MCM Electronics

6 1/2'' Polypropylene Cone WooferMCM Part #: 55-1170  |  MCM Audio Select Part #: 55-1170

6 1/2'' Polypropylene Cone Woofer 4.9 stars from 5 reviews.
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6 1/2" Polypropylene Cone Woofer
Considered one of our most popular general purpose replacement drivers, this woofer offers very good power handling and low frequency response for its size.

Product Description

  • Polypropylene cone
  • Foam surround
  • Stamped steel basket
  • 1" voice coil
  • 17.7oz. magnet

  • Power Capacity: 45W/60W RMS/peak
  • Sensitivity: 90dB (W/M)
  • Impedance: 8ohm
  • Re: 6.8ohm
  • Le: 0.48mH
  • Frequency response: 40Hz~3.5KHz
  • Fs: 40Hz
  • Qts: 0.50
  • Qes: 0.67
  • Qms: 2.00
  • Vas: 30.48 (liters)
  • Xmax: 2.55mm

  • Overall frame diameter: 6.50"
  • Required cutout: 5.83"
  • Mounting depth: 2.99"

  • Product Reviews

    • "Perhaps the best speaker in the series" by wartstew on 9/10/2014
      Overall: 4.5 out of 5

      This speaker, when mounted in a properly tuned bass reflex enclosure strikes an excellent balance between providing both deep bass, reaching below 40 Hz and clear well defined mid range (with properly designed crossover that likely includes a zobel network). I've amazed a lot of people with how good these speakers sound even before I tell them how low cost this driver actually is. Their construction makes them somewhat weather resistant besides.

    • "Worked perfect in my Town Car." by sjmurphy on 11/13/2012
      Overall: 5 out of 5

      I bought this to use in the factory sub enclosure in my 1997 Lincoln Town Car with the JBL Premium sound system. The factory sub was completely blown since before I bought the car, so having some bass is a nice change since I spend a lot of time in the car. I'm actually pretty impressed with this woofer, considering its not technically a sub, it handles low frequencies quite well. It is also nearly identical to the original sub, and fit in the factory box without modification. There is a lot of misinformation out there about the JBL system, and sub failures are common, so if anyone needs a new sub in their Town Car, look no further.

    • "speaker value" by strydersInAnacortes on 3/3/2012
      Overall: 5 out of 5

      bought 2 speakers 9 years ago. One recently died. Was pleased with the quality so I bought an identical replacement.

    • "Great replacement speaker" by dandahl on 6/17/2010
      Overall: 5 out of 5

      I had a blown woofer in a 20 year old Polk Audio Studio Monitor Series speaker I wanted to get back up and running. These MCM woofers fit the specs. Note: I did have to cut the inside opening in the cabinet for the speaker by 1/8" to meet the required cut out. Covered the tweeter with masking tape and had at it. After doing that, it dropped in, I drilled some pilot holes and screwed it down. Powered it up on the stereo I couldn't believe the sound. Comparing it with the other original there was no difference. The bass was actually better with the new speaker. Now it's like new. Love it. Thanks MCM.

    • "Excellent Product" by only126db on 1/14/2010
      Overall: 5 out of 5

      I purchased 8 of these for a mobile audio system, they were installed 4 per door wired @ 2ohm stereo off a 300w x2 amplifier. The smoothness and warmth displayed by these drivers was perfect. I had friends running speakers costing 10x what mine did and they were amazed at the sound I was producing. If my current vehicle would support this same setup I would hands down do it again.

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    Package Specifications & Dimensions
    Weight:2.714 lbs.
    RoHS Comp:Yes
    Warranty:90 days
    Need to Return?
    Length:7.25 in.
    Width:7.25 in.
    Height:3.75 in.
    Shipping Information
    Extra Shipping Charge:No
    Drop Ship:No
    Catalog Pages

    MCM Cat 57, Page 165

    MCM Cat 56, Page 292

    Mfr. Info

    MCM Audio Select Logo
    Mfr. Name:MCM Audio Select
    Mfr. Part Number:55-1170