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Radio Design Labs TXMX2R
Audio Mixer/Distribution Amp

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Radio Design Labs TXMX2R

The TX-MX2R is the ideal choice in installations requiring the active, isolated mixing of two unbalanced line-level audio sources to feed either one or two unbalanced destinations.

The input circuits are high-impedance, line-level (-10 dBV) and are each isolated from each other. Therefore the modules may be used to bridge an unbalanced stereo source without affecting the stereo separation. Each output from the TX-MX2R is a mono mix of the stereo signal. Normally, the gain trimmers are set to unity gain. If either channel is low, the gain of that channel may be adjusted up to 6 dB.

The TX-MX2R may also be used to mix two separate sources into a single output. The mixing circuit in the module is an active summing amplifier.

The output driver provides two separate, identical output signals from the input signal or signals. This output distribution amplifier therefore allows the TX-MX2R to be used as a two-output audio distribution amplifier. If it is desired to distribute a single source to two destinations, one of the inputs may be left unused without any loss of performanc

Features:

  • Mix 2 unbalanced mono signals
  • Combine stereo into mono
  • Gain trim for each input
  • Two active isolated outputs from the input signal (s)
  • Isolation between inputs
  • High-Quality unbalanced audio

Typical Performance:

  • Inputs (2): -10 dBV
  • Input Impedance: 10 k-ohms
  • Noise: < -75 dB (referenced to -10 dBV)
  • THD+N: < 0.05% (0.01% typical)
  • Frequency Response: 25 Hz to 45 kHz (+/- 0.5 dB);  15 Hz to 70 kHz (+/- 1 dB)
  • Gain (per channel): Unity to +6 dB nominal (adjustable)
  • IMD: 0.01% typical
  • Outputs (2): 100 ohms unbalanced, -10 dBV to drive low or high impedance unbalanced lines
  • Headroom: > 27 dB (24 Vdc supply);  > 18 dB (12 Vdc supply)
  • Power Requirement: GROUND-REFERENCED, 12 to 33 Vdc @ 10 mA

 

TMGR# TXMX2R

Mounting Kit for STICK-ON, TX, or Rack-Up module
Radio Design Labs MB1-RDL
Mounting Kit for STICK-ON, TX, or Rack-Up module

Two mounting brackets mounts a STICK-ON, TX, or Rack-Up module to a flat surface.

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Mounting Kit for RU and TX Series
Radio Design Labs MB2-RDL
Mounting Kit for RU and TX Series

MB-2 pair mounts a RACK-UP or TX module above or below a surface.

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Kit to Mount ST, TX Series Modules on FP Panel
Radio Design Labs MB3-RDL
Kit to Mount ST, TX Series Modules on FP Panel

TX or STICK-ON Module fastens to MB-3 which slides into FP-RRA/H track.

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Mounting Frame for Stick/TX
Radio Design Labs SR4
Mounting Frame for Stick/TX

The SR-4 is a universal module chassis that can mount to a backboard, wall or nearly any other support. It provides mounting for 4 STICK-ON power amplifiers or 7 standard STICK-ON modules. TX ™ modules may also be mounted. There is ample ...

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Utility Chassis, Single
Radio Design Labs UC1
Utility Chassis, Single

The UC-1 is an ULTRASTYLE design tabletop chassis for mounting RDL modules and accessories. The front panel features a single RACK-UP mounting bay. The rear panel has an identical mounting bay and is supplied with matching filler panels. ...

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Din Rail Adaptor for TX Module
Radio Design Labs DRA-35T
Din Rail Adaptor for TX Module

The DRA-35T provides mounting for any RDL® TX or MAX TX module to a DIN rail. The unique design allows mounting TX modules in a rack, cabinet or anywhere else DIN rail mounting of TX modules is desired.

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Pole Mount Tray for RDL Module
Radio Design Labs PM-1T
Pole Mount Tray for RDL Module

The PM-1T is a tray that mounts above a projector using a standard (1.5" I.D.) round projector pole or any smaller round or rectangular pole. The tray accommodates up to two FP-PA20 Audio Power Amplifiers (for stereo operation) and two ...

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FP-PA20A and PS Pole Mnt Adptr
Radio Design Labs PM-1V
FP-PA20A and PS Pole Mnt Adptr

The PM-1V vertically mounts any FLAT-PAK series module to a standard (1.5” I.D.) round projector pole or to any smaller round or rectangular pole.

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Pole mount Adapter for FP-PA20
Radio Design Labs PM20H
Pole mount Adapter for FP-PA20

The RDL PM20H horizontal pole mount adapter is designed for the FP-PA20 and PS-24U2. It may also be used for STICK-ON or TX modules.

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Pole mount Adapter for FPPA20
Radio Design Labs PM20V
Pole mount Adapter for FPPA20

The PM-20V vertically mounts an FP-PA20 type amplifier module and a PS-24U2 to a standard (1.5” I.D.) round projector pole or to any smaller round or rectangular pole. STICK-ON and TX series modules may also be mounted. Extra cabling can ...

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19" Rack Adapter for TX Series
Radio Design Labs TXRA5
19" Rack Adapter for TX Series

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