Specifications
Functional Specifications
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Powerful, efficient Class-D Amplifier
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Number of zones: 6 for the Juke-6 (12 channels), and 8 for the Juke-8 (16 channels)
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For applications requiring more than 8 zones, multiple Jukes work together automatically (e.g. a Juke-6 and a Juke-8 will appear on the network as if they were a single device with 4 sources and 14 zones)
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Number of devices that can play simultaneously: 4
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Number of users: unlimited
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Wireless input types: Airplay (e.g. from iPhones, iPods, iPads and Macs) and Spotify Connect, implemented using robust open-source libraries
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Easy-to-use Web interface that behaves just like an app but without the need to install anything
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Stream audio to any combination of zones simultaneously
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Analog inputs: up to two line-level analog stereo sources using optional USB interfaces (sold separately)
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Can be connected to surround-sound amplifiers, also using an optional USB interface (sold separately)
Installation Overview
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Once ceiling, wall or other speakers are installed in your home or building, simply connect the wires to Juke’s terminals and connect Juke to your network
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Installation typically takes 30 minutes or less and requires no special knowledge or training
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Administrator login allows naming of your zones (e.g. kitchen, living room, master bedroom, etc.), setting relative zone volumes, etc.
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If you have a room with a surround-sound system, Juke can work with it: follow our instructions so that both systems can play the same audio
User Interface
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Play audio directly from any app (e.g. Apple Music, Spotify, SoundCloud, Amazon Music, Pandora, Podcasts, YouTube, Spectrum TV, DirecTV, web pages, etc.)
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Stream to Juke via Wi-Fi
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Click the locations you want
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Control the volume with the volume controls on your device just like you always do
TECHNICAL SPECIFICATIONS
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Dimensions: 15” wide by 8” deep by 3” tall
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Weight: approximately 6 lbs.
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Available with optional rack ears to allow mounting in 19” equipment racks
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Maximum ambient temperature: 40 degrees C.
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Internal Power Supply
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Voltage input range: 90 to 264 VAC, 127 to 370 VDC
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Safety standards: UL60950-1,TUV EN60950-1, CCC GB4943, EAC TP TC 004 approved
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Efficiency: up to 95% efficient
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Surge withstand: 300 Vac for 5 seconds
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External Power Requirement: 600W maximum
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Speaker Connections
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Speaker impedance: 2 Ohms to 8 Ohms
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Multiple speakers can be connected in parallel as long as the effective impedance is greater than 2 Ohms (e.g. one zone could have 3 left speakers and 3 right speakers if each speaker is 8 Ohms)
- Speaker wires:
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Accepts 12 to 22 gauge wires
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Stripping length: approximately 0.25 to 0.3”
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Attach by tightening screws
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4 pluggable 8-position terminal blocks with 0.2” spacing
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Flammability rating according to UL 94 V0
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V(ESD) Electrostatic Discharge:
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Human-body model (HBM), per AEC Q100–002: ±3000V
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Charged-device model (CDM), per AEC Q100–011: ±500V
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Protective Functions
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Output current limiting, output short-circuit protection, over-temperature, under-voltage and over-voltage
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Amplifier Power Output:
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40W peak per channel (80 W peak per zone). RMS power: 20W per channel (40W per zone)
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Aggregate output power of zones operated simultaneously: ~400W peak
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Network connections
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Ethernet via an RJ-45 connector, or
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Wi-Fi using WPA2. Note: Juke should be within 10 to 15 feet of an access point, otherwise we recommend using a TP-Link N300 and connecting Juke to its Ethernet port
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Internal Computer
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Lots of horsepower for future firmware feature additions
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Processor: Quad Core, 1.2 GHz
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1 GB of RAM
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Firmware
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FLASH based
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Upgrades are provided OTA (over the air)
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LIMITATIONS
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We designed Juke to do one thing really well and really inexpensively: provide great audio throughout a home or building primarily from Apple or Spotify-Connect devices that stream wirelessly
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Except for Spotify, support for Android and other operating systems currently requires third-party software applications (e.g. DoubleTwist Pro, AirMusic) or third-party hardware piece (audiocast) that allow these devices to stream from popular platforms like iHeartRadio, Pandora, Amazon Music, etc.
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Juke has no analog inputs, although it does support inexpensive third-party USB interfaces that provide them
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It is not a surround-sound amplifier, although it can be configured to work with them to provide simultaneous audio in theater rooms and any combination of other rooms
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Juke doesn’t control home automation or lighting control systems, but does have a protocol available to developers so it can be controlled by third-party home automation systems
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Bottom line: our philosophy is “Sound Made Simple.” Ease of use is more important than bells and whistles. We think you’ll love it!