MCM Electronics

5'' Open Frame MidrangeMCM Part #: 54-310  |  MCM Audio Select Part #: 54-310

5'' Open Frame Midrange 4.8 stars from 2 reviews.
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5" Open Back Midrange
Poly treated paper cone midrange is perfect in a variety of home or pro sound three-way speaker applications, as well as use in a multi-driver automotive system. Open frame design allows extended low frequency response.

Product Description

  • Poly treated paper cone
  • Foam surround
  • Stamped steel basket
  • 1" voice coil
  • 13.3oz. magnet
  • Frequency response: 100Hz ~ 10KHz
  • Impedance: 8ohm
  • Re: 7.0ohm
  • Power handling: RMS/peak 50W/70W
  • Sensitivity SPL 1W/1 meter: 93dB
  • Fs: 104Hz
  • Qts: 0.85
  • Qes: 1.11
  • Qms: 3.6
  • Vas: 3.48(l)
  • Sd: 0.0072m2
  • Xmax: 1.0mm

Product Reviews

  • "These were exactly what I needed" by greywolf0723 on 10/4/2014
    Overall: 5 out of 5

    I purchased two of these to replace a pair that were old and worn out. Based on the cutout, these fit the dimensions as they were described perfectly. The frequency response is excellent, and the sound is clear. Each of these are in a box with a 1" tweeter and a 15" woofer (also purchased from MCM) in a 3/4" oak plywood box. There are no gaps in the frequency, and good overlap between the speakers in this system. These combine sensitivity with power handling very well, a great value for the price, and perform like a speaker that would cost ten times more. I will definitely buy these again for future projects.

  • "Sound good, good price." by Winman99 on 12/23/2011
    Overall: 4.5 out of 5
    Top 25 Contributor

    I have a set of Wharfdale E-50s that had the foam surrounds separate from the cones on the mids. Due to their design (wire screen permanently glued over the speaker), re-foaming was not an option. I wasn't expecting anything great out of these, but the specs were close enough, and I've had good experiences with other inexpensive speakers from MCM, so I gave them a try. They match the Wharfdales quite well sound wise. Plenty of sound from the mids, not to much, not too little. I cranked them up a bit using my Vintage 40 WPC Yamaha amp, and they sounded good, even when I had the amp pumping out about its max rated WPC (about 1/2 volume). They were a perfect fit, including the holes for the mounting screws. My only issue is that my grills are mesh see-through, and these aren't pretty like the originals.

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Package Specifications & Dimensions
Weight:2.184 lbs.
RoHS Comp:Yes
Warranty:90 days
Need to Return?
Length:5.5 in.
Width:5.5 in.
Height:3 in.
Shipping Information
Extra Shipping Charge:No
Drop Ship:No
Catalog Pages

MCM Cat 57, Page 171

MCM Cat 56, Page 298

PDF Reference

Requires Adobe Acrobat Reader.

Mfr. Info

MCM Audio Select Logo
Mfr. Name:MCM Audio Select
Mfr. Part Number:54-310
Save at least 15% on all Tenma Test Equipment through Sunday. Use promo code EMC396.
Save at least 15% on all Tenma Test Equipment through Sunday. Use promo code EMC396.