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Radio Design Labs RDL-FP-TPX3A Format-A Twisted Pair Remote Controlled Mixer

MSRP: $666.04
$512.34
Availability: In stock
SKU: TCNCD375538

The FP-TPX3A is the ideal choice where a user-accessible mixer must control the volume of multiple sources in a zone. RDL Format-A twisted pair audio senders connect directly to the mixer, allowing each user input to be balanced or unbalanced, mic or line level. FP TPX3A outputs are provided in balanced and unbalanced formats. Remote control of the mixer allows audio signals to be kept at a single equipment location. Audio is mixed by VCA circuits that are adjusted by control signals from the remote control.

The AUDIO LED illuminates whenever audio is present at the output of the mixer, defined as greater than 35 dB below +4 dBu. This threshold triggers the AUDIO DETECT OUTPUTS. Two open collectors are provided on a detachable terminal block. One of these terminals switches low when audio is present, and may be used to switch amplifiers or other system components on. The other terminal is pulled low when audio is not present. It is intended for muting the digital carrier of power amplifiers equipped for remote muting. Either of these terminals may be used to trigger a variety of other RDL modules or OEM equipment. The use of these terminals to shut down unused equipment can produce effective system energy and cost savings. These control terminals normally remain triggered for 10 minutes after audio is absent. The delay can be increased to 20 minutes using a Ground jumper on the terminal block.

The mixer levels are set by RDL remote controls that connect directly to the FP-TPX3A through an RJ45 jack using standard twisted pair cable. The control ports on the mixer and remote controls are color-coded light blue to distinguish them from standard Format-A jacks. The mixer provides power to the remote control. Either a two or three channel remote control may be used. If remote mixing of only two channels is needed, a two channel remote may be used. Pair C becomes the input channel that is not remotely controlled. The PAIR C/LOCAL INPUT can be left active at unity gain, typically for a paging source, or may be disabled by a switch set during installation. If the cable connected to the remote control becomes disconnected, the mixer output mutes.

Features
  • 3-Channel Remote-Controlled Audio Mixer
  • VCA Level Control for Each Input Pair
  • Format-A Twisted Pair Inputs
  • One Detachable Balanced and Two RCA Unbalanced Mono Outputs
  • Twisted Pair Interconnection to Remote Control
  • Directly Controlled by RDL Remote Controls with 2 or 3 channels
  • Paging Source May Connect to Local Input
  • Front-Panel Gain Trim Matches Active or Passive Format-A Senders
  • Dual-LED VU Meter Displays Mixer Output Level
  • Audio Presence Detector Controls Open-Collector Outputs
  • Detector Outputs Intended to Enable Power Amplifiers or System Power
  • Energy Savings Possible Using Detector Outputs
  • Selectable 10 or 20 Minute Detector Release Delay
Specifications
  • Inputs (3): RDL FORMAT-A; Balanced line level
  • Input Connections: RJ45 (FORMAT-A); Detachable Terminal Block (Pair C)
  • Frequency Response: 20 Hz to 20 kHz (± 0.25 dB)
  • Power Requirement: 24 Vdc @ 120 mA plus connected FORMAT-A sender currents
  • Weight: 1.18 lbs
Products specifications
Attribute name Attribute value
MPN RDL-FP-TPX3A