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Balanced 1x9 AES Audio Distribution Amplifier

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The 400DA-AESB is a nine output reclocking and auto equalizing DA for balanced 110Ω AES signals. The DA automatically equalizes up to 300m of Belden 1800B cable and provides reclocked outputs with sampling frequencies of 32kHz, 44.1kHz, 48kHz and 96kHz. The 400DA-AESB card edge LED indicators provide quick and accurate assessment of the incoming signal quality.

The 400DA-AESB is housed in the 3RU 400FR frame that will hold up to 16 modules.


  • Data reclocking provides jitter reduction
  • Inputs

  • AES3-1992 standard for AES audio on 110Ω twisted pair cable
  • EQ and reclock provide extended cable length compensation (> 300m)
  • Transformer coupled 110Ω balanced input
  • Outputs

  • Nine 110Ω balanced
  • Card Edge LEDs

  • Module Health Status
  • Error LED indication for input PLL out of lock, parity error, or biphase coding error
  • Reclocked locked


AES Input

Standard AES3-1992
Number of Inputs 1
Connector 3 pin removable terminal strip
Input level 2 to 7V p-p
Coupling Transformer
Input Impedance 110Ω
Return Loss > 14dB 100kHz to 6MHz
Equalization Automatic to 300m with Belden 1800B (or equivalent) @ 48kHz AES signal
Sampling Frequency 32kHz, 44.1kHz, 48kHz and 96kHz

AES Output

Number of Outputs 9 Balanced AES reclocked
Connector 3 pin removable terminal strips
Output level 5V p-p
Output Impedance 110Ω
Return Loss > 30dB 100kHz to 6MHz


Voltage +12V DC
Power 5W
EMI/RFI Complies with FCC Part 15 Class A EU EMC Directive


Number of Slots 1

Ordering Information

400DA-AESB Balanced AES Audio Distribution Amplifier (1x9)


400FR 3RU Exponent Compact High Density Balanced Audio Distribution Frame


400FC 400FR VistaLINK® Frame Controller