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The DB-TPS1A Single Pair RJ45 Sender Module from RDL is a single-pair audio sending module compatible with RDL Format-A twisted pair products. The DB-TPS1A features a black front-panel laminate. The DB-TPS1A module features an XLR microphone input. The module provides IEC 24 V phantom and accepts input signals from both dynamic and condenser microphones. The input signal is amplified using a studio-quality microphone pre-amplifier optimized for normal operating levels. The rear-panel gain switch is normally set by the installer for Norm (normal) gain. If consistently low microphone levels are expected, this switch may be set to the High gain position. The pre-amplified microphone source is routed to one output cable pair selected during installation using a rear-panel switch.
This module drives only one cable pair, and therefore accepts signals and power from other mic-level or line-level Format-A senders. The DB-TPS1A module has a second RJ45 jack for these input cables. Two other single-pair senders may be chained with the DB-TPS1A, 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 DB-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 power pair and all three audio pairs are fed through both rear-panel RJ45 jacks.
The DB-TPS1A can be powered directly from a 24 VDC power supply using the rear-panel detachable terminal block. Local power connected to the module is also fed to all connected remote modules. The DB-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.
Balanced microphone XLR input with phantom
Switch-selectable Mic gain on rear panel
Switch selects which RJ45 pair (A, B, or C) is fed
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 or two-pair senders
Studio-Quality Precision Active balanced circuitry
In the Box
RDL DB-TPS1A Single Pair RJ45 Sender Module (Black)
Limited 3-Year Warranty
Table of Contents
1.2 kOhms balanced with 24 VDC phantom (IEC 61938: 2013)
XLR Format A Single Pair Used: Switch-selectable A, B, or C Format A Output: RJ45
45 dBu Mic or +4 dBu Line Level, Switch-selectable on rear panel RDL TP Format-A
100 Hz to 30 kHz (± 1 dB); integral low-cut filter -10 dB @ 30 Hz
THD & Noise
< 0.1% (80 Hz to 20 kHz)
Below +4 dBu: < -80 dB (NORM Gain) < -70 dB (HIGH Gain)
HAbove +4 dBu: > 18 dB
> 60 dB (HIGH Gain 50 to 150 Hz) > 65 dB (NORM Gain 50 to 150 Hz)