DDA-106XLR 1×6 Digital Audio Distribution Amplifier

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Description

DDA-106XLR 1×6 Digital Audio Distribution Amplifier

 

DDA-106 Series 2 Digital Audio Distribution Amplifiers are designed to regenerate, isolate and distribute digital audio data formatted in accordance with specifications AES3-1992 and IEC 958. This is commonly called AES/EBU formatting or AES3.

DDA-106 Series 2 units have two inputs, selectable from a front panel switch. The selected input feeds AES audio to six separate outputs. A front panel switch selects either reclocking or non-reclocking of the input signal. In most cases, re-clocking is preferred, as this feature improves the integrity of weak or distorted input signals. Re-clocking may be switched off to allow distribution of AES sync signals, Dolby E encoded AES signals, or other signals that should not be re-clocked.

DDA-106 Series 2 units work with AES signals that contain sample rates from 27 through 192kHz and16-bit through 24 bit density, thus permitting very high resolution signals to be distributed.

The front panel displays full status of the input signal, including Sample rate, Word Length, Digital Errors and Pro or Consumer Mode.

DDA-106 Series 2 units contain a unique automatic equalization function that can adjust for extremely long input lines. Equalization works independently for each input. A Front Panel Lock feature protects all your settings.

The Model DDA-106XLR uses XLR connectors and operates from and drives a 110-ohm balanced shielded twisted pair distribution system per AES3-1992.

Input Loop-through connections are provided to permit multiple units to be stacked, or to insert the DDA-106 into your digital workflow. Switchable line termination is provided. Standard practice dictates that the last AES input be terminated; therefore, if you are not using the loop-through feature, Input Termination should be switched ON.

 

FEATURES

 

  • Accepts sample rates from 27 to 192kHz
  • Displays standard sample rates of 32, 44.1, 48, 88.2, 96, 176.4 and 192 kHz
  • Displays Word Length of 16, 18, 20 and 24 bit
  • Status and error LEDs show clock lock and data validity
  • Automatic input equalizers compensate for very long cable runs
  • Switchable re-clocking regenerates stable data before distribution
  • Loop thru transformer balanced and isolated inputs
  • Switchable input termination
  • Individual, transformer balanced and isolated 110-ohm XLR outputs
  • Two front-panel-selectable inputs
  • Six outputs
  • Front panel control locking system
  • Quiet, internal linear power supply (DDA-106XLR Input voltage is 115Vac. But it has
    a 230Vac version also, just add “230V” at the end of the model number to order it).
  • Attractive and rugged 1RU package

SPECIFICATIONS

 

INPUT

  • CONNECTORS: XLR female or BNC; paralleled input connectors for loop-thru expansion
  • LEVEL: XLR 0.2Vp-p minimum; BNC 0.1Vp-p minimum
  • IMPEDANCE: Transformer isolated, balanced and floating, XLR 110 ohms, BNC 75 ohms; terminating resistors may be switched in or out via front panel control
  • SAMPLING FREQUENCY: 27 to 192kHz
  • CABLE LENGTH: > 1000 feet (300 meters) of 110 ohm cable with equalizer; 75 ohm coax allows longer runs
  • EQUALIZER: Automatic EQ for long lines via front panel push button
  • CLOCK: Regenerated from input signal with dual mode PLL or non-reclocked to preserve Surround coding, switchable

OUTPUTS

  • CONNECTORS: XLR Male or BNC Female, 6 or 12 depending on model
  • LEVEL: XLR 4Vp-p loaded; BNC 2Vp-p loaded
  • IMPEDANCE: XLR 110 ohms, balanced and transformer isolated; BNC 75 ohms, unbalanced
  • OUTPUT JITTER: < 300 picoseconds peak to peak.
  • PROPAGATION DELAY: < 25 nanoseconds

INDICATORS

  • INPUT FAULT: (DDA-212 Only) Input 1, Input 2; identifies input with error condition
  • INPUT TERMINATION: On, Off
  • INPUT SAMPLE RATE: 32, 44.1, 48, 88.2, 96, 176.4 and 192 kHz
  • INPUT WORD LENGTH: 16, 18, 20 and 24 bits
  • INPUT DIGITAL ERRORS: Bi-Phase/Parity, Validity, Non-Linear PCM, DTS-CD Signal
  • RE-CLOCKING: Off, On
  • MODE: Pro, Consumer
  • INPUT CABLE EQ: Locked, Enabled
  • INPUT SELECT: DDA-106: 1, 2; DDA-212: 1, Bridge, 2
  • POWER: LED indicates power is applied
  • POWER: Internal Supply, 115/230VAC (selectable via internal jumper) ±10%, 50/60Hz, 10VA, IEC320 3 pin connector
  • SHIPPING SIZE: 20.5” W x 4“H x 11”D; 7.2 lbs.
  • WARRANTY: Limited, One Year Warranty