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  • Products (23)

Products, Switchers and Routers, Podcasting Packages, Microphone Accessories, Test & Service Equipment, Podcasting, Interfaces and Routers, Broadcast, RDL

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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…

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$161.04

$114.78

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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…

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$86.33

$61.54

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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…

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List Price

$223.69

$159.43

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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…

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$163.17

$116.30

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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…

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List Price

$202.11

$144.05

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RDL FP-MP1
Flat Rack Mic Preamp

The FP-MP1 is the ideal choice in most applications requiring a preamp. RDL's exclusive low-noise discrete circuitry produces studio quality low noise performance in an economical preamplifier. The XLR and plug-in terminal block connections make the FP-MP1 perfect for both rack-mounted hardwired…

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$349.73

$249.28

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RDL ST-OSC2A
Osillator, 1 KHZ/10 KHZ

Each of the ST-OSC2 products is a Dual Audio Oscillator. These products are designed for quick, convenient installation, and reliable operation in a variety of audio applications. The ST-OSC2 products feature RDL's SupplyFlex power input configuration. The module will operate directly from floating…

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$163.33

$116.42

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RDL ST-OSC2B
Oscillator 100 HZ/400 HZ

Each of the ST-OSC2 products is a Dual Audio Oscillator. These products are designed for quick, convenient installation, and reliable operation in a variety of audio applications. The ST-OSC2 products feature RDL's SupplyFlex power input configuration. The module will operate directly from floating…

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List Price

$163.33

$116.42

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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…

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$58.12

$41.43

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RDL HR-MP2
2 Channel Mic Preamp

The HR-MP2 is a dual channel microphone preamplifier with line-level outputs. Each section provides identical rear-panel signal connections and front-panel controls.Each preamplifier is equipped with a front-panel FILTER switch to enable or disable a 6 dB/octave low-cut filter with a -3 dB cutoff…

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List Price

$548.60

$391.03

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RDL STD-10K
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…

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List Price

$87.11

$62.09

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RDL HR-DDA4
Digital Audio Distributor

The Radio Design Labs HR-DDA4 is the ideal choice in installations requiring high quality distribution of a digital audio signal. The input and each of the four outputs support AES/EBU, S/PDIF or AES-3ID formats. The HR-DDA4 automatically detects a valid input on any of the four input jacks: S/PDIF…

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List Price

$988.12

$704.29

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RDL STD-600
600 OHM 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…

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List Price

$86.59

$61.71

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RDL STA-2A
High Output Line Amplifier

The STA-2A is a dual-channel, line-level audio preamplifier. Each channel is identical. The audio inputs are bridged at 20 kΩ and accept either an unbalanced or a balanced audio signal. Gain is adjustable from unity to +24 dB using a 25-turn precision audio taper trimming potentiometer. The…

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List Price

$242.24

$172.66

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RDL RU-MLA2T
Dual Mic/Line Preamp

The RDL RU-MLA2T is a dual channel audio preamplifier with inputs and outputs that can be connected through the front-panel XLR jacks or on the rear panel detachable terminal blocks. Each input accepts either a balanced microphone or line level signal. Each output provides either a microphone or…

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List Price

$638.94

$455.42

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RDL STM-3
Mic Preamp

The STM-3 is a quality low-noise microphone preamplifier designed for use in surveillance, commercial sound, broadcast, and recording where higher than normal gain is required. The STM-3 is very flexible, with gain adjustment from 45 to 75 dB, two balanced or unbalanced outputs, and available…

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List Price

$256.49

$182.82

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RDL RU-MLA2
Dual Mic/Line Audio Pre-amp

The RU-MLA2 is a dual channel audio preamplifier. The inputs and outputs may be connected through the front-panel XLR jacks or on the rear panel detachable terminal blocks. Each input accepts either a balanced microphone or line level signal. Each output provides either a microphone or line level…

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List Price

$406.65

$289.84

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RDL ST-SX4
4 Input Switcher

The ST-SX4 accepts up to four unbalanced audio sources. Any of these sources may be selected to feed the output, or all sources may be switched off. The output from the ST-SX4 is unbalanced. Control of the module is accomplished through a single input terminal. Connection of a specified resistance…

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$158.50

$112.97

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RDL FP-ALC1
Automatic Level Control Mono +4 Balanced

The FP-ALC1 is the ideal choice in many applications where consistent mono audio levels are needed from professional sources with varying audio output levels. Power connections are made using either the full-size barrier block or a dc power jack located in one end panel.The FP-ALC1 is a single…

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List Price

$346.30

$246.83

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RDL ACM-3
AM Noise Monitor

RDL's ACM technology is the only time-proven, industry accepted method of controlling Synchronous AM Noise (the elusive FM transmission bandwidth variations that aggravate multipath artifacts in listeners' receivers). Hundreds of top performing FMs in every major U.S. market turn to ACM technology…

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List Price

$1,257.45

$896.26

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RDL STM-1
Mic Preamp

The STM-1 is a low-cost quality microphone preamplifier designed for use in commercial sound and broadcast applications. The compact size makes it ideal where a larger or heavier preamp cannot be used. The high-performance circuit provides a fixed 50 dB gain to bring any mic-level signal up to the…

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$163.26

$116.37

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RDL STM-2X
Microphone Preamp

The STM-2X is the ideal choice in many installations where a microphone preamplifier is required, and is the ideal choice where either a toggle-type switch or push-to-talk switch is to be provided for microphone control, particularly if condenser microphones are used.Power Supply Not Included…

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List Price

$253.35

$180.58

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RDL FP-MPA2
Microphone Phantom Adaptor

The FP-MPA2 is the ideal choice in any applications where phantom power needs to be provided to powered microphones.Two identical circuits are provided, with connections through XLR jacks. The microphone is connected to the module through the female XLR jack. The selected phantom voltage is applied…

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List Price

$338.31

$241.13

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