Radio Design Labs DB-TPS2A
Active Two-Pair Sender, Twist


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List Price: $204.20
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The Radio Design Labs D SERIES-TPS2A modules are two-pair audio sending modules compatible with RDL Format-A twisted pair products. These modules are designed to be mounted in wall boxes, cabinets or other enclosures that allow users to connect audio sources. The -TPS2A models mount in RDL WB-1U and WB-2U wall boxes, or in standard U.S. electrical boxes. The D-TPS2A features a white front-panel laminate with gray lettering that matches RDL Decora©-style remote controls. The DB-TPS2A features a black front-panel laminate. The DS-TPS2A is constructed of stainless steel to coordinate with RDL Decora-style stainless steel remote controls in commercial/industrial installations.


The D SERIES-TPS2A modules feature two RCA phono jack inputs, one for the left channel source and one for the right channel source. These inputs are designed to receive standard -10 dBV consumer level signals. The input signals are amplified using studio-quality preamplifiers optimized for normal operating levels. The buffered left and right inputs are routed to output cable pairs B and C.

These modules drive only two cable pairs, therefore they accept a signal and power from one mic-level or line-level Format-A single-pair sender. The D SERIES-TPR1A modules have a second RJ45 jack for an input cable. One single-pair sender may be chained with the -TPS2A. A single-pair sender must be set to feed pair A if it is connected together with the -TPS2A. The power pair and all three audio pairs are fed through both rear-panel RJ45 jacks.

The D SERIES-TPS2A may be powered directly from a 24 Vdc power supply using the detachable terminal block. Local power connected to the module is also fed to all connected remote modules. The -TPS2A 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.

RDL FORMAT-A features design simplicity, ease of installation, unsurpassed flexibility, automatic fused power, exceptional hum rejection, low noise, and low distortion - providing installers the optimum choice in economical twisted pair products.

Recommended Power Supply:
PS-24AX (International)

Radio Design Labs D-TPS2A Features:

  • Two Unbalanced -10 dBV Phono Jack Audio Inputs
  • Left (L) Input Feeds Pair B; Right (R) Feeds Pair C
  • Signal and Power Pair Pass-Through on RJ45 Jacks
  • Remote Powering through Twisted Pair Cable
  • Fused Local Power Feeds all Connected Modules
  • Local Power Input on Terminal Block
  • Blue LED Indicates Module is Powered
  • Daisy-Chain with Single-Pair Senders
  • Studio-Quality Precision Active Balanced Circuitry

Radio Design Labs D-TPS2A Specifications:

  • Inputs (2): 10 kOhm Unbalanced
  • Input Connection: RCA Phono
  • Input Level: -10 dBV Unbalanced; +10 dBV Maximum
  • Format-A Signal Pairs Used (2): B (Left); C (Right)
  • Gain: 12 dB
  • Format-A Input: RJ45 (not applicable to EM-)
  • Output: RDL TP Format-A
  • Output Connection: RJ45 (Models D-, DS-); DetachableTerminal Block (Model EM-)
  • Frequency Response: 20 Hz to 50 kHz (± 0.5 dB)
  • THD+N: < 0.05% (20 Hz to 50 kHz); <0.005% (1kHz)
  • Noise below +4 dBu: < -95 dB
  • Crosstalk: < 90 dB (1 kHz); < 75 dB (20 Hz to 20kHz)
  • Headroom above +4 dBu: > 18 dB
  • Indicator: Power In
  • Power Connections (2): Detachable Terminal Block; RJ45
  • Ambient Operating Environment: 0° C to 55° C
  • Power Requirement: 24 Vdc @ 65 mA plus connected loads
  • Dimensions: 1.6" (4.06 cm) W; 4.11" (10.45 cm) H;1.89" (4.8 cm) D
  • Mounting Box Minimum Depth: 2.4" (Models D-, DS-); 39mm (Model EM-)
  • Package Type: Cardboard Box
  • Package Dimensions: 3.625 x 4.625 x 2.125 in.
  • Shipping Weight: 0.385 lbs.
  • WEEE weight: 0.24 lbs.
  • Tariff code: 8517.18.0000
24 VDC 500mA Switching Power SupplyRadio Design Labs PS-24AS 24 VDC 500mA Switching Power Supply

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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