Barefoot Sound MicroMain 27 Gen2, Owner'S Manual

Page 1: ...Owner s Manual ...

Page 2: ... 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 The DSP controlled four way power amplifier module can deliver 500 Watts continuously The system accepts either analog or 24 bit 192 kHz digital audio signals Cutting edge MEME Multi Emphasis Monitor Emulation technology enables the MicroMain27 Gen2 ...

Page 3: ...an ungrounded mains power cable or a mains connection that is ungrounded This may result in personal injury Do not place open flames such as lighted candles on or near this device Do not expose this device to water rain or high humidity Do not place objects filled with liquids such as vases on or near this device This speaker requires adequate airflow to maintain proper cooling Do not obstruct air...

Page 4: ...arries both left and right audio signals For stereo or multiple speaker operation the monitor output sig nal must be assigned to two or more AES3 output XLRs within the DAW Otherwise a passive AES splitter or an active AES distribution amplifier is required to deliver signal from a signal from a sin gle AES output XLR Use the CHNL switch on the back of each speaker to select appropriate left or ri...

Page 5: ...als also set the Channel toggle switch to left L or right R in accordance with the speaker position 3 Ensure that the audio signal is fully attenuated AES3 signal requires digital attenuation 4 Power on the speaker with the rocker switch located on the rear panel above the mains connector The LED indicator on the front of the speaker will illuminate Red for a couple of seconds then turn Aqua 5 Tur...

Page 6: ...Midbass Sub Woofer Amplifiers DACs Limiters Sub Level Crossovers and MEME Input Level ADC 24bit 192kHz Receiver 24bit 192kHz ANLG AES3 INPUT CHNL LEVEL VOICE SUB Clip LED 6 Signal Flow Diagram MEME Voice Selector Switch ...

Page 7: ... is designed to enter into Over Current protect mode This state typi cally results from a large broadband input signal burst that flat lines the limiters on all four channels simultaneously While the fault persists the amplifier power rails shut down the speaker goes quiet and the front panel LED turns red Once the audio input signal is turned down the speaker should re boot within a few seconds I...

Page 8: ... must be dissipated This heat is transmitted to the air via the rear amplifier plate heat sink and the subwoofer cones In order to ensure proper airflow a minimum of 5 127mm clearance should be maintained between the speaker and any large obstructions An ambient temperature below 30 C 85 F should be maintained Over temperature may cause speaker to overheat and shut down BAREFOOT text BAREFOOT text...

Page 9: ...ng translation Setting has a flat frequency response and extremely fast transient response This is the default voice when the Voice Selector Switch is not connected Hi Fi While it does not emulate any one speaker in particular this setting is indicative of hi fi in the colloquial sense of the term The midrange is a bit scooped and highs are little accentu ated The bass response is altered to have ...

Page 10: ... simple Newtonian action and reaction As the driver motor magnet and voice coil forces the cone to move back and forth in order to generate sound the cone exerts an equal and opposite force on the motor This force is transmitted through the driver frame to the cabinet vibrating the cabinet walls and coloring the sound emitted by the cone This effect is most especially prevalent in the low frequenc...

Page 11: ...d by a qualified technician or by the Barefoot Service Center There are no user serviceable parts inside this product 12 Handle Attachment Each MM27 Gen2 is supplied with two handles The handles are useful for lifting and positioning the speaker The handles can also be used as base skids for mounting the speaker in the horizontal orientation Caution the handles should never be used to suspend the ...

Page 12: ...13 MicroMain27 Gen2 Frequency Response dB SPL at 1 meter free field 15 dBV input attenuator 0db 11 ...

Page 13: ... function as lateral cabinet bracing Long fiber wool acoustic damping throughout Crossover Frequencies 100 600 3000 Hz Tweeter 1 ring radiator with Advanced neodymium motor Rear waveguide chamber Amplifier 250W Hypex Midbass 1 5 25 poly paper cone with Advanced neodymium motor 5 mm linear excursion Amplifier 250W Hypex Midbass 2 5 25 poly paper cone with Advanced neodymium motor 5 mm linear excurs...

Page 14: ...13 13 Drawing ...

Page 15: ...y or unsuitable ancillary equipment accessories or options are fitted at owner s risk Barefoot Sound warrants all service repairs and replacements for 180 days from the date of return to the customer owner This warranty specifically excludes unrelated additional defects or failures Otherwise the same general provisions of the limited product warranties apply Technical Support and Service For warra...

Page 16: ...uld engage the threaded inserts and begin to pull the bracket snug against the speaker cabinet If the bolts are too long and bottom out before the bracket is snug against the speaker cabinet STOP You may have the wrong size bolts Contact Sound Anchors Barefoot info barefootsound com or your dealer for the correct size screws 2 Secure the speaker mounting bracket to the stand at desired height 3 At...

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