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Radio Design Labs ST-DA3

*NEW IN BOX!*

Includes instructions & adhesive velcro for mounting

Data/Installation

• Audio Distribution with up to 3 Outputs
• Balanced or Unbalanced Input and Outputs
• Bridge an Audio Line for Local Distribution
• Distribution with Impedance Conversion
• Distribution with Gain or Loss
• Inputs and Outputs RF-Protected
• 1x3 Mono or Use Two Units for Stereo
• RDL® SupplyFlex™ Power Input Configuration

The ST-DA3 gives you the advantages of an audio distribution amplifier PLUS you can put it where you need it. The ST-DA3 allows bridging of any audio line, adjusting the gain, and driving either high or low impedance, balanced or unbalanced loads. The ST-DA3's wideband circuitry produces the unsurpassed pure clarity, ultra-low distortion and low noise for which RDL products are known.

Features:

• Functions as an electronic transformer
• Provides isolation, gain, and three outputs
• Wideband amplifiers produce impeccable audio
• Operates from ground-referenced, floating or bipolar power supply
• Ultra-low distortion
• Ultra-low noise
• Excellent phase response
• Gain adjustment 17 dB above or below unity
• Ample headroom at operating level
• Recessed multi-turn audio taper gain trimmer for precise control
• Input and outputs are RF protected
• Full operation in either high or low impedance circuits
• Outputs are short circuit protected
• Positive connections via barrier block

Specifications:

• Input: 20 kohm balanced or unbalanced
• Input Signal: -15 dBV to +21 dBu (for +4 dBu output)
• Maximum Input Level: +24 dBu
• Outputs (3): 150 ohm balanced or 75 ohm unbalanced
• Output Signal:
      * Balanced: +4 dBu nominal balanced
      * Unbalanced: 6 dB below balanced line level
• Maximum Output Level: +25 dBu
• Frequency Response: 10 Hz to 100 kHz (+/- 0.05 dB)
• THD+N:< 0.002% (unity gain)
• IMD:< 0.003% (unity gain)
• Noise below +4 dBu:< -98 dB (unity gain)
• Headroom:> 20 dB (above +4 dBu)
• Gain: Unity +/- 17 dB (adjustable)
• CMRR:> 60 dB (50 Hz to 120 Hz)
• Power Requirement: Ground-Referenced or Floating 24 to 33 Vdc @ 70 mA


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