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Radio Design Labs

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    • RDL HR-DDA4 Digital Audio Distributor - 1x4

      RDL HR-DDA4 Digital Audio Distributor - 1x4

      The 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 optical, S/PDIF coaxial, AES-3ID or AES/EBU. The input is decoded, reclocked and retransmitted to four individually buffered outputs. Front-panel LEDs display the digital audio format and sample rate of a valid source...

       

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      Item #: HR-DDA4

      Availability: Usually ships in 3-10 business days

      Our Price: $620.95

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    • RDL DDS-BN22 Wall-Mounted Bi-Directional Mic/Line Dante Interface 2 x 2

      RDL DDS-BN22 Wall-Mounted Bi-Directional Mic/Line Dante Interface 2 x 2

      The DDS-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 DDS-BN22. Each XLR input provides three switches that may be set from the front of the unit when the cover plate is not installed. One switch enables or disables P48 phantom; the second switch selects the mic or line gain range; the third switch sets the gain. Each XLR output provides...

       

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      Item #: RDL-DDS-BN22

      Availability: Usually ships in 3-10 business days

      Our Price: $584.89

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    • RDL PT-AMG2 Portable Audio Signal Generator & Monitor

      RDL PT-AMG2 Portable Audio Signal Generator & Monitor

      This portable audio instrument is comprised of a precision audio oscillator, precision level meter and speaker. The 700 Hz oscillator section features two outputs. The balanced XLR output is front-panel switch selectable for MIC or LINE level (pro level). The unbalanced output operates at -10 dBV (consumer). Output stability is suited to accurate bench top audio testing. The audio metering circuit features two inputs, an LED meter and a monitor speaker. The balanced input is front-panel switch...

       

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      Item #: PT-AMG2

      Availability: Usually ships in 3-10 business days

      Our Price: $295.95

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    • RDL TX-J2 Unbalanced Input Transformer

      RDL TX-J2 Unbalanced Input Transformer

      The RDL TX-J2 Unbalanced Input Transformer is part of Radio Design Labs TX Series and features unbalanced stereo inputs to summed balanced mono output. TX Series modules are application-specific modules for the A/V and related industries. Many TX modules offer galvanic transformer isolation. Module functions include signal detection, switching, amplification, format conversion, line driving, mixing, distribution, twisted-pair sending/receiving and more. Each TX is a compact module...

       

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      Item #: TX-J2

      Availability: In Stock

      Our Price: $57.49

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    • RDL PS-24AS 500mA AC/DC Power Supply For Stick-Ons & Rack Ups

      RDL PS-24AS 500mA AC/DC Power Supply For Stick-Ons & Rack Ups

      Unit powers multiple, similar Stick Ons and Rack-Ups. Call our Tech Support for compatibility of non similar units.

       

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      Item #: PS24V

      Availability: In Stock

      Our Price: $27.99

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    • Radio Design Labs FP-MR2 Message Repeater

      Radio Design Labs FP-MR2 Message Repeater

      The FP-MR2 is a message repeater that permits electronic storage of a single recording up to one minute forty seconds in duration. This message may be played back manually using an external contact closure to ground or using the front-panel START button. The message may also be played back periodically using the interval timer included in the FP-MR2. A balanced line-level music input allows background music to be connected and the associated input potentiometer allows the installer to set the music...

       

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      Item #: RDL-FP-MR2

      Availability: Usually ships in 3-10 business days

      Our Price: $285.49

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    • RDL FP-UBC6 Unbalanced to Balanced Converter - 6 Channel

      RDL FP-UBC6 Unbalanced to Balanced Converter - 6 Channel

      The FP-UBC6 is the ideal choice for multiple channel connectorized conversion from unbalanced to balanced audio. This module features six identical channels, making it ideally suited to converting consumer 6-channel surround sound into the professional audio format. Each input channel is unbalanced, connected through a gold-plated phono jack. Each output is balanced. All outputs are connected through XLR jacks with gold-plated pins. A gain trim potentiometer is provided for each channel. The...

       

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      Item #: FP-UBC6

      Availability: In Stock

      Our Price: $370.49

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    • RDL ST-LCR3 Logic Controlled Relay - Dual Alternate Pulse

      RDL ST-LCR3 Logic Controlled Relay - Dual Alternate Pulse

      The ST-LCR3 is ideally suited to applications where momentary pulses are needed from a single control signal. The module provides a momentary pulse when a logic signal at its input first becomes active. A separate momentary pulse is provided when the logic signal at the module input becomes inactive. Two logic inputs are available on the ST-LCR3. Either of these inputs may be used. Terminal 1 is internally pulled high to +5 Vdc. This input becomes active when an external closure or open-collector...

       

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      Item #: ST-LCR3

      Availability: In Stock

      Our Price: $121.49

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    • RDL ST-PA6 6 W Mono Audio Amplifier - 8 Ohm

      RDL ST-PA6 6 W Mono Audio Amplifier - 8 Ohm

      The ST-PA6 represents the second generation of RDLs breakthrough in the traditional power vs. size ratio. Present technology permits features and performance at the most economical cost ever. The ST-PA6 offers 6 watts of power for a price you would expect to pay for 3 watts. The ST-PA6 features two balanced audio inputs, a gain control, equalization control and an 8 Ohm output. The output is designed to deliver a clean 6 watts RMS into an 8 Ohm speaker. Each input is a balanced bridge, with the...

       

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      Item #: ST-PA6

      Availability: Usually ships in 3-10 business days

      Our Price: $94.49

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    • RDL EZ-PA20 20 Watt Stereo Audio Power Amplifier

      RDL EZ-PA20 20 Watt Stereo Audio Power Amplifier

      The EZ series offers unparalleled flexibility. Each unit is fully labeled on the front and rear for use either as a finished product or as a utility module. Installation of multiple products is quick and easy using the comprehensive range of EZ rack mounts, chassis, bezels, drawers and accessories. High quality full-size switches, long life controls, quality connectors, solid-state audio and video switching, gold plating and superior engineering combine to make EZ the best value in the industry....

       

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      Item #: EZ-PA20

      Availability: Usually ships in 3-10 business days

      Our Price: $128.49

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    • RDL RU-VSX4 Video Switcher - 4x1 - BNC

      RDL RU-VSX4 Video Switcher - 4x1 - BNC

      The RU-VSX4 is the ideal choice in most applications where four video signals need to be switched to a single output. The RU-VSX4 has two rear panel-jacks for each of the four video bridging input stages. One jack is for the input signal; the other is a loop-through output of the source signal. If 75 Ohm termination of the input signal is required, the terminator (provided) is plugged onto the LOOP OUT jack. The output video signal is 75 Ohm back-terminated to provide unity gain into a 75 Ohm terminated...

       

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      Item #: RU-VSX4

      Availability: Usually ships in 3-10 business days

      Our Price: $339.49

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    • RDL ST-DA3 Line Level Distribution Amplifier - 1x3

      RDL ST-DA3 Line Level Distribution Amplifier - 1x3

      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 unsurpassed pure clarity, low-distortion and low-noise for which RDL products are known. The ST-DA3 features RDL's SupplyFlex power input configuration. The module will operate directly from floating...

       

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      Item #: ST-DA3

      Availability: In Stock

      Our Price: $136.95

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    • RDL TX-MX2R Audio Mixer / Distribution Amplifier

      RDL TX-MX2R Audio Mixer / Distribution Amplifier

      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...

       

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      Item #: TX-MX2R

      Availability: Usually ships in 3-10 business days

      Our Price: $78.49

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    • RDL STM-2 Adjustable Gain Microphone Preamplifier - 35 to 65 dB Gain

      RDL STM-2 Adjustable Gain Microphone Preamplifier - 35 to 65 dB Gain

      The RDL 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 low noise performance make it the best choice, even when larger preamps could be used. The STM 2 supply input is single ended and operates from 24 Vdc. Operation from 12 Vdc is possible...

       

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      Item #: STM-2

      Availability: In Stock

      Our Price: $139.95

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    • RDL DDS-BN31 Wall-Mounted Bi-Directional Mic/Line Dante Interface 4 x 4

      RDL DDS-BN31 Wall-Mounted Bi-Directional Mic/Line Dante Interface 4 x 4

      The DDS-BN31 is a complete wall-mounted Dante audio network interface. It features two XLR mic or line inputs, one stereo Mini-jack line input and one stereo Mini-jack line output on the front panels, plus two line outputs on a rear-panel detachable terminal block. Special software is not required to configure the DDS-BN31. Each XLR input provides three switches that may be set from the front of the unit when the cover plate is not installed. One switch enables or disables P48 phantom for...

       

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      Item #: RDL-DDS-BN31

      Availability: Usually ships in 3-10 business days

      Our Price: $617.79

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    • RDL RU-MLB4 Mic/Line Bi-Directional Network Interface

      RDL RU-MLB4 Mic/Line Bi-Directional Network Interface

      The RU-MLB4 modules are Dante audio network interface products compatible with microphones and line-level audio equipment inputs and outputs. These modules are designed to be mounted in equipment racks, closets, conference tables and on shelves or backboards in commercial/industrial installations. APPLICATION: The RU-MLB4 is a high quality converter that provides professional line-level outputs from four Dante network received audio channels. It also converts four professional or consumer line-level...

       

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      Item #: RDL-RU-MLB4

      Availability: In Stock

      Our Price: $582.20

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    • RDL EZ-AFC2 Stereo Balanced to Unbalanced Audio Format Converter

      RDL EZ-AFC2 Stereo Balanced to Unbalanced Audio Format Converter

      The RDL EZ-AFC2 is a stereo bi-directional audio format converter with level controls. Conversion is provided between balanced rear-panel XLR jacks and unbalanced front-panel RCA jacks. LED VU metering is provided for all audio channels facilitating adjustment for high or low input levels. The bi-directional format allows the EZ-AFC2 to fully convert the stereo input and stereo output of a consumer audio product to professional balanced standards. The EZ-AFC2 is used in houses of worship, studios,...

       

      2 Power Supplies Available

      Item #: EZ-AFC2

      Availability: Usually ships in 3-10 business days

      Our Price: $188.95

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    • RDL ST-MX2 2 Channel Audio Mixer - Microphone or Line Input and Output

      RDL ST-MX2 2 Channel Audio Mixer - Microphone or Line Input and Output

      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 mono line‑level signals from consumer to professional, or from professional to consumer format. It may also be used as a microphone preamplifier, or conversely to adapt unbalanced...

       

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      Item #: ST-MX2

      Availability: In Stock

      Our Price: $132.49

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    • RDL TX-LC2 Unbalanced to Balanced Line Combiner

      RDL TX-LC2 Unbalanced to Balanced Line Combiner

      The TX-LC2 is the ideal choice in installations requiring the active, isolated mixing of two unbalanced line-level audio sources to feed a balanced (or unbalanced) audio line. 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. The output from the TX-LC2 is a mono mix of the stereo signal. Gain of the combined signals is adjustable from...

       

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      Item #: TX-LC2

      Availability: In Stock

      Our Price: $93.95

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    • RDL EZ-MPA2 Stereo Output Dual Microphone Preamplifier

      RDL EZ-MPA2 Stereo Output Dual Microphone Preamplifier

      The EZ series offers unparalleled flexibility. Each unit is fully labeled on the front and rear for use either as a finished product or as a utility module. Installation of multiple products is quick and easy using the comprehensive range of EZ rack mounts, chassis, bezels, drawers and accessories. High quality full-size switches, long life controls, quality connectors, solid-state audio and video switching, gold plating and superior engineering combine to make EZ the best value in the industry....

       

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      Item #: EZ-MPA2

      Availability: In Stock

      Our Price: $178.95

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    • RDL STA-2A Dual High Gain Line Amplifiers

      RDL STA-2A Dual High Gain Line Amplifiers

      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 output line driver circuits are designed to drive long balanced audio lines into 600 Ω loads. The STA‑2A features wideband circuitry for excellent phase response, low...

       

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      Item #: STA-2A

      Availability: In Stock

      Our Price: $145.25

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    • RDL ST-SX4 Unbalanced Audio Switcher - 4x1

      RDL ST-SX4 Unbalanced Audio Switcher - 4x1

      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 between the CTRL input and ground causes the desired input to be switched on. The necessary external resistors are supplied with the ST-SX4. The ST-SX4 may be remote controlled using the RC4-ST remote...

       

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      Item #: ST-SX4

      Availability: Usually ships in 3-10 business days

      Our Price: $99.95

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    • RDL SF-NL2 Two Dante Channel to Two Balanced Analog XLR Audio Network Interface

      RDL SF-NL2 Two Dante Channel to Two Balanced Analog XLR Audio Network Interface

      The RDL SF-NL2 is a line-level interface that converts two Dante network audio channels to two balanced audio outputs on XLR connectors. Each channel provides +4 dBu balanced for a network digital audio level of -20 dBFS. Each output is equipped with a selector to set the output to line level or attenuate the output by 50 dB to mic level. Special software is not required to configure the module. The SF-NL2 is a professional grade product for studio quality fidelity and low noise...

       

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      Item #: RDL-SF-NL2

      Availability: Usually ships in 3-10 business days

      Our Price: $339.35

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    • RDL HR-UDC1 Universal Digital Audio Converter AES/EBU - SPDIF

      RDL HR-UDC1 Universal Digital Audio Converter AES/EBU - SPDIF

      The RDL HR-UDC1 is the ideal choice in installations where digital audio signals must be converted between consumer and professional formats. The input and output support AES/EBU, S/PDIF and AES-3ID formats. The HR-UDC1 automatically detects a valid input on any of the four input jacks: S/PDIF optical, S/PDIF coaxial, AES-3ID or AES/EBU. The input is decoded, re-clocked and retransmitted to the output. All pro/consumer, emphasis, and sampling frequency bits common to both S/PDIF and AES/EBU standards...

       

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      Item #: HR-UDC1

      Availability: Usually ships in 3-10 business days

      Our Price: $480.49

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    • RDL RU-MLB2 Mic/Line Bi-Directional Network Interface

      RDL RU-MLB2 Mic/Line Bi-Directional Network Interface

      The RU-MLB2 modules are Dante audio network interface products compatible with microphones and line-level audio equipment inputs and outputs. These modules are designed to be mounted in equipment racks, closets, conference tables and on shelves or backboards in commercial/industrial installations. APPLICATION: The RU-MLB2 is a high quality converter that provides professional line-level outputs from two Dante network received audio channels. It also converts two professional or consumer line-level...

       

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      Item #: RDL-RU-MLB2

      Availability: Usually ships in 3-10 business days

      Our Price: $464.50

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      The concept of Application-Specific-Modules was first introduced by RDL more than twenty years ago - a concept promoting unsurpassed value and performance. As the inventor of Application-Specific-Modules, RDL continues to lead the industry with their solutions to specific problems as well as building blocks of quality audio/video system designs. Markertek is the largest in-stock source for Radio Design Labs Products.

      Markertek is an authorized dealer for the entire Radio Design Labs line. If you don't see what you're looking for, contact us and we'll do our best to get it for you.

       
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