Barefoot Sound MicroMain45 User Manual
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Barefoot Sound MicroMain45 User Manual

3-way active loudspeaker
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Summary of Contents for Barefoot Sound MicroMain45

  • Page 1 Manual...

  • Page 2: Table Of Contents

    12.0 Warranty 13.0 1.0 Description The MicroMain45 is a 3-way active loudspeaker capable of nearfield, and mid-field operation. The four drive units are all housed in sealed enclosures. The DSP controlled three-way power amplifier module can deliver 350 Watts continuously.
  • Page 3 The Mains Voltage Select switch (VAC Select) on the rear panel must be in the 230V position for AC power line voltages over 132 VAC. Connecting the power cord to AC power line voltages over 132 VAC while the VAC Select switch is in the 115V position will damage the amplifier. Such damage is NOT covered under warranty.

  • Page 4: Inputs And Controls

    The analog signal is converted to 24bit/192kHz digital audio via a precision, ultra-high-fidelity analog to digital converter section inside the MicroMain45. 2. [LEVEL] Ten position rotary switch adjusts the input level in precise increments from +3dB to –9dB. The level steps are...

  • Page 6: Protection Features

    7.0 Positioning The acoustic center of the MicroMain45 is located at the center of the tweeter. The MM45 is designed to work equally well as a nearfield or mid-field monitor. The minimum recommended listening distance is 1 meter (39.4”).
  • Page 7 Example: Symmetrical stereo arrangements.
  • Page 8 Since the MicroMain45 has such wide off-axis dispersion, the angle relative to the listener can be changed by up to 10 degrees with less than 1 dB variance in the frequency response across the audible spectrum.
  • Page 9 7.2 Vertical Orientation For center channel applications it might be desirable to stand the MicroMain45 in the vertical orientation. This orientation is acceptable, however, it does sacrifice horizontal dispersion. Section 13 shows off-axis frequency response graphs in the horizontal (13.1) and vertical (13.2) planes for the MM45 mounted in the normal horizontal orientation.

  • Page 10: Equalization

    8.0 Equalization While the FLAT setting is recommended, the MicroMain45 offers eight additional EQ contours as well as a high-pass filter for integration with a subwoofer. In order to maintain as pure of a signal path as possible, the midrange and high frequency contours are implemented with simple level adjustments to the midrange and tweeter channels.

  • Page 11: Maintenance

    Repairs, maintenance, or other servicing of this product when its interior compartment is exposed should only be performed under specific advice from Barefoot Sound by a qualified technician or by the Barefoot Service Center. There are no user-serviceable parts inside this product.

  • Page 14: Frequency Response

    11.0 Specifications Analog Input XLR female, Pin 1 ground, Pin 2 positive, Pin 3 negative Input Impedance = 20k Ohms Input Sensitivity (1m) = 90 dB @ -15 dBV (pass band) Analog to Digital Word Length: 24 bit Conversion Sample Rate: 192 kHz Oversampling = 128x Signal/Noise ≥...

  • Page 17: Warranty

    Products should be returned suitably packaged to protect from shipping damage, or in their original packaging. Barefoot Sound shall be the sole and final authority to determine the validity of all warranty issues. All non-warranty repairs for current products will be charged according to the service repair pricing schedule.
  • Page 18 Barefoot Sound LLC http://barefootsound.com 2014...

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