| Power Source | ・Power-over-Ethernet (PoE): class 1 (very low power, ≤6.49 watts) |
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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: 44.1,48, 88.2, and 96 kHz
・Number of Transmitter (Output) Channels: 2
・Description of Transmitter Channels: main (pre- or post-compressor, selectable), talkback (post-compressor)
・Number of Receiver (Input) Channels: 2
・Description of Receiver Channels: headphone channel 1 and headphone channel 2
・Dante Audio Flows: 4; 2 transmitter, 2 receiver |
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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 10000 Mb/s "GigE" Ethernet not supported) |
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| Microphone Input
| ・Compatibility: dynamic or phantom-powered microphones
・Type: balanced, capacitive coupled
・Impedance: 2.8 k ohms, nominal
・Gain: 36, 42, 48, 54, and 60 dB, selectable
・Frequency Response: 30 Hz to 20 kHz, -3 dB at 30 Hz, -0.6 dB at 20 kHz
・Distortion (THD+N): <0.020%, 1 kHz, 36 dB gain, -32 dBu input level
・Dynamic Range: 96 dB, A-weighted
・Phantom Power: P48 per IEC 61938 standard, on/off selectable with status LED |
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| Compressor | ・Application: always used for Dante talkback audio output channel, can be used for Dante main output channel
・Threshold: 1 dB above nominal level (-19 dBFS)
・Slope: 2:1
・Status LED: compressor active |
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| Headphone Output | ・Type: 2-channel
・Compatibility: intended for connection to stereo (dual-channel) or mono (single-channel) headphones, headsets or earpieces with nominal
・impedance of 50 ohms or greater
・Maximum Output Voltage: 3.1 Vrms, 1 kHz, 150-ohm load
・Frequency Response: 20 Hz to 20 kHz, +0/-1 dB
・Distortion (THD+N): 0.001%, +10 dBu output, 150-ohm load
・Dynamic Range: >102 dB
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| Connectors | ・Microphone Input: 3-pin female XLR
・Headphone Output: ¼-inch 3-conductor jack
・Ethernet: Neutrik etherCON RJ45
・USB: type A receptacle (located inside Model 381's enclosure and used only for updating firmware)
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| Configuration | ・uses Studio Technologies' STcontroller personal computer application, version 1.08.00 and later |
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| Environmental | ・Operating Temperature: 0 to 50 degrees C (32 to 122 degrees F)
・Storage Temperature: -40 to 70 degrees C (-40 to 158 degrees F)
・Humidity: 0 to 95%, non-condensing
・Altitude: not characterized
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| Dimensions (Overall) | ・3.1 inches wide (7.9 cm)
・1.5 inches high (4.0 cm) w/out belt clip; 1.8 inches (4.6 cm) with belt clip
・4.9 inches deep (12.5 cm)
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| Deployment
| ・intended for portable applications; contains integral belt clip |
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| Weight | ・0.5 pounds (0.23 kg) |
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