APMB-638SB-B is 6" APMB series 300W Speakers by Audiopipe with one Pair. APMB-638SB-B gives perfect price-quality ratio. Its best quality material provides best sound and ultimate satisfaction of your sound.
6" APMB Series Sealed Back Midrange Driver
Low mid frequency loudspeaker
Loudspeaker design provides pro audio quality sound in your car
Bullet dust cap ensures high quality high frequency sound
Pressed paper cone
Sealed basket design for improved speaker life
Durable 1-1/2" KSV voice coil
Heavy duty 38 oz Magnet
Sensitivity: 98 dB
Mounting Depth: 2-3/4"
Mounting Diameter: 5-11/16"
8 ohms impedance
Peak: 300 watts
RMS: 150 watts
500 - 5,400 Hz
FS (Free Air Resonance): 463 Hz
RE (DC Resistance): 6.2 ohms
Le (Voice Coil Inductance): 0.28 mH
QMS (Mechanical Q Value): 1.27
QES (Electrical Q Value): 1.31
QTS (Total Speaker Q Value): 0.64
VAS (Equivalent Compliance): 0.4 L (0.014 cu ft.)
Xmax (One-Way Linear Excursion): 0.15mm (0.006")
F3 (for Sealed Enclosure):
0.35 cu ft.: 480 Hz
0.45 cu ft.: 470 Hz
F3 (for Vented Enclosure):
0.4 cu ft.: 455 Hz
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*Warranty: 1 Year Manufacturer warranty.
This item is accompanied by a manufacturer's warranty. If it is found to be defective, it may be returned to OnlineCarstereo.com for replacement within 30 days from the original date of purchase with proper return authorization. After the 30 day time period, products must be returned to their original manufacturer for the remainder of the manufacturer's warranty period.