Products, RDL

RDL FP-BUC2
Balanced to Unbalanced Converter

The FP-BUC2 is the ideal choice for connectorized conversion from balanced to unbalanced audio. This module features two identical active (transformerless) channels. Gold contact XLR jacks are utilized for the balanced input channels. Each output is unbalanced, connected through a gold-plated phono…

RDL ST-VOX1
Audio Control, Vox Relay

The ST-VOX1 is an Audio Controlled Relay in the STICK-ON® series. When used in intercom or talkback applications, the ST-VOX1 may be triggered directly from an unbalanced microphone. In many such installations the microphone or other audio source must be preamplified, making the ST-VOX1 an…

RDL ST-DA3
1X3 Mono Distribution Amplifier

The ST-DA3 gives you the advantages of an audio distribution amplifier PLUS you can put it where you need it. The ST-DA3 allows bridging of any audio line, adjusting the gain, and driving up to three high or low impedance, balanced or unbalanced loads. The ST-DA3's wideband circuitry produces the…

RDL ST-RX2
Audio Routing Switcher

The ST-RX2 has a single line-level audio input and two line-level audio outputs. In the absence of a control input, the NORMAL module output is fed from the audio input. When the TRIG control terminal is connected to ground, the input audio is fed to the SELECT output and the NORMAL output is…

RDL STD-150
Divider / Combiner

Each STD module is a resistive branching network with RF filtering on each of the four channels. Any channel, A through D, may be either an input or an output. This permits combining stereo signals into mono inputs, splitting mono signals to multiple inputs, and even combining microphones with…

RDL ST-GCA3
Audio Gain Control Amplifier

This indispensable device constantly adjusts for changes in input levels, bringing up low levels and reducing gain for high levels to continuously maintain the correct output of your system. It features two switch-selectable modes to give you flexible control of most any sound level problem. Its…

RDL ST-TC1
Telephone System Coupler

The ST-TC1 is intended to be connected to an on-site telephone system switching unit KSU. It is NOT intended to be connected directly to a telephone CO line. Connections from the ST-TC1 go into the telephone switching unit as if the ST-TC1 was an incoming phone line.When the KSU seizes the line to…

RDL TX-J2
Unbalanced Input Transformer

The RDL TXJ2 is an unbalanced-to-balanced transformer with two unbalanced RCA inputs and one balanced screw terminal output.Features: • Mix two unbalanced audio signals to mono balanced • Combine stereo into mono with balanced output • Unbalanced to balanced conversion without gain…

RDL ST-MX2
2 Channel Mic/Line Mixer

The ST-MX2 is used in any application requiring mixing of two audio sources. A mic may be mixed with a line-level music source. Two mics may be mixed to feed the mic or line level input of a power amplifier. A mic or professional +4 dBu line-level mono sum is possible. It may be used to convert…

RDL TX-HRA3
3 unit rackmount for TX series

The TX-HRA3 rack mounts 3 TX modules. This adapter fits 10.4" racks.

RDL STP-1
Dual Attenuator

The STP-1 is a pair of convenient attenuator pads that can be located at the precise location that attenuation is needed. The low-cost STP-1 eliminates the costly labor of figuring and assembling fixed pads. Multi-turn trimmers in the STP-1 permit precise adjustment of levels without the need to…

RDL DDB-BN22
Bi-Directional Mic/Line Dante Interface 2 x 2 w/PoE - Black

The DDB-BN22 is a complete wall-mounted Dante audio network interface. It features two XLR mic or line inputs and two XLR mic or line outputs on the front panels. Special software is not required to configure the DDB-BN22. Each XLR input provides three switches that may be set from the front of the…

RDL TX-1A
Line Transformer

The TX1A provides transformer isolation between balanced line and unbalanced input, and sports a level trim pot that adjusts output 4 to 24 dB below input level. Input may be 10 k ohms bridging or 600 ohms terminated. It boasts a frequency response of 20 Hz to 20 kHz (+/- 0.5 dB) and < 0.05% (1…

RDL HD-PA35A
35 Watt Audio Power Amplifier - 25 V, 70 V, 100 V Outputs

The HD-PA35A is a single input audio amplifier for systems demanding high energy efficiency. It may be used as a single zone amplifier fed from a variety of RDL or OEM mixers. It is ideal for providing one or more additional zones to a mix originating from another RDL HD series mixer amplifier. The…

RDL ST-GSP1
Gated Speech Preamplifier

The ST-GSP1 is a gated speech preamplifier designed to be used in a variety of situations where it is desired to produce an automatically switched line-level signal from a microphone. This module may be used in conjunction with other RDL modules to configure automatic mixing systems or may be used…

RDL FP-PEQ3
3 Band EQ

The FP-PEQ3 is the ideal choice in many applications where parametric equalization or acoustic notch filtering is needed. The FP-PEQ3 is a single-channel module featuring three identical independent filters. Each filter has separately adjustable FREQUENCY, BOOST/CUT amplitude, and bandwidth (BW)…

RDL STM-2
Mic Preamp

The STM-2 is a quality low-noise microphone preamplifier designed for use in commercial sound, broadcast, and recording. The STM-2 is very flexible, with gain adjustment from 35 to 65 dB, two balanced or unbalanced outputs, and available phantom supply input. Its ultra-low distortion and lownoise…

RDL SF-UCB2
Under Counter Bracket Pair for SysFlex Products

Under counter bracket pair for SysFlex products.Main Features:• Brackets Fasten to SysFlex Case for Easy Alignment • SysFlex Product Secures Quickly Using Four Screws • Brackets Fasten to Underside of Counter or Shelf

RDL ST-NG1
White & Pink Noise Generator

The ST-NG1 is the ideal choice where random white or pink noise is needed. It is suitable either as a reference noise source for audio measurements or as a masking noise source in engineered sound or counter-intelligence applications.Amplitude limiting circuitry in the ST-NG1 controls extreme peak…

RDL ST-VP1
Voice Over Module

The ST-VP1 is intended for voice-over paging with user adjusted and controlled FADE or CUT between two input sources. This unit is also perfect for voice-overs where precise and consistent fade levels are required. Automatic operation can be achieved when used in conjuction with RDL´s® ST-ACR…

RDL HR-MCP2
Dual Channel Mic Compressor

The Radio Design Labs HR-MCP2 dual-channel microphone compressor offers full studio-quality low-noise performance at any gain setting while delivering a consistent audio output level over wide variations (up to 25 dB) in the microphone input level. Rear-panel switches let you set each output to mic…

RDL FP-PA20
Audio Power Amplifier 8 OHM Output

The FP-PA20 features a balanced line level input that may be connected unbalanced. A front panel gain control is designed to be adjusted either manually or with a trimming screwdriver. The gain range will accommodate standard unbalanced levels as well as professional balanced levels. The output…

RDL RU-MLD4
1X4 Mic/Line Distribution Amp

The RU-MLD4 is a four channel audio distribution amplifier. The input and all four outputs may be connected through the front-panel XLR jacks or on the rear panel detachable terminal blocks. The input accepts either a balanced microphone or line level signal. Each of the four outputs provides…

RDL DDB-BN2M
Bi-Directional Mic/Line Dante Interface 2 x 2 w/PoE - Black

The DDB-BN2M is a complete wall-mounted Dante audio network interface. It features two XLR mic or line inputs on the front panels, plus two line outputs on a rear-panel detachable terminal block. Special software is not required to configure the DDB-BN2M. Each XLR input provides three switches that…

RDL HD-HRA1
1 unit rackmount for HD series

Mounts 1 HD series product. Mixer amplifiers may be mounted forward for user control, or may be recessed securely behind a filler panel. This adapter fits 10.4" racks.