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    555-STA-2 - RDL Two Channel High Output Line Amplifier

    Many audio products provide optimum performance when feeding a bridging input, but may not provide output needed to directly drive low impedance lines terminated with 600ohm transformers. Specifically designed for such installations, this is also ideal when high gain line level audio transmission is…

    Mfr Name: Radio Design Labs

    Mfr Number: STA-2A

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    $149.99

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    555-ST-MX3 - RDL Line Level Mixing Amplifier

    Line Level Mixing Amplifier The ST-MX3 is a line-level mixer module in the STICK-ON Series of products. It provides audio mixing of three line-level inputs with individual input gain adjustments. The line-level output is capable of driving either high or low impedance, balanced or unbalanced loads.…

    Mfr Name: Radio Design Labs

    Mfr Number: ST-MX3

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    $121.99

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    555-STM-2 - RDL Microphone Preamplifier

    Microphone Preamplifier The STM-2 is a low-noise microphone preamp 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…

    Mfr Name: Radio Design Labs

    Mfr Number: STM-2

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    $137.99

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    555-27690 - Network to Line Level Interface Dante

    Network to Line Level Interface The RU-NL2 modules are Dante audio network interface products compatible with line-level audio equipment inputs. These modules are designed to be mounted in equipment racks, closets, conference tables and on shelves or backboards in commercial/industrial…

    Mfr Name: Radio Design Labs

    Mfr Number: RU-NL2

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    In Stock

    $379.99

    (MSRP $517.62)
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    555-27620 - Format-A Bi-Directional Network Interface Dante

    …network interface products compatible with RDL Format-A twisted pair products. These modules are designed to be mounted in equipment racks, closets, conference tables and on shelves or backboards in commercial/industrial installations. The RU-BNF is an RDL Format-A sender/receiver that connects to a…

    Mfr Name: Radio Design Labs

    Mfr Number: RU-BNF

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    $559.99

    (MSRP $772.34)
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    555-18946 - Unbalanced To Balanced Line Combiner

    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.

    Mfr Name: Radio Design Labs

    Mfr Number: TX-LC2

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    In Stock

    $91.99

    (MSRP $124.71)
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    555-TX-70A - RDL 100/70/25V Line Input Interface

    * Matches a 100V, 70V or 25V speaker line to any unbalanced line level audio input * Perfect when adding powered subwoofers to existing 70V distributed systems. * Trimpot adjusts output level for various input vollput voline (Pantone) 150-Line (Pantone) utages/power levels * Frequency response:…

    Mfr Name: Radio Design Labs

    Mfr Number: TX-70A

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    On Backorder(Expected in 17 days)

    $39.99

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    555-STP-1 - RDL Universal Audio Attenuator

    Use to reduce the input level to a machine to improve headroom, feed a line level signal to a mic level input, or simply lower the level of an audio line to match standard system levels. Two-channel variable attenuator utilizes dual 15 turn potentiometers for precise, independent adjustment of each…

    Mfr Name: Radio Design Labs

    Mfr Number: STP-1

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    $59.99

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    555-ST-PA2 - RDL Two-Watt Utility Amplifier

    Utility Power Amplifier The ST-PA2 features a single, unbalanced audio input, a gain control, and two outputs. The first output is designed to deliver a clean 2 watts RMS into an 8 ohm speaker. The second output is intended to drive 600 ohm transformers, typically on equipment inputs. This makes the…

    Mfr Name: Radio Design Labs

    Mfr Number: ST-PA2

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    $65.99

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    555-ST-SSR1 - Bal/Unbal Line Level Audio Switch 2 In- 1 Out

    Bal/Unbal Line Level Audio Switch 2 In- 1 Out RDL Solid State Audio Relay, Frequency Response: 20 Hz~23 KHz, Power Requirements: 24~33 VDC, 40 mA, Features: Provides absolute

    Mfr Name: Radio Design Labs

    Mfr Number: ST-SSR1

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    In Stock

    $102.99

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    555-STA-1 - RDL Electronic Transformer Pair

    Perfect for any line amplification, impedance or balanced/unbalanced conversion, this two channel line amplifier features bridging inputs, adjustable gain (up to 20db), or attenuation, and low impedance outputs, which act as both an electronic line transformer and a line amplifier. True DC…

    Mfr Name: Radio Design Labs

    Mfr Number: STA-1

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    In Stock

    $142.99

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    555-ST-DA3 - RDL Distribution Amplifier

    …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.

    Mfr Name: Radio Design Labs

    Mfr Number: ST-DA3

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    In Stock

    $134.99

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    555-ST-PA6 - RDL Six-Watt Utility Amplifier

    Compact single-channel amplifier features two balanced audio inputs, with adjustable gain, and delivers 6W RMS to an 8ohm load. Since each input is mixed equally, it is perfect for monitoring a stereo line from a single speaker. Built-in equalization circuit provides adjustable 0~5dB gain at 60Hz,…

    Mfr Name: Radio Design Labs

    Mfr Number: ST-PA6

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    In Stock

    $91.99

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    555-ST-ACR2 - RDL Audio Controlled Relay

    Audio Controlled Relay The ST-ACR2 is an Audio Controlled Relay in the STICK-ONr series. These products are designed for quick, convenient installation, and reliable operation in a variety of control applications. The ST-ACR2 is designed to switch on line level sources.Two multiturn trimmers are…

    Mfr Name: Radio Design Labs

    Mfr Number: ST-ACR2

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    In Stock

    $99.99

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    555-PS-24K - RDL Power Supply - 1A

    Designed specifically for use with all RDL modules. All models are single ended, 24VDC output. Output current: 1A

    Mfr Name: Radio Design Labs

    Mfr Number: PS-24KS

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    In Stock

    $28.99

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    555-27695 - Network to Line Level Interface Dante

    Network to Line Level Interface The RU-NL2P modules are Dante audio network interface products compatible with line-level audio equipment inputs. These modules are designed to be mounted in equipment racks, closets, conference tables and on shelves or backboards in commercial/industrial…

    Mfr Name: Radio Design Labs

    Mfr Number: RU-NL2P

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    In Stock

    $424.99

    (MSRP $585.81)
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    555-ST-VOX1 - RDL Voice Activated Relay

    Versatile module accepts unbalanced line or mic level signal and provides switched DPDT contacts. An open collector output is also provided for slave units. Applications include converting PTT (push to talk) function to hands free, automatic muting and audio signal sensing for auto-power-on…

    Mfr Name: Radio Design Labs

    Mfr Number: ST-VOX1

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    In Stock

    $99.99

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    555-18928 - Balanced/Unbalanced Line Out 4 Ohm / 8 Ohm Input Interface

    4 Ohm / 8 Ohm Input Interface The TX-8A is the ideal choice in many applications requiring superior quality transformer coupling between the output of a 4 or 8 Ohm power amplifier and the input of an audio mixer or amplifier. A front-panel LEVEL control allows the output to be adjusted for -10 dBV…

    In Stock

    $64.99

    (MSRP $88.04)
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    555-18922 - Voice-Over / Paging Module

    Voice-Over / Paging Module - Manual 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…

    Mfr Name: Radio Design Labs

    Mfr Number: ST-VP1

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    In Stock

    $129.99

    (MSRP $177.13)
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    555-18954 - Paging Controlled Relay

    Paging Controlled Relay The TX-PCR1 is the ideal choice in many applications where switching needs to be controlled from a constant-voltage amplified audio source. The module will trigger on any program material, with paging sources being the most common. The TX-PCR1 includes both an open-collector…

    Mfr Name: Radio Design Labs

    Mfr Number: TX-PCR1

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    In Stock

    $135.99

    (MSRP $173.64)
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    555-ST-MX2 - RDL Universal Audio Mixer

    Universal Audio 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…

    In Stock

    $129.99

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    555-STA-1M - RDL Audio Line Amplifier

    Audio Line Amplifier Allows bridging any audio line, adjusting the gain, and driving a balanced or unbalanced line. Circuit design allows input to accept either balanced or unbalanced signals, of either high or low impedance. Instrumentation type input stage amplifies the differential input,…

    Mfr Name: Radio Design Labs

    Mfr Number: STA-1M

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    In Stock

    $104.99

    (Reg: $109.99)
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    555-FP-ALC2 - RDL Stereo Automatic Level Control

    RDL Stereo Automatic Level Control RDL Stereo Automatic Level Control, Power Requirements: 24 VDC, 80 mA, Impedance: 10 Kilohm, Connector Type: RCA Female, Feature

    Mfr Name: Radio Design Labs

    Mfr Number: FP-ALC2

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    In Stock

    $249.99

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    555-TX-10B - RDL Bridging Input Transformer

    * Add transformer isolation to any line level input * Use as a 10Kohm input bridge on any audio line * Provides balanced input and output * Frequency response: 20Hz~20KHz * THD: <0.05% * Passive device requires no power

    Mfr Name: Radio Design Labs

    Mfr Number: TX-10B

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    In Stock

    $39.99

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