ATI Audio Inc 4 Output Stereo Headphone Amp

ATI Audio Inc 4 Output Stereo Headphone Amplifier

ATI Audio Inc 4 Output Stereo Headphone Amplifier

B&H # ATHDA400 MFR # HDA400
ATI Audio Inc 4 Output Stereo Headphone Amp

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  • 1Description

The ATI AUDIO HDA400 is an economical four-output stereo monitoring system in a one rack-space package with an internal AC power supply. This unit is rugged and provides excellent performance driving a wide range of typical 32 to 600 Ohm high-efficiency stereo headphones to levels near 120dB SPL. It features balanced 1/4" TRS stereo line inputs with a master level control and a clipping indicator. The stereo/mono switch drives four independently adjustable high-compliance stereo outputs. It is designed to accommodate a high-output voltage swing for high-impedance phones and supplies a protected high current capability for low-impedance phones. Output jacks are located on the front and rear panels.

These headphone amplifiers provide a complete monitoring solution for on-the-air studios, line remotes, houses of worship, production rooms, learning centers, home studios, or state-of-the art recording studios.
Direct Input/Output Level Controls
Balanced 1/4" TRS stereo line inputs have master level controls. Headphone outputs are duplicated on front and rear of this rack-designed unit, and comfortably drive typical 32 to 600 Ohm headphones to SPL in excess of 120dB at 100mW each.
Four Headphone Output Connectors
There is plenty of room for everyone to monitor their own stuff with this four headphone amplifier unit. Output connectors are also duplicated on the front and rear of the one rack-space configuration.
Functional Indicators
You will be able manage your headphone amplification in any lighting environment. LED indicators highlight input stage cues and clipping, as well as signal presence and power.
Balanced Inputs
You will be ready for professional monitoring with parallel balanced professional grade XLR inputs, as well as standard TRS cue and stereo line inputs that allow easy loop-thru and connector flexibility.
In the Box
ATI Audio Inc 4 Output Stereo Headphone Amplifier
  • Limited One-Year Warranty
  • Table of Contents
    • 1Description
    Number of Channels 4
    Input Connections Program Inputs and Cue Input: Balanced XLR and Balanced TRS Direct Channel Inputs: Unbalanced Stereo or Balanced Mono TRS
    Output Connectors Four high-compliance 6V/80mA outputs
    Maximum Output Level Capable of 100mW minimum into 32 to 600 Ohm headphones.
    Function Controls Direct Input/Output Level Controls
    Frequency Response +0/-.5dB 20-20000 Hz
    THD + N .10% THD maximum, 20-20000 Hz, below clipping
    Noise -90dB E.I.N. 20-20000 Hz
    Display Led Indicators: Power, Signal, Input and Cue
    Dimensions 19 x 1-3/4 x 7.5" (48.3 X 4.5 X 19.05 cm)
    Weight 15 lbs(6Kg)
    Specialties Internal Power Supply; Rack System Configuration
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