DISTRIBUTION AMPLIFIERS

HD View4

Signal Properties:

All known video

formats are accepted

Output scanning for- mat is always the

SAME as the input scanning format

Component Video

Bandwidth -3 dB at 120 MHz, linear-phase pass-

band

Unity-gain, 1 volt p-p, ter- minated to 75 ohms

Composite sync on "Y" chan- nel

Audio

Bandwidth flat 20 Hz to 50 MHz

Analog (standard line-type Left & Right pairs) or digital PCM audio

Digital PCM audio

Modes of Operation:

You must set the six 8-bit DIP Switches as described in the Operation Manual to the desired

Operating Mode

ADA4 Mode:

Distribution of your YPrPb and Left & Right analog or digital PCM audio inputs to as many as

four separate Component Video monitors

Distribution of your YPrPb and Left & Right analog audio and/or Composite Video (CV) inputs

simultaneously to as many as four separate Component Video and Composite Video displays

PCMD4 Mode:

Distribution of your single digital PCM audio input to as many as 24

separate destinations

Distribution of your single Composite Video (CV) input to as

many as 24 separate destinations

Manual

Adjustments (on front panel):

Independent gain con- trol adjustment provided for all four Output Groups for all video signals (YPrPb & Composite Video) to compensate for excessive cable lengths up to 1000 feet

Sixteen, front-panel adjustment potentiome- ters

Adjustment procedure is based on measured out- put cable resistance

Each run of YPrPb cable must be the same length per output

Mechanical

Easy to install and inte- grate -- Custom Installer’s dream

Connectors and cables are all located on the rear of the unit

All video and audio inputs and outputs have color-coded RCA female connectors

5-pin DIN power con- nector

Cable compensation adjustment potentiome- ters are on the front of the unit

Rack mountable: 1U

Size: 17" x 8" x 1.5"

Weight: 4 lbs.

Enclosure type: Metal

Input Power: External power supply provided, 110-240V AC, 50-60 Hz, 0.9A

Technical Support

Customer Support

Tech@keydigital.com

CustomerSupport@keydigital.com

1-888-258-2028 / 1-203-778-0295

1-718-796-7178 ext.23

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Key Digital KD-ADA4 Signal Properties, Modes of Operation, ADA4 Mode, PCMD4 Mode, Adjustments on front panel, Mechanical

KD-ADA4 specifications

The Key Digital KD-ADA4 is an advanced audio distribution amplifier designed to offer high performance and flexibility for professional audio applications. As a versatile solution, the KD-ADA4 supports a variety of audio formats and delivers exceptional sound quality, making it ideal for integration in commercial spaces, educational institutions, and entertainment venues.

One of the standout features of the KD-ADA4 is its ability to distribute audio to four separate outputs. This allows users to connect multiple audio zones or devices simultaneously, providing enhanced audio capabilities across a wide area. Each output can be independently controlled, giving users optimal control over their audio environment.

The KD-ADA4 utilizes state-of-the-art technologies, including digital signal processing (DSP), to provide dynamic range control, equalization, and other audio enhancements. The inclusion of DSP ensures that the audio remains clean and professional, regardless of the source material or environment. This is particularly beneficial in settings where audio clarity is paramount, such as in conference rooms or live event venues.

Another core characteristic of the KD-ADA4 is its compatibility with a variety of audio sources. It supports both analog and digital inputs, including balanced and unbalanced connections. This flexibility makes it easy to integrate the KD-ADA4 into existing audio systems, allowing users to leverage their current equipment while updating their audio distribution capabilities.

Furthermore, the KD-ADA4 is designed with user simplicity in mind. It features intuitive front panel controls and LED indicators that facilitate easy operation and monitoring of the system's status. For more advanced configurations, users can utilize Key Digital's proprietary software, which enables complex setups to be managed via a computer interface.

Robust build quality is another important aspect of the KD-ADA4. Designed to withstand the rigors of commercial use, it features durable hardware and an efficient cooling system to ensure reliable performance during extended operation. This makes it a dependable choice for projects where downtime must be minimized.

In summary, the Key Digital KD-ADA4 is a versatile audio distribution amplifier that combines advanced technology, comprehensive connectivity options, and user-friendly features. With its robust performance and flexibility, it is an essential tool for any professional audio installation requiring reliable audio distribution across multiple zones or devices.