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Grass Valley, Miranda

Grass Valley, Miranda ADA-1023 Dual (Stereo) Analog Audio DA w/ Backplane

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The ADA-1023 from Grass Valley® is an analog audio DA that can be configured for single or dual channel (stereo) operation. In single channel mode, eight outputs can be driven while in dual channel mode, each channel has four outputs. A wide range of level gain control is possible and controlled from the card edge.

View Product Features

  • Single or dual analog audio input(s)
  • Single channel 8-output or dual channel (stereo) 4-output
  • Balanced inputs and outputs
  • Wide control of gain (-8 to +32 dB)
  • Status LED and remote reporting of presence and overload
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About the Grass Valley, Miranda ADA-1023 Dual (Stereo) Analog Audio DA w/ Backplane

The Miranda ADA-1023 is a professional broadcast component designed as a high-density, dual-channel distribution amplifier for pristine analog audio signal management. It operates as a single module within a larger, multi-slot frame system, drawing power and thermal management from a centralized backplane. Its primary function is to accept one balanced stereo audio input and amplify and isolate it to drive twelve identical, independent outputs per channel. This capability is essential in television facilities, radio stations, and production houses for tasks such as splitting a master program feed to numerous recorders, monitors, or processing units while maintaining absolute signal integrity and preventing ground loops or impedance mismatches.

Engineered for transparent performance, the module utilizes high-quality circuitry to ensure that the distributed audio is an exact electrical replica of the source. Each output is fully buffered and isolated, guaranteeing that connected downstream equipment does not interact or load the source, which is critical for preserving audio quality across complex signal paths. The design emphasizes stability and accuracy, featuring front-accessible controls for precise gain adjustment on each channel. This allows audio engineers to fine-tune levels to match system requirements without ever compromising the fundamental clarity and dynamic range of the original content.

The value of the ADA-1023 lies in its combination of performance, density, and reliability. By consolidating twenty-four total outputs into a single rack-unit module and eliminating individual power supplies, it maximizes rack space efficiency and simplifies both installation and maintenance. Its robust, passively cooled design ensures continuous, trouble-free operation in mission-critical 24/7 environments. As a foundational element in a technical core, it provides a scalable and dependable solution for distributing high-fidelity stereo audio, forming the silent, reliable backbone upon which flawless audio production depends.

Key Features

  • Single or dual analog audio input(s)
  • Single channel 8-output or dual channel (stereo) 4-output
  • Balanced inputs and outputs
  • Wide control of gain (-8 to +32 dB)
  • Status LED and remote reporting of presence and overload

Grass Valley, Miranda ADA-1023 Dual (Stereo) Analog Audio DA w/ Backplane Specs

Audio Performance
Frequency Response
10 Hz to 50 kHz (±0.1 dB)
Total Harmonic Distortion
<0.05% at 1 kHz, +20 dBu
Signal-to-Noise Ratio
>92 dB unweighted, ref +20 dBu
Crosstalk
<-80 dB at 10 kHz
Maximum Output Level
+24 dBu
Input Specifications
Input Channels
2 (Stereo Pair)
Input Connector
3-Pin Terminal Block
Input Impedance
>10 kΩ Balanced
Nominal Input Level
+4 dBu
Maximum Input Level
+24 dBu
Output Specifications
Outputs per Channel
12
Total Outputs
24
Output Connector
3-Pin Terminal Block
Output Impedance
60 Ω Balanced
Nominal Output Level
+4 dBu
Gain Control
Gain Adjustment Range
-6 dB to +6 dB
Control Interface
Front Panel Potentiometer
Physical & Electrical
Module Height
1 RU (1.75 inches / 44.5 mm)
Module Width
Single Slot
Cooling Method
Passive (Chassis Conduction)
Power Consumption
12 Watts (typical)
Operating Temperature
0°C to 45°C

Key Features

  • Single or dual analog audio input(s)
  • Single channel 8-output or dual channel (stereo) 4-output
  • Balanced inputs and outputs
  • Wide control of gain (-8 to +32 dB)
  • Status LED and remote reporting of presence and overload
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