MCM Electronics

120W Rms 4 Ohm Rubber Surround Woofer Poly Cone 12 Inch McmMCM Part #: 55-3233  |  MCM Audio Select Part #: 55-3233

120W Rms 4 Ohm Rubber Surround Woofer Poly Cone 12 Inch Mcm 4 stars from 1 review.
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12" Polypropelyne Cone Woofer
Low cost general replacement woofer is ideal in a two way cabinets or as a compact subwoofer. It is perfect for a wide variety of home or autosound applications and is ideal for either ported or sealed enclosures.

Also available in 8ohm Version

Product Description

    General Specifications:
    • Nominal Diameter: 12 inch
    • Rated Impedance: 4Ohm
    • Operating Bandwidth: 50 ~ 4KHz (-3dB)
    • Power Handling Capacity: 120W RMS
    • Sensitivity (1W/M): 91dB (±3dB)
    • Voice Coil Diameter: 1.5 inch


    Thiele-Small Parameters:
    • Resonance Frequency Fs: 42.0Hz
    • DC Resistance Re: 3.4Ohm
    • Mechanical Q Factor Qms: 3.345
    • Electrical Q Factor Qes: 0.5324
    • Total Q Factor Qts: 0.4593
    • Equivalent Cas air load Vas: 122.6 L
    • Surface Area of Cone Sd: 0.0531 m2
    • Efficiency Bandwidth Product EBP 78
    • Voice Coil Over Hang X-max 5 mm


    Physical Information:
    • Cutout: 10.94"
    • Mounting Depth: 5.04"
    • Basket: Pressed steel chassis
    • Magnet Type: 30.0 oz.
    • Cone Material: Polypropelyne
    • Surround: Rubber
    • Dust Cap: Polypropelyne
    • Damper: Cloth

Product Reviews

  • "MCM doesn't know how to pack things" by Cole G on 9/7/2013
    Overall: 4 out of 5
    Value:
    Quality:

    The woofers are good except they're all glue construction (expected) and the surround overlaps the mounting holes. I wired 2 speakers per channel on my 100w stereo in series to get an 8 ohm load and tested them with no box and they were moving pretty well. I'm going to build a box in the next few days to see what they'll really do, and maybe put them in my car for fun. The shipping was bad. I ordered 4 of these and some speaker terminals. The 4 woofers came in cardboard boxes with no padding and were packed into a bigger carboard box just large enough to fit the 4 smaller boxes. If they had rough handled it at all there would be a fairly large chance of damaging it. My speaker terminals were packaged in a brown envelope with bubblewrap on the inside. The metal tabs on the back of the terminals are all bent and one was even poking out of the envelope when I got it. It's no huge deal, they'll straighten out, but it's annoying how bad they were packed.

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Package Specifications & Dimensions
Weight:5.4 lbs.
Hazardous:Yes
RoHS Comp:Yes
Warranty:365 days
Need to Return?
Length:12.5 in.
Width:6.75 in.
Height:12.25 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages
Catalog/Page:

MCM Cat 57, Page 158

PDF Reference
Datasheet

Requires Adobe Acrobat Reader.

Mfr. Info

MCM Audio Select Logo
Mfr. Name:MCM Audio Select
Mfr. Part Number:55-3233