Barefoot Sound MicroMain 27 Gen2 Owner's Manual
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Barefoot Sound MicroMain 27 Gen2 Owner's Manual

3.5-way active loudspeaker
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Summary of Contents for Barefoot Sound MicroMain 27 Gen2

  • Page 1 Owner’s Manual...

  • Page 2: Table Of Contents

    Contents page Description Warnings! (please read carefully) Inputs and Controls Connections Startup Signal Flow Diagram Protection Positioning MEME™ Voicing Force Cancelation Maintenance Handle Attachment Frequency Response Specifications Drawings Warranty Appendix : Stand Mounting 1. Description The MicroMain27 Gen2 is a 3.5-way active loudspeaker capable of nearfield, mid-field and far-field operation. The five drive units are all housed in sealed enclosures.

  • Page 3: Warnings! (Please Read Carefully)

    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

    3. Inputs and Controls 1. [INPUT] Toggle switch selects between the analog (A) and digital (D) inputs. 2. [ANLG] XLR connector is designed to receive analog balanced line level audio signal from sources such as preamplifiers, sound cards, monitor controllers and mixing consoles. Pin 1 is tied to chas- sis ground.

  • Page 5: Connections

    4. Connections Analog: Digital: Analog Source AES3 Source AES/EBU Splitter * See Section 9 for Voice connection details. 5. Startup 1. Verify that the AC Voltage select switch on the rear panel is in the correct position for the AC voltage in your facility (see warnings on pervious page for details) then plug in grounded mains power cable.

  • Page 7: Protection

    7. Protection Limiters Peak Limiter The Subwoofer, Midbass and Tweeter channels have individual Peak Limiters designed to protect each driver from high amplitude, short duration audio input signal spikes that might cause damage due to over excursion of the voice coil. These limiters are implemented digitally within the DSP in such a man- ner that they have zero effect on the audio signal below their thresholds.
  • Page 8 Example: Symmetrical stereo arrangements. BAREFOOT BAREFOOT text text Cooling While the Hypex amplifier modules that drive the MicroMain27 Gen2 are a very efficient, the speaker still generates a significant amount of heat that must be dissipated. This heat is transmitted to the air via the rear amplifier plate, heat sink and the subwoofer cones.

  • Page 9: Meme™ Voicing

    9. MEME™ (Multi Emphasis Monitor Emulation) With the MM27 GEN2, you can box up your secondary reference monitors for good. Despite the advantages of high-resolution monitors, many engineers still rely on their NS10s and mix cubes as secondary references. These speakers have long traditions and people find them familiar and useful for focusing in on certain aspects of their mix.

  • Page 10: Force Cancelation

    MEME™ Voice Selector Connection: The MEME™ Voice Selector switch box is connected to the Voice jack of the speaker via any standard 3.5 mm stereo phone cable. The included 6-way splitter can be used to control the Voice Emulation of up to 5 speakers. Furthermore, the input impedance of the Voice jack is very high.

  • 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 13: Frequency Response

    14. Specifications Analog Input XLR female, Pin 1 ground, Pin 2 positive, Pin 3 negative Input Impedance = 100k Ohms Input Sensitivity (1m) = 90 dB @ -18 dBV (pass band) Analog to Digital Word Length: 24 bit Conversion Sample Rate: 192 kHz Oversampling = 128x Signal/Noise ≥...

  • Page 15: 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 16: Appendix : Stand Mounting

    Appendix: Sound Anchors Stand Vertical Mounting Procedure Note: There are two variants of Sound Anchor stands designed for the MM27. Earlier models have 1” thick tubular steel mounting brackets. These require 2” long 5/16”-18 screws to fit the MM27 Gen2. Newer Sound Anchor stands have 0.5”...
  • Page 18 Barefoot Sound LLC http://barefootsound.com 2013...

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