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The Model 348 Intercom Station provides eight independent talk and listen channels that are compatible with Dante® audio-over-Ethernet networks. The desktop unit is designed to serve as an audio control center for production and support personnel in numerous applications including on-air television sports and news broadcasting, live events, theater, industrial, and corporate AV. The Model 348's channels can be part of virtual "party-lines" created with other compatible devices or be used directly in point-to-point intercom implementations. The range of resources makes it simple to use the Model 348 locally, or as part of a REMI or "At-Home" geographically diverse implementation. In addition to intercom applications, the unit can create multiple independent IFB (talent cue) channels. Other applications may benefit from the Model 348 user's ability to easily create monitor mixes from the eight input audio channels. This makes the unit a viable choice for listen-only scenarios.
For further details please see the attached data sheet.
We offer a 3 year warranty on this product from its date of purchase. For more information regarding our support, repair and warranty, please download our Warranty Guide here.
Applications: Dante-based intercom, IFB (interrupted foldback) master station, audio monitor mixer, specialized tone generator
Power Sources:Power-over-Ethernet (PoE): class 0 (classification unimplemented, ≤12.94 watts) per IEEE® 802.3afExternal: 10 to 18 volts DC, 0.65 A maximum at 10 volts DC (can be powered by optional PS-DC-02)
Network Audio Technology:Type: Dante audio-over-EthernetAES67-2013 Support: yes, selectable on/offDante Domain Manager (DDM) Support: yesEthernet Interface Configuration: Switched or RedundantBit Depth: 16, 24, or 32Sample Rate: 48 kHzDante Receiver (Input) Channels: 16Dante Transmitter (Output) Channels: 11Dante Audio Flows: 32; 16 transmitter, 16 receiverInternal Digital Audio Processing: 32-bit, fixedInput-to-Output Audio Processing Latency: <200 uSecNominal Input and Output Level: –20 dBFS
Network Interfaces: 2, Primary-PoE and SecondaryType: 1000BASE-T (Gigabit Ethernet (“GigE”)) per IEEE 802.3ab (10 and 100 Mb/s not supported)Power-over-Ethernet (PoE): per IEEE 802.3af (applicable to Primary-PoE network only)
Microphone Input – Headset:Compatibility – Headset A: single- or dual-ear broadcast-style with dynamic or electret (low-voltage DC-powered) microphone: pin 1 mic common; pin 2 mic; pin 3 phones common; pin 4 phones left; pin 5 phones rightCompatibility – Headset B: CTIA™/AHJ configuration (typically uses electret powered mic): tip phones left; ring 1 phones right; ring 2 common; sleeve micType: unbalancedImpedance: 1 k ohms, nominal, microphone power off; 690 ohms, nominal, microphone power onGain: 26, 32, 38, 44, 50 dB, selectableFrequency Response: –4 dB at 30 Hz, –2.6 dB at 40 Hz, –1.8 dB at 50 Hz, –2.4 dB at 10 kHz, –3.8 dB at 20 kHzDistortion (THD+N): <0.09%, measured at –20 dBFS, 22 Hz to 22 kHz bandwidth, 38 dB of gainDynamic Range: >93 dB, A-weighted, 26 dB gain
Microphone Input – Gooseneck:Compatibility: Studio Technologies' GME-3-12Microphone Power: 5 volts DC via 4.99 k resistorImpedance: 3.3 k ohms, nominalGain: 12, 18, 24, 30, 36 dB, selectableFrequency Response: –3.0 dB at 40 Hz, –2.0 dB at 50 Hz, –2.0 dB at 16 kHz, –3.0 dB at 20 kHzDistortion (THD+N): <0.04%, measured at –20 dBFS, 22 Hz to 22 kHz bandwidth, 36 dB of gainDynamic Range: >97 dB, A-weighted, 12 dB gain
Compressor:Application: applies to headset and gooseneck microphone audioThreshold: 1 dB above nominal Dante output level (–19 dBFS)Slope: 2:1Status LED: compressor active
Headset Headphone Output:Type: 2-channel (stereo)Compatibility: intended for connection to stereo (dual-channel) or monaural (single-channel) headsets with a nominal impedance of 50 ohms or greaterMaximum Output Voltage: 3.0 Vrms, 1 kHz, 150 ohm loadFrequency Response: 20 Hz to 20 kHz, +0/–1 dBDistortion (THD+N): <0.02%Dynamic Range: >93 dB
Speaker Monitor Output:Type: single-channel (monaural)Speaker: 1.3-inch (32 mm) diameterMaximum Power: 4 watts RMS, nominalFrequency Response: 150 Hz to 20 kHz, ±3 dB
18 kHz and 20 kHz Tone Outputs:Type: sine waveLevel: –20 dBFSFrequency Accuracy: <10 ppmDistortion: <0.0001%
Call Function:Receive Frequency: 20 kHz, ±800 Hz, within audio channelReceive Level: –27 dBFS minimumSend Frequency: 20 kHzSend Level: –20 dBFSAudible Alert: 3-burst sequence, 524 Hz, sine wave, selectable level range
Connectors:Headset A: 5-pin female XLRHeadset B: 3.5 mm 4-conductor TRRS jack, per Japanese standard JEITA/EIAJ RC-5325AGooseneck Microphone: ¼-inch 3-conductor with 7/16-20 UNF threaded bushing; 4-40 hex head socket set screw allows microphone to be secured into bushingEthernet: 2, Neutrik NE8FBH etherCON RJ45 receptaclesExternal DC: 4-pin male XLR (pin 1 negative, pin 4 positive)USB: type A receptacle (used only for updating firmware)
Configuration: requires Studio Technologies' STcontroller software application, version 2.06.00 and later
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-condensingAltitude: not characterized
Spare Connector Location: 1Allows a Studio Technologies' cable assembly or option module to be installed. Also compatible with Neutrik NC*D-L-1 connectors (*=3F, 3M, 5M, 6F, 6FS, etc.).
Dimensions (Overall):6.5 inches wide (16.5 cm)2.9 inches high (7.4 cm)4.9 inches deep (12.5 cm)
Deployment: intended for tabletop applications
Weight: 2.1 pounds (0.95 kg)
Specifications and information contained in this User Guide subject to change without notice.