| Power Source: | ・Power-over-Ethernet (PoE): class 1 (very low power, ≤3.84 watts) per IEEE® 802.3af |
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| Network Audio Technology: | ・Type: Dante audio-over-Ethernet
・AES67-2013 Support: yes
・Dante Domain Manager (DDM) Support: yes
・Bit Depth: up to 24
・Sample Rate: 48 kHz
・Dante Receiver (Input) Channels: 2
・Dante Receiver (Input) Nominal Level: –20 dBFS |
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| Network Interface: | ・Type: 100BASE-TX, twisted-pair Ethernet, Power-over-Ethernet (PoE) supported
・Data Rate: 100 Mb/s (10 Mb/s and 1000 Mb/s GigE Ethernet not supported) |
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| Call Activation: | ・Method: in-band tone, receiver channel 1, receiver channel 2, or receiver channel 1 and 2, selectable
・Tone Characteristics: 18-23 kHz, nominal
・Minimum Level: –25 dBFS, nominal
・Detect Time: 10 milliseconds, minimum |
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| Visual Alert: | ・Type: qty 5, red/green/blue (RGB) LEDs
・Color: adjustable (choices include standard colors and operating system color picker)
・Intensity: adjustable
・Action: adjustable |
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| Audio Alert: | ・Type: electromagnetic sounder
・Action: adjustable
・Frequency: 2.7 kHz, nominal, square wave
・Level: adjustable, 2 level ranges
・Maximum Level: 85 dB SPL @ 3.9 inches (10 cm)
・Action: adjustable |
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| Line Output: | ・Type: analog, electronically balanced, capacitor coupled, intended to drive balanced or unbalanced loads of 2 k ohms or greater
・Source Impedance: 200 ohms
・Nominal Level: 0 dBu, reference –20 dBFS
・Maximum Level: +20 dBu, 0 dBFS input, measured at 1 kHz
・Dynamic Range: >106 dB, A-weighted
・Distortion (THDS+N): 0.0011% (–99 dB), measured at –1 dBFS, 22 kHz bandwidth
・Frequency Response: +0/–1.5 dB, 20 Hz to 20 kHz
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| Connectors: | ・Line Output: 3-pin male XLR
・Ethernet: Neutrik etherCON RJ45
・USB: type A receptacle (located inside Model 391's enclosure and used only for updating firmware) |
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| Configuration: | ・requires Studio Technologies' STcontroller personal computer application, version 1.07.00 and later
(STcontroller compatible with Windows version 7 and later) |
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| Dimensions (Overall): | ・3.4 inches wide (8.6 cm)
・3.5 inches high (8.9 cm)
・5.1 inches deep (13.0 cm) |
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| Mounting Options: | ・intended for tabletop applications; optional MBK-02 Mounting Bracket Kit allows Model 391 to be permanently mounted |
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| Weight: | ・1.0 pound (0.46 kg) |
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