Barefoot Sound MiniMain12 Owner's Manual

Text of Barefoot Sound MiniMain12 User Guide:

• Barefoot Sound MiniMain12, Contents page Warnings! (please read carefully) 02 Description 03 Startup 03 Inputs and Controls 04 Signal Flow Diagram 05 Protection 06 Positioning 06 Voice Emulation 08 Force Cancelation 09 Specifications 10 Maintenance 11 Drawings 12 Warranty 14 Handle Attachment 14 1

• Warnings! 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. AC Voltage Select Switch

• Barefoot Sound MiniMain12, 1. Description The MiniMain12 is a four-way active loudspeaker capable of nearfield, mid-field and far-field operation. The seven drive units are all housed in sealed enclosures. The DSP controlled four-way power amplifier module can deliver 1200 Watts continuously. The system accepts either analog or 24 bit/192 kHz digital audio signals. Cutting edge Speaker Emulation technology enable the MiniMain12 to mimic frequency, phase, and transient responses, dynamic compression and distortion signature of classic studio monitors. 3 2. Startup 1. Verify that AC Volta

• Barefoot Sound MiniMain12, 4 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. Pins 2 & 3 are fully floating differential inputs. Pin 3 must be referenced to ground for single ended input signals. The analog signal is converted to 24bit/192kHz digital audio via a preci- sion, ultra-high-fidelity analog to digital converter section inside the MiniMain12. 3. [AES3] XLR connector is designed to receive digital AES3 standard audio s

• 5 Tweeter Midrange Woofer Sub Woofer Amplifiers DACs Limiters Sub Level Crossovers and Voice Emulation Input Level ADC 24bit/192kHz Receiver 24bit/192kHz ANLG AES3 INPUT CHNL LEVEL VOICE SUB Clip LED 4. Signal Flow Diagram Voice Selector Switch

• Barefoot Sound MiniMain12, 6 5. Protection Limiters Peak Limiter The Subwoofer, Woofer, Midrange and Tweeter channels have individual Peak Limiters designed to pro- tect each driver from large, 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. The front LED indicator light will flash RED when a Peak Limiter on any of the driver channels is triggered. The duration of such events is only a fr

• Barefoot Sound MiniMain12, 7 Example: Symmetrical stereo arrangements. Cooling While the Hypex amplifier modules that drive the MiniMain12 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 driver 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 maintai

• Barefoot Sound MiniMain12, 7. Voice Emulation With the MM12, you can box up your secondary reference monitors for good. Despite the advantages of high- resolution monitors, many engineers still rely on their NS-10s and Auratones as secondary references. These speakers have long traditions and people find them familiar and useful for focusing in on certain aspects of their mix. However, it's also a fact that crowding your console with those extra boxes degrades the sound field of the primary reference monitors. Not to mention, they are no longer manufactur

• Barefoot Sound MiniMain12, 9 Voice Selector Connection: The 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. However, the input impedance of the Voice jack is very high. So, additional splitters can be daisy chained in order to control virtually any number of speakers. Caveat: Plugging the speaker into different mains outlets can potentially cause erratic behavior in the Voice control. The sa

• Barefoot Sound MiniMain12, 8. 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 Conversion Word Length: 24 bit Sample Rate: 192 kHz Oversampling = 128x Signal/Noise ≥ 125 dB Digital Input XLR female AES/EBU (AES3 standard) Input Impedance = 110 Ohms Word Length: 16,18, 20 or 24 bit Sample Rate: 32 kHz to 192 kHz Signal/Noise ≥ 133 dB Frequency Response 20 Hz - 45 kHz (+/- 3 dB ), 28 Hz - 4

• Barefoot Sound MiniMain12, 11 MiniMain12 Frequency Response: dB SPL at 1 meter, free field, -15 dBV input (attenuator = 0db) 9. Maintenance Products may be cleaned using a non-abrasive cloth lightly damped with water. Disconnect the mains power ca- ble when cleaning to avoid risk of electric shock. Do not use alcohol-based cleaners. Repairs, maintenance, or other servicing of this product when its interior compartment is exposed should only be performed under specific advice of Barefoot Sound by a qualified technici

• 14 10. Warranty This product is under limited warranty as described in the following conditions. The warranty period commences on the date of purchase from the authorized dealer. Barefoot Sound reserves the right to request your original purchase receipt as proof of the date of purchase. The warranty follows the product and is transferable to any subsequent owner(s)

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