Radio Design Labs TX-TPS1A
Active Single-Pair Sender


Our Price: $142.48
List Price: $168.17
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Radio Design Labs' TX-TPS1A is a single-pair audio sending module compatible with RDL Format-A twisted pair products. One line-level source may be connected to the module using either the -10 dBV unbalanced RCA phono jack or the +4 dBu balanced detachable terminal block. A studio-quality buffer amplifier feeds the RJ45 OUTPUT at the correct operating level.

The TX-TPS1A is a single-pair sender, feeding the input signal to the cable pair set on the front-panel switch during installation. This module drives only one cable pair, therefore a LOOP IN RJ45 jack is provided to accept signals and power from other mic-level or line-level Format-A senders. Two other single-pair senders may be chained to the LOOP IN jack, or a single two-pair sender may be connected. If three single-pair senders are connected together, each sender must feed a different pair: A, B or C. The TX-TPS1A must be set to feed pair A if it is connected together with an RDL two-pair sender that feeds stereo audio on pairs B and C.

The TX-TPS1A may be powered directly from a 24 Vdc power supply using either the power jack or the detachable terminal block. Local power connected to the module is also fed to all modules connected to the LOOP IN and OUTPUT RJ45 jacks. The TX-TPS1A may be remotely powered through the twisted pair cable from any other module, signal distributor or RDL power inserter connected to the same twisted pair cable. Module power is indicated by a front-panel LED.

Radio Design Labs TX-TPS1A Features:

  • Single -10 dBV Unbalanced or +4 dBu Balanced Input
  • Phono Jack and Detachable Terminal Block Inputs
  • Switch Selects which RJ45 Pair (A, B or C) is Fed
  • Signal and Power Pair Pass-Through from LOOP IN Jack
  • Powered Locally or Remotely through RJ45 Jack
  • Fused Local Power Feeds all Modules Connected to RJ45s
  • Local Power Input on Terminal Block or dc Power Jack
  • Blue LED Indicates Module is Powered
  • Daisy-Chain with Single-Pair or Two-Pair Format-A Senders
  • Studio-Quality Precision Active Balanced Circuitry

Radio Design Labs TX-TPS1A Specifications:

  • Inputs (2):
    • 20 kOhm balanced
    • 10 kOhm unbalance
  • Input Connection:
    • Terminal Block (Bal.)
    • Phono Jack (Unbal.)
  • Input Level: +4 dBu Bal.; -10 dBV Unbal.; +22 dBu Max
  • Format-A Signal Pair Used: Switch-selectable A, B, or C
  • Format-A Input: RJ45 LOOP IN
  • Output: RDL TP Format-A
  • Output Connection: RJ45
  • Frequency Response: 10 Hz to 50 kHz (± 0.1 dB)
  • THD+N: < 0.005%
  • Noise below +4 dBu: < 90 dB
  • Headroom above +4 dBu: > 18 dB
  • CMRR: > 60 dB (50 Hz to 150 Hz)
  • Indicator: Power In
  • Power Connections (3):
    • Power Jack
    • Detachable Terminal Block
    • RJ45
  • Ambient Operating Environment: 0° C to 50° C
  • Power Requirement: 24 Vdc @ 35 mA plus connected loads
  • Dimensions:
    • 3.0" (7.6 cm) W
    • 1.6" (4.08 cm) H
    • 2.09" (5.3 cm) D
  • Package Type: Cardboard Box
  • Package Dimensions: 2 x 2 x 4 in.
  • Shipping Weight: 0.46 lbs.
  • WEEE weight: 0.4 lbs.
  • Tariff code: 8517.18.0000
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Radio Design Labs' PS-24AS is a 24 Vdc switching power supply with a North American AC plug.  500 mA, dc plug.Specifications: Input: 100 to 240 VACOutput: 24 Vdc, 500 mA (UL, CSA)Dimensions: 1.65" x 2.75" x 1.45" (4.2 x 7 x 3.7 ...

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