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Micca Electronics

Micca MB42X Bookshelf Speakers

The Micca MB42X builds on the success of the sensational MB42 by significantly raising the performance bar while still taking up very little space and budget. Handsomely styled with classic contours and updated design cues, the MB42X is easy to place and blends into any room or decor. Its enhanced tonal balance and clarity makes it a great fit with a wide range of usage scenarios, from background music to home theater.

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The Micca MB42X builds on the success of the sensational MB42 by significantly raising the performance bar while still taking up very little space and budget. Handsomely styled with classic contours and updated design cues, the MB42X is easy to place and blends into any room or decor. Its enhanced tonal balance and clarity makes it a great fit with a wide range of usage scenarios, from background music to home theater.

The MB42X starts with the solid credentials of the MB42: a compact ported enclosure housing a balanced woven carbon fiber woofer delivering enhanced transient and impactful bass, and a high performance silk dome tweeter for smooth treble and accurate imaging. Additionally, the MB42X utilizes a highly optimized 9-element crossover with full 18dB/octave* alignment and compensation network. The result of painstaking fine tuning through balanced application of science and art, the crossover yields a transformed sound signature that is incredibly open, balanced, and dynamic. Along with full size 5-way speaker wire binding posts and hex fasteners, the MB42X has a magnetic grill system for added sophistication.

The MB42X combines the trifecta of solid drivers, advanced crossover design, and optimized enclosure tuning at a shockingly low price. Try them risk free in your home with your music. Place the MB42X along a wall or near a corner of the room for best results. They can be used on desks, book/wall shelves, or on speaker stands. If you are not absolutely delighted with the MB42X’s performance, simply return them for a refund.

* 18dB/Octave crossover for MKIII revision, 12dB/Octave for original and MKII revisions.

Feature Highlights:

  • Balanced woven carbon fiber woofer for enhanced transient and impactful bass
  • High performance silk dome tweeter for smooth treble and accurate imaging
  • Highly optimized 9-element crossover with full 18dB/octave* alignment and compensation network
  • Ported enclosure delivers extended bass response with low distortion
  • Dramatically transformed sound signature that is incredibly open, balanced, and dynamic

Ideal For:

  • Personal stereo system, such as office, bedroom, or dedicated 2-channel stereo.
  • TV sound and light duty home theater use.

Specifications:

  • Woofer: 4″ Carbon Fiber, Rubber Surround
  • Tweeter: 0.75″ Silk Dome
  • Crossover: 18dB/Octave*
  • Enclosure: Ported
  • Frequency Response: 60Hz-20kHz
  • Impedance: 4-8 Ohms
  • Sensitivity: 85dB 1W/1M
  • Power Handling: 75 Watts (Each)
  • Dimensions: 9.5″ (H) x 5.8″ (W) x 6.5″ (D)

User’s Manual:

icon-pdf-small Micca MB42X (MKIII) User’s Manual (opens in a new tab/window)

icon-pdf-small Micca MB42X (Original and MKII) User’s Manual (opens in a new tab/window)

Home Speakers

Why is the impedance 4-8 Ohms? Will it work with my receiver?

Micca is one of the few manufacturers that specifies the impedance of its speakers as a range, rather than a fixed nominal value. The impedance of a speaker varies depending on the frequency being played, and it is normal for most 8ohm rated speakers have impedance that dip as low as 4ohms or even lower.

While the Micca speakers work just fine with most amplifiers and receivers rated for speakers designed to handle 6ohm or 8ohm speakers, the 4-8ohm rating is a reminder to users that these speakers do have impedance that go down to as low as 4ohms and care should be taken with the listening volume so as not to damage the amplifier or speakers. Please observe the following precautions:

  • Do not play the speakers at a volume where there is audible distortion
  • If the amplifier’s output protection is triggered, immediately discontinue use
  • Ensure that the amplifier has plenty of ventilation and is not in an enclosed space
  • If the amplifier has a “4Ohm” or “High Current” mode, enable it

Posted in: Micca MB42, Micca MB42-C, Micca MB42X, Micca MB42X-C

Different versions of Micca MB42X and MB42X-C: Original, MKII, MKIII

At Micca, we continuously look for ways to improve our products for better performance, quality, and value. Since introduction, MB42X and MB42X-C speakers have undergone evolutionary updates as described below:

Original Release – Based on MB42, with the following differences

  • 8-element 12dB/Octave crossover upgrade
  • Matte black vinyl
  • Magnetic grill system.

MKII – Serial numbers start with “MB42XMKII” or “MB42XCMKII”.

  • Slight adjustments to woofer and tweeter response characteristics
  • Flared plastic port tube (MB42X only)
  • Additional internal bracing at four side enclosure walls
  • Poly fill stuffing added

MKIII – Serial numbers start with “MB42X3” or “MB42XC3”

  • 9-element 18dB/Octave crossover
  • Tighter driver response tolerance

MKIII crossovers are backwards compatible with all previous versions and provides the following benefits:

  • Steeper slopes for reduced distortion and acoustic lobing
  • Adjusted roll off frequency for improved phase integration
  • Updated driver level matching to result in overall smoother response

Posted in: Micca MB42X, Micca MB42X-C

Micca MS10/MS12 Subwoofer No Sound

There have been a small number of Micca MS10 and MS12 subwoofers that does not play sound when received by the customer. The symptom is that the subwoofer turns on, the power light turns blue, but there is no sound. The cause of this is that an internal subwoofer connector has come loose during shipping and need to be plugged back in. If your subwoofer has this behavior, please follow the steps below to check if it applies to you. Please read the instructions carefully and if you are not comfortable doing any of the steps, please contact our support and we will exchange the subwoofer for you. The steps here are to save you the trouble of boxing up the subwoofer and returning it.

VERY IMPORTANT: Unplug subwoofer from AC power and wait 30 seconds!

Step 1: Remove all audio connections.

Step 2: Use a philips screw driver, remove the 12 screws along the border of the metal amplifier plate on the back of the subwoofer.

Step 3: Tilt the amplifier out and check if the connector at the circled location below has come loose. Reconnect the connector if necessary. Note that the red wire is to the left, and black wire to the right

Step 4: Reinstall the plate amplifier, hand tighten all 12 screws along the border of the metal amplifier plate.

Step 5: Reconnect audio connections, and plug the subwoofer back into AC power. The subwoofer should now be working correctly. If you continue to experience issues, please contact email support@miccatron.com and we will provide additional assistance.

Posted in: Micca MS10, MS12

Micca MB42 vs MB42X, What’s the difference?

When it comes to the MB42 vs MB42X decision, it’s important to understand the similarities and differences between these two speakers. We hope this guide is helpful in making the right purchase choice.

Similarties

The MB42 and MB42X uses the same drivers, consisting of a 4-inch carbon fiber woofer, and 0.75-inch silk dome tweeter. Both use the same size enclosure and the same tuning frequency. With their grills on, it is difficult to tell them apart visually from a few feet away.

Differences

Even though the MB42 and MB42X share the same drivers and enclosure design, the MB42X represents a sizable upgrade in terms of audio performance. The most significant improvement offered by the MB42X over the MB42 is the inclusion of a 9-element crossover network. This crossover significantly improves the tonal balance and clarity of the speaker and is what’s responsible for the MB42X being such a favorite among hi-fi enthusiasts. There are also other improvements included in the MB42X, such as a flared port tube and a magnetic grill system. Lastly there is the cosmetic difference of a matte black finish on the MB42X, versus the black faux wood grain on the MB42.

The table below contains the differences between the MB42 and MB42X.

WP DataTables

Posted in: Micca MB42, Micca MB42X

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