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Studio Technologies Model 5204 Dual Line Input to Dante Interface

Product Code: ST-M5204

Key Features

The Model 5204 Interface is a general-purpose audio device that supports applications utilizing the Dante™ Audio-over-Ethernet media networking technology. Two 2-channel ("stereo") analog line-level audio signals can be connected to the Model 5204 and then converted to two channels on an associated Dante connection.

Analog audio signals connect to line input A by way of a 3-conductor ("stereo") 3.5 mm jack. This allows the direct interfacing of signals from a variety of sources such as personal audio and multimedia players, smartphones, and personal computers. These signals typically have an average (nominal) signal level in the range of –20 to –10 dBu. Line input B supports connection of balanced analog audio signals using two XLR connectors. Average signal levels for these types of signals are typically in the range of 0 to 4 dBu. Each input has an associated dual-channel rotary level control to optimise its audio performance.

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Studio Technologies Model 5204 Dual Line Input to Dante Interface

Applications

The Model 5204 is perfect for use in conjunction with a variety of fixed and portable audio equipment that offer analog output signals. An obvious application is with legacy equipment that only offers analog outputs. A few simple connections are all that's required to covert those signals into the world of Audio-over-Ethernet. When deploying, maintaining, or modifying Dante networks the unit can be a useful test tool, offering a simple, high-quality means of creating a 2-channel signal source. For permanent applications there's no reason why a Model 5204 can't reside within an equipment rack or be mounted, using optional brackets, underneath a table or on-air studio set. In a conference room setting the unit can be permanently connected to a PoE-enabled Ethernet port, ready to accept a signal source from various user-provided devices.

 

Line Input A

Using a 3-conductor ("stereo") 3.5 mm jack, it's a simple matter to connect unbalanced sources to the Model 5204's line input A. These signals would typically be provided by personal computers, smartphones, or personal audio devices which have average (nominal) levels in the range of –20 to –10 dBu. One rotary control is used to adjust the input level, making it a simple task to optimise the conversion of the input analog audio source to the Dante output. The level knob is a push-in/push-out type which helps prevent inadvertent adjustment.

Line Input B

The Model 5204's line input B is designed for use with professional line-level analog audio signals. The 2-channel input is electronically balanced, capacitor-coupled, and uses two standard 3-pin female XLR connectors. A single rotary level control allows the input sensitivity of both channels to be adjusted. Using the push-in/push-out knob it's a simple matter to adjust the input circuitry to match average (nominal) signal levels which would typically be in the range of 0 to 4 dBu. And with a maximum input level of 24 dBu there will always be sufficient headroom for "pro" audio performance. Protection components in the input circuitry help ensure reliability in tough field applications.

Summing (Mixing) of the Input Signals

The two channels associated with line input A and the two channels associated with line input B are mixed (summed), sent to analog-to-digital conversion circuitry, and then transmitted over the Dante network. The two signals associated with the channel 1 (or "left") inputs are combined and sent out Dante channel 1. The two signals associated with the channel 2 (or "right") inputs are combined and sent out Dante channel 2. (There is no provision for creating a monaural signal which is typically not an issue as other connected Dante-enabled equipment can usually perform such tasks.)

Metering

Two 7-step LED metres provide a real-time level indication of the two audio output channels. Scaled in dBFS (decibels referenced to full scale digital) the metres offer a direct view of the signal levels as they are transported in the digital domain via Dante. Optimal audio performance requires transporting signals at their proper levels — without an accurate indication this can be difficult to achieve.

Ethernet Data and PoE

The Model 5204 connects to a data network using a standard 100 Mb/s twisted-pair Ethernet interface. The physical interconnection is made by way of a Neutrik® etherCON RJ45 connector. While compatible with standard RJ45 plugs, etherCON allows a ruggedized and locking interconnection for harsh or high-reliability environments. An LED displays the status of the network connection.

The Model 5204's operating power is provided by way of the Ethernet interface using the Power-over-Ethernet (PoE) standard. This allows fast and efficient interconnection with the associated data network. To support PoE power management, the Model 5204's PoE interface reports to the power sourcing equipment (PSE) that it's a class 3 (mid power) device. An LED is provided to indicate when power is being supplied to the Model 5204. Note that no provision has been made to allow an external power source to be connected. However, if the associated Ethernet switch does not provide PoE capability a commonly-available mid-span PoE power injector can be utilized.

For further information please view the attached Datasheet.

Warranty

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.

Trade Terms
The above item is non-returnable, unless defective. Please ensure part numbers and descriptions are as required before placing this order. If any confirmation or information is required please contact AV Sales on 1800 00 77 80.
Network Audio Technology:
Type: Dante Audio-over-Ethernet
Bit Depth: up to 24
Sample Rates: 44.1, 48, 88.2, and 96 kHz
Network Interface:
Type: twisted-pair Ethernet with Power-over-Ethernet (PoE)
Data Rate: 100 Mb/s (10 Mb/s Ethernet not supported)
Power: Power-over-Ethernet (PoE) per IEEE 802.3af class 3 (mid power, ?12.95 watts)
General Audio Parametres:
Frequency Response: 20 Hz to 20 kHz, ±0.5 dB, line input B to Dante
Distortion (THD N): 0.01%, measured at 1 kHz, 4 dBu, line input B to Dante
Dynamic Range: >100 dB, A-weighted, line input B to Dante
Line Input A:
Type: 2-channel ("stereo") unbalanced, capacitor-coupled
Input Impedance: 10 k ohms
Nominal Level: adjustable using rotary level control, –3 dBu @ 100% rotation
Maximum Level: 10 dBu
Line Input B:
Type: 2-channel ("stereo") electronically balanced, capacitor-coupled
Input Impedance: 20 k ohms
Nominal Level: adjustable using rotary level control, 11 dBu @ 100% rotation
Maximum Level: 24 dBu
Meters: 2
Function: displays level of Dante output signals
Type: 7-segment LED, modified VU ballistics
Dedicated Charging Port:
Function: powering and charging of connected devices; no data interface
Output (Nominal): 5 volts DC, 1 amp (5 watts)
Compatibility: auto-detect supports divider mode, short mode, and 1.2 V/1.2 V charging modes
Connectors:
Ethernet: Neutrik etherCON RJ45
Line Input A: 3-conductor ("stereo") 3.5 mm jack
Line Input B: 2, 3-pin female XLR
Dedicated Charging Port: USB type A receptacle
Dimensions (Overall):
4.2 inches wide (10.7 cm)
1.7 inches high (4.3 cm)
5.1 inches deep (13.0 cm)
Mounting Option: bracket kit
Weight: 0.8 pounds (0.35 kg)

Specifications subject to change without notice.
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