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Model 216A Announcer’s Console

Order Code: M216A

The Model 216A Announcer's Console is designed to serve as the audio control center for announcers, commentators, and production personnel. This tabletop unit supports applications utilizing the Dante® audio-over-Ethernet media networking technology. The Model 216A is suitable for numerous applications including on-air television sports broadcasting, stadium announcement, and corporate AV. It can also serve as a 4-channel IFB (interrupted foldback or talent cueing) main station for remote production (REMI) applications. The unit integrates all on-air, talkback, and cue audio signal routing in one compact package. Four pushbutton switches allow the user to control the main and talkback audio output channels. Ease of use, configuration flexibility, and sonic excellence are some of the unit's highlights.

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Key Features

  • Dante audio-over-Ethernet technology
  • Excellent audio quality
  • One main and three talkback Dante audio outputs
  • Four Dante headphone audio input channels
  • Headphone output with sidetone function
  • PoE and 12 Vdc powering
  • Rugged, compact enclosure
  • Configured using STcontroller application

Documentation Downloads Where to Buy

The Model 216A Announcer's Console is designed to serve as the audio control center for announcers, commentators, and production personnel. This tabletop unit supports applications utilizing the Dante® audio-over-Ethernet media networking technology. The Model 216A is suitable for numerous applications including on-air television sports broadcasting, stadium announcement, and corporate AV. It can also serve as a 4-channel IFB (interrupted foldback or talent cueing) main station for remote production (REMI) applications. The unit integrates all on-air, talkback, and cue audio signal routing in one compact package. Four pushbutton switches allow the user to control the main and talkback audio output channels. Ease of use, configuration flexibility, and sonic excellence are some of the unit's highlights.

The Model 216A is compatible with broadcast and audio system environments that use Dante technology. An Ethernet connection with Power-over-Ethernet (PoE) power is all that's required to make the unit part of a sophisticated, networked audio system. Add a microphone and pair of headphones (or a broadcast headset) and the installation is complete. Whether it's the on-air audio, the talkback audio, or the headphone cue feed, superior audio quality is always maintained. Using the STcontroller software application, a range of configuration choices allow the desired operating parameters to be easily selected. And while flexible to configure, the user is presented with an easy-to-understand set of controls and indicators

User Controls and Status Indicators

Four pushbutton switches, five LED indicators, and three rotary controls provide the user with a clear, easy-to-use interface. One pushbutton switch controls the status of the Dante main transmitter (output) channel. This is the audio channel intended for on-air, announcement, or other primary uses. Two LEDs display the on/off status of the main output channel. Three additional pushbutton switches control the status of the Dante talkback transmitter (output) channels. These are the audio signals used to communicate with producers, directors, spotters, or other behind-the-scenes production personnel. A status LED is associated with each of the talkback pushbutton switches. The four pushbutton switches utilize gold-plated contacts for reliable long-term operation and include backlighting using white LEDs. Three rotary controls allow the user to adjust the content and level of the headphone output channels.

Microphone Input

A microphone signal is connected to the Model 216A by way of a standard 3-pin female XLR connector. The unit incorporates a high-performance microphone preamplifier which offers low-noise, low-distortion, and high-headroom amplification over a 19 to 64 dB range. The gain is adjustable in 3-dB steps. The microphone input is compatible with balanced dynamic or condenser microphones. Phantom power is provided and meets the worldwide P48 standard. A dual-color LED indicator serves as an optimization aid when setting the gain of the microphone preamplifier.

Output Channels and their Operation

By way of the Dante interface, the Model 216A provides a main transmitter (output) channel and three talkback transmitter (output) channels. The main output channel is designed to serve as the on-air, stadium announcement, or other primary audio feed. The talkback output channels are intended to provide production trucks, control rooms, or support personnel with talent-originated cue signals.

A large part of the Model 216A's unique power is the ability to configure the operation of the main and talkback functions. To meet the needs of the many specific broadcast and production applications, a variety of pushbutton switch operating modes are available. The main pushbutton switch can be selected to operate from among five modes. In the Push to Mute mode, the pushbutton performs a momentary mute of the audio signal associated with the Dante main transmitter (output) channel. In this way, a "cough" pushbutton function is created, something typically required for television sports broadcasting. In the Push to Talk mode, the pushbutton switch provides a momentary active function for the Dante main transmitter (output) channel. This mode would be appropriate for an application such as stadium announcement. The Latching (alternate action) mode allows the pushbutton switch to enable or disable the audio signal associated with the Dante main transmitter (output) channel as desired. This is useful in radio broadcasting, announce-booth, or voice-over applications. The fourth mode, Push to Talk/Tap to Latch, provides a hybrid function, supporting both push to talk and tap to enable/tap to disable operation. This operation is similar to that found in many broadcast intercom system user stations. A fifth mode, Push to Mute/Tap to Latch, is a second hybrid function, supporting push to mute and tap to enable/tap to disable operation.

The three pushbutton switches associated with the talkback functions can be individually configured to operate from among three modes. One mode supports a push to talk function. This is typically used for on-air broadcast applications. The second mode provides a latching function. The third mode provides a push to talk/tap to latch function, a hybrid mode that is discussed previously. This mode can be especially useful when the Model 216A is used in production-support applications.

Overall Model 216A operation can be configured from among five modes. One mode is intended for on-air use while the other four can be useful for production applications. The Model 216A's On-Air mode is appropriate for on-air television, radio, and streaming broadcast applications. When on-air is selected the audio signal associated with the Dante main transmitter (output) channel will always mute when one of the talkback functions is active. This prevents audio that's intended for production or support personnel from being sent out the on-air audio path.

For non-on-air applications, the Model 216A can be configured to operate in one of four production modes. These allow the Dante main transmitter (output) channel to be used as a fourth talkback channel, rather than always muting when a talkback function is active. By utilizing one of these production modes, the unit can be even more powerful when used in a live-event application, such as serving as a 4-channel IFB (talent cueing) console for a sports-event spotter, musical director, or production assistant. In addition to changing how the Dante main transmitter (output) channel will respond to talkback pushbutton switch operation, two of the production modes also support using the headphone output for connection with a power amplifier or amplified loudspeakers. In these two modes, the headphone output level will automatically be reduced (attenuated or dimmed) whenever any of the Dante main or talkback transmitter (output) channels are active. This can enhance intelligibility and help prevent acoustical feedback from occurring between loudspeakers and a Model 216A-related microphone.

REMI IFB Creation

Two production modes, production with tone and production with dim and tone, are specifically included to support the tone operated (TOX) interrupt (IFB) function that's part of the Studio Technologies' Model 5422A Dante Intercom Audio Engine. These modes mix in a 18 kHz sine-wave signal to the Dante talkback transmitter (output) channels so that activation of the Model 5422A's TOX IFB function will occur. The TOX function supports the REMI production mode where production personnel are present at one physical location while a broadcast event is taking place at another. Only audio paths linking the sites are required for professional-quality IFB signals to be created. The Model 216A can serve as an IFB main station while the Model 5422A, located at the event site, will perform the switching between interrupt audio (coming from the Model 216A) and program audio (originating at the event site).

Headphone Output

The Model 216A provides a number of configuration choices that relate to the unit's 2-channel (stereo) headphone output. These choices include the audio sources that are utilized and how the three rotary level control's function, if and when sidetone action will take place, the minimum headphone output level, and the overall headphone output gain range. Five headphone output audio source and routing modes are offered. These modes impact how the three rotary controls adjust the four Dante receiver (input) channels and the sidetone audio signals.

The first two modes support standard on-air applications and use Dante audio receiver (input) channels 1 and 2. In the broadcast world, these two signals are often referred to as talent cue or IFB audio. In live television applications they typically originate in production trailers or control rooms and provide one channel of program-with-interrupt audio and a second channel with program-only audio. The third, fourth, and fifth configuration modes allow all four of the Dante-provided audio sources to be utilized. These can be useful for more complex or specialized situations.

The three headphone level controls ("rotary pots") are provided for setting the "mix" of the selected audio input sources as well as adjusting the overall headphone output level. How these controls function depend on the selected headphone mode. The first mode can be used to support traditional on-air sports applications. In this mode, it would be typical to route (Dante subscribe) program-with-interrupt audio to the Dante receiver (input) channel 1 and program-only audio to the Dante receiver (input) channel 2. Rotary control A, located on the left side, is used to adjust the level of the program-with-interrupt audio signal that's routed to the left headphone output channel. Rotary control B, located in the center, is used to adjust the level of the program-only audio signal that's routed to the right headphone output channel. For use with dual-channel or stereo cue signals, another headphone output mode provides a stereo ("level/balance") mode. In this mode, rotary control A adjusts the level of both Dante receiver (input) channels 1 and 2, while rotary control B allows adjustment of the left/right level balance. In both of these modes, rotary control C, located on the right side, is used to adjust the level of the sidetone audio signal that can be sent to both the left and right headphone output channels.

When selected for the third headphone output mode rotary control A adjusts the level of Dante receiver (input) channel 1 as it is sent to the left headphone output channel and Dante receiver (input) channel 2 as it is sent to the right headphone output channel. Rotary control B provides the same function for Dante receiver (input) channels 3 and 4. Rotary control C adjusts the sidetone level.
The fourth headphone output mode offers another unique routing choice. Rotary control A adjusts the level of Dante receiver (input) channel 1 as it is sent only to the left headphone output channel. Rotary control B adjusts the level of Dante receiver (input) channel 2 as it is sent only to the right headphone channel. Rotary control C adjusts the level of Dante receiver (input) channels 3 and 4 as they are sent, respectively, to the left and right headphone output channels.

The fifth headphone output mode is similar to the fourth, with the exception that Dante receiver (input) channel 1 is sent to both the left and right headphone output channels; Dante receiver (input) channel 2 is sent to both the left and right headphone output channels.

The sidetone function allows audio from the output of the Model 216A's microphone preamplifier to be sent to the left and right headphone output channels. This can be useful, providing the user with an aural confirmation of the signal connected to the microphone input. This ability can be especially important when a "mix-minus" talent cue signal is provided for the user. For application flexibility, the sidetone function can be configured from among four choices, specifying when it will be active in relation to the status of the main and talkback functions. It can also be disabled if desired.

To help minimize the chance of broadcast cues being missed, the action of the rotary level controls can be configured so that there's always a minimum headphone output level. Alternately, the rotary controls can be configured to fully mute when the controls are at their minimum (fully counterclockwise) position. When the rotary level control on the right side, labeled C, is configured for sidetone use it will always allow the sidetone signal to be fully muted.

The 2-channel (stereo) headphone output was designed to meet the needs of contemporary headphones and headsets. Specifically, the two output circuits act as voltage drivers rather than power drivers. In this configuration, they can provide high output levels with very low distortion and noise, along with minimal current consumption. With the Model 216A, all types of headphones, headsets, and earpieces can be directly connected.

A configuration feature allows the overall headphone output gain range to be selected. The low setting is appropriate for most applications where users need to listen at moderate levels. The high setting can be useful when monitoring at higher levels is warranted by an application.

Dante Audio-over-Ethernet

Audio data is sent to and from the Model 216A using the Dante audio-over-Ethernet media networking technology. For flexibility in meeting a variety of application and sonic requirements, bit depths of up to 24 and sample rates of 44.1 and 48 kHz are supported.

Audio transmitter (output) and receiver (input) channels on associated Dante-enabled devices can be routed (Dante subscribed) to the Model 216A using the Dante Controller software application. This makes selecting the way in which the Model 216A fits into an application a simple matter. For example, the Dante main transmitter (output) channel can be routed to the Dante receiver (input) channel of an audio console. The Dante talkback transmitter (output) audio output channels could be routed to Dante receiver (input) inputs of a matrix intercom system. No special assignment or "multing" using cables or patch points is necessary to send a Dante transmitter (output) channel to Dante receiver (input) channels of multiple destinations — only a single mouse-click is required to reroute or assign a Dante audio signal.

On its input side, the Model 216A allows up to four headphone cue sources to be received from an audio console, matrix intercom system, or a variety of other Dante-enabled devices (the sources don't need to originate from the same device although there is a limit of two). In this way, program audio could be supplied by an audio console while program-with-interrupt audio could be supplied by a matrix intercom system.

Ethernet Data, PoE, and DC Power Source

The Model 216A 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 to meet the needs of harsh or high-reliability environments. The Model 216A's operating power can be 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 216A's PoE interface reports to the power sourcing equipment (PSE) that it's a class 2 (low power) device. (In PoE parlance, the Model 216A is a standard PD (powered device).) The unit can also be powered using an external source of 12 volts DC. For redundancy, both power sources can be connected simultaneously. If both sources are connected, PoE will power the unit. Four LEDs, located on the back panel, display the status of the network connection, PoE power source, and Dante interface.

Configuration Flexibility

The Model 216A can be configured to meet the needs of specific applications and user preferences. All configuration tasks are performed using the STcontroller personal computer software application, available free of charge on the Studio Technologies' website. (Versions of STcontroller that are compatible with the Windows® and macOS® operating systems can be downloaded.) In the Model 216A there are no mechanical switch settings or button-press sequences required to configure how the unit functions. Selectable parameters include microphone preamplifier gain, P48 phantom power on/off, input channel routing and headphone output performance, sidetone operation, pushbutton switch operation, and overall operating mode. Changes made to any of the configuration parameters become active immediately.

The gain of the microphone preamplifier can be selected in 3-dB steps over a 19 to 64 dB range. This allows the Model 216A to match the output sensitivity of a variety of handheld and headset-associated microphones. A low-noise source of P48 phantom power can be enabled if required to support condenser microphones. The four Dante receiver (input) audio channels and the way in which they are assigned to the headphone output channels can be configured. This configuration includes how the three rotary controls (pots) function. These five unique choices allow almost any required headphone monitoring situation to be implemented. Whether for use in on-air sports, in stadium announcement applications, or as a production support tool, the Model 216A should be able to achieve the desired configuration. The integrated sidetone function can be configured to operate from among three choices. This allows audio associated with the output of the microphone preamplifier to be sent to the headphone output channels as required. Sidetone can be important as some applications may provide a "mix-minus" talent cue signal that doesn't include the user's own voice content. A configuration selection allows the operation of the main pushbutton switch and its associated function to be selected from among five choices. The talkback buttons can be configured from among three choices.

Customization

In the world of broadcast and production audio it's fair to say that applications vary widely. To this end, one or two additional XLR connectors can easily be mounted into the Model 216A's back panel. Multiple 3-position headers, located on the Model 216A's circuit board, provide technician access to microphone, headphone, pushbutton switch, and relay connections. Using a variety of optional factory-supplied connector and interface cable kits allows a Model 216A to be optimized to meet the needs of specific applications. For example, some applications may prefer to use a multi-pin XLR connector to interface with a headset. This can easily be accomplished by installing the appropriate 6- or 7-pin XLR connector kit and making a few simple connections. Other applications may benefit from having "mult" or "loop-through" connections, something easily incorporated into a Model 216A. External contact closures to activate the main and/or talkback functions can be interfaced using a 4-pin XLR connector kit.

Two general-purpose relay contacts are provided on the Model 216A's circuit board. Accessible using 3-pin header connectors, they allow specialized configurations to be created. Under software control, the form-A (normally open) solid-state relay contacts can be configured to follow the state of the main and talkback functions. Taking advantage of the two locations provided for additional XLR connectors, a technician may easily implement a variety of functions such as a tally indication or audio muting during talkback.

Future Capabilities and Firmware Updating

The Model 216A was designed so that in the future its capabilities and performance can be easily enhanced. A USB type A receptacle, located on the unit's back panel, allows the operating firmware (embedded software) to be updated using a standard USB flash drive. The Model 216A uses Audinate's Ultimo™ integrated circuit for implementing Dante. The firmware within this integrated circuit can be updated via the Ethernet connection, helping to ensure that its capabilities remain up to date.

Power Sources:
Power-over-Ethernet (PoE): class 2 (low power, ≤6.49 watts) per IEEE 802.3af
DC Input: 10 to 18 volts DC, 290 mA maximum at 12 volts DC (can be powered by optional PS-DC-02)

Network Audio Technology:
Type: Dante audio-over-Ethernet
AES67-2018 Support: yes, on/off selectable
Dante Domain Manager (DDM) Support: yes
Bit Depth: up to 24
Sample Rates: 44.1 or 48 kHz
Pull Up/Down Support: none
Dante Transmitter (Output) Channels: 4 (Main, Talkback 1, Talkback 2, Talkback 3)
Dante Receiver (Input) Channels: 4
Dante Audio Flows: 4; 2 transmitter, 2 receiver
Analog to Dante Equivalent: an analog input signal at a level of –36 dBu and microphone preamplifier gain configured for 40 dB will result in a Dante transmitter (output) level of –20 dBFS

Network Interface:
Type: 100BASE-TX, Fast Ethernet per IEEE® 802.3u (10BASE-T and 1000BASE-T (GigE) not supported)
Data Rate: 100 Mb/s (10 Mb/s and 1000 Mb/s Ethernet not supported

Microphone Input:
Compatibility: dynamic or phantom-powered microphones
Type: balanced, capacitive coupled
Impedance: 3.7 k ohms, nominal
CMRR: >76 dB, 20 Hz to 20 kHz, 40 dB microphone preamplifier gain
Gain Range: 19 to 64 dB, adjustable in 3-dB steps
Frequency Response: 20 Hz to 20 kHz, +0/–1 dB, microphone input to Dante output
Distortion (THD+N): 0.004%, measured at 1 kHz, –36 dBu mic input, 40 dB microphone preamplifier gain
Dynamic Range: >109 dB, 40 dB microphone preamplifier gain, -weighted
EIN: –123 dBu, 22 kHz bandwidth, 64 dB microphone preamplifier gain, 150 ohms source resistance
Phantom Power: P48 per IEC 61938 P48 standard, on/off selectable, 45 volts DC nominal

Headphone Output:
Type: 2-channel
Compatibility: intended for connection to stereo (dual-channel) or monaural (single-channel) headphones, headsets, or earpieces with nominal impedance of 50 ohms or greater
Maximum Output Voltage: 3.0 Vrms, 1 kHz, 150 ohm load
Frequency Response: 20 Hz to 20 kHz, ±1 dB
Distortion (THD+N): <0.025%, measured at 1 kHz, 0 dBu output
Dynamic Range: >109 dB, A-weighted

Tone:
Use: provides support for tone operated (TOX) IFB function on devices such as Studio Technologies’ Model 5422A Dante Intercom Audio Engine
Type: sine wave
Frequency: 18 kHz ± 0.1 Hz
Level: –20 dBFS
Distortion: <0.01% THD+N

Remote Control Inputs: 4
Functions: mimics the action of the main and talkback button functions
Type: active low, 1 mA maximum, input pulled up to 3.3 volts DC via 3.4 k ohm resistors
Access: requires user-implemented connector scheme

Relay Contacts: 2
Functions: configurable, can follow status of the main, talkback, or main and talkback functions
Type: form A (normally open, not shorted), solid-state
Rating: 100 mA, 60 volts AC/DC, maximum
Contact Resistance: 16 ohms, maximum
Access: requires user-implemented connector scheme

Connectors:
Microphone Input: 3-pin female XLR
Headphone Output: ¼-inch 3-conductor jack
Ethernet: Neutrik NE8FBH etherCON RJ45 receptacle
DC Input: 4-pin male XLR (pin 1 negative, pin 4 positive)
USB: type A receptacle (used only for updating firmware)

Spare Connector Locations: 2
Allows Studio Technologies' option modules to be installed. Also compatible with Neutrik NC*D-L-1 connectors (*=3F, 3M, 5M, 6F, 6FS, etc.).

Configuration: requires Studio Technologies' STcontroller software application

Software Updating: USB flash drive for updating application firmware; Dante Updater application for updating Dante interface firmware

Environmental:
Operating Temperature: 0 to 50 degrees C (32 to 122 degrees F)
Storage Temperature: –30 to 70 degrees C (–22 to 158 degrees F)
Humidity: 25 to 85%, non-condensing
Altitude: not characterized

Dimensions (Overall):
5.6 inches wide (14.2 cm)
3.3 inches high (8.4 cm)
8.5 inches deep (21.6 cm)

Deployment: intended for tabletop applications

Weight: 2.7 pounds (1.2 kg)

Specifications and information subject to change without notice.

Documentation

Data Sheet  

Title
Model 216A Announcer's Console Data Sheet
Description
Issue 1
Release Date
04-Oct-2022

User Guide  

Title
Model 216A Announcer's Console User Guide
Description
Issue 1
S/N Range
00151-later
Firmware
Main 1.00-later; STcontroller 3.08.00-later
Release Date
28-Nov-2022

Other Documentation  

Title
Model 216A STcontroller Menu Example
Title
Model 216A Dante Controller Routing Menu Example
Title
Example of REMI Event Utilizing Dante Technology and Audio Tie-Lines via Internet for On-Air, IFB, and Support Communications
Description
Issue 5
Release Date
22-Sep-2022
Title
Model 200-Series Comparison Chart
Description
Issue 22
Release Date
03-Nov-2022

Images  

Model 216A Announcer's Console Front Angle View
Models 214A, 215A, 216A Announcer's Console Rear View

Downloads  

Dante Firmware  

Description
Dante Firmware (.dnt) and Release Notes (.txt)
Notes
DDM Ready; AES67 Support
Version
1.0.0 (UltimoX4 v4.2.6.5)
S/N Range
03001-later
Release Date
16-Nov-2022

Application / Main Firmware  

Description
Application Firmware (.stm) and Release Notes (.txt)
Version
1.00
S/N Range
03001-later
Release Date
16-Nov-2022
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