling Capacity (RMS) : 300W
Thiel Small Parameters
Coil Height (Hvc) : 36.7mm
Cone Area (Sd) : 467.59 sq. cm
D.C.Coil Resistance (Re) : 1.8 ohm + 1.8 ohm
Electrical Q (Qes) : 0.40
Equivalent Suspension Stiffness (Vas) : 58 liters(2.04cu.ft.)
Free Air Resonance (Fs) : 27Hz
Frequency Response : 24Hz - 1kHz
Gap Height (Hag) : 10mm
Impedance (Nominal) : 2 ohm + 2 ohm
Inductance (Le) : 2.41mH at 1kHz (0.84mH at 20kHz)
Linear Excursion (X linear) : 13.35mm
Maximum Excursion (X peak) : 26.7mm
Mechanical Excursion (Peak-to-Peak) : 55mm
Mechanical Q (Qms) : 8.68
Sensitivity : 87 dB/W/M
Total Loudspeaker Q (Qts) : 0.38
http://www.imagestation.com/picture/sraid112/p01147c131f5f580a629b0aeebca85fe1/f902a639.jpg
http://www.imagestation.com/picture/sraid112/p110d4cb2874cbef7da0ea94e72018d11/f902a643.jpg
(the white looking stuff on the bottom of the box is velcro. this is what i used to keep the box in place. can be easily removed)
ALSO for sale, i have a sealed all plexiglass subwoofer box for 1-12".the dimensions are 15"x15"x10.5" looks very cool. works very well. the size is 1.1 cubic feet. usually these sell for around $200. on the internet. looking for $125.
buy both together will ship for free.
the sub is available now. the box in about a week.
i have 100% feedback on ebay (preluderog) and ove 50 positive tranactions on preludeonline.