Radio Design Labs Products distributed by Exertis Almo

The SF-NH1 is a headphone amplifier that converts two Dante network audio channels to a stereo headphone output with front-panel level adjustment. The output connects through a stereo 3.5 mm Mini-jack. Each channel provides 100 mW into 100 ohms ...

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RDL - PoE+ Network to 16 W Mono Audio Amplifier-70 V or 100 V-Dante

Model: SF-NP16E MSRP: $804.96

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RDL - PoE++ Network to 35 W Mono Audio Amplifier-70 V or 100 V-Dante

Model: SF-NP35E MSRP: $848.23

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RDL - Network to 40 Watt Stereo Power Amplifier-Dante-Includes North American Power Cord

Model: SF-NP40D MSRP: $755.40

The SF-NP40D is an audio power amplifier that converts two Dante network audio channels to two 4 Ohm or 8 Ohms amplified outputs. Each output provides 20 watts into 8 ohms for a network digital audio level of 0 dBFS. Special software is not requ...

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RDL - Network to 40 Watt Stereo Power Amplifier-Dante-Export Model-Excludes Power Cord

Model: SF-NP40DE MSRP: $755.40

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RDL - Network to 50 W Mono Audio Amplifier-70 V or 100 V-Dante-Includes North American Power Cord

Model: SF-NP50A MSRP: $886.26

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RDL - Network to 50 W Mono Audio Amplifier-70 V or 100 V-Dante-Export Model-Excludes Power Cord

Model: SF-NP50AX MSRP: $886.26

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RDL - 50 W Mono Audio Amplifier-70 V or 100 V-Includes North American Power Cord

Model: SF-PA50A MSRP: $515.64

The SF-PA50A is a 50 Watt audio power amplifier that converts one analog input to a 70 V or 100 V constant voltage amplified output. An analog audio source may be connected to either the mono balanced terminal block input or to the unbalanced Mi...

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RDL - 50 W Mono Audio Amplifier-70 V or 100 V-Export Model-Excludes Power Cord

Model: SF-PA50AX MSRP: $515.64

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RDL - SysFlex Rack Adapter

Model: SF-RA1 MSRP: $172.36

The SF-RA1 rack mounts several SysFlex® modules in fixed or mobile installations. Modules quickly snap into the SysFlex® rack mount and each is firmly secured with a single screw. The racking system segregates network and power wiring fr...

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RDL - Line-Level Receiver-8 Twisted Pair Format-A Input Sections-24 Audio Channels-Balanced Line Level Outputs on Detachable Terminal Blocks

Model: SF-TPR24A MSRP: $926.34

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RDL - Line-Level Sender/Receiver-4 Twisted Pair Format-A Input & 4 Output Sections-12 Audio Channels

Model: SF-TPRS12A MSRP: $888.67

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RDL - Line-Level Sender-8 Twisted Pair Format-A Output Sections-24 Audio Channels-Balanced Line Level Inputs on Detachable Terminal Blocks

Model: SF-TPS24A MSRP: $850.82

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RDL - Under Counter Bracket Pair for SysFlex Products

Model: SF-UCB2 MSRP: $31.00

Brackets Fasten to SysFlex® Case for Easy Alignment
SysFlex® Product Secures Quickly Using Four Screws
Brackets Fasten to Underside of Counter or Shelf

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RDL - USB to Network Interface-Dante

Model: SF-UN1 MSRP: $791.15

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RDL - Microphone to Network Interface-Dante

Model: SF-XMN4 MSRP: $1187.46

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RDL - Single Surface Mount Box for Decora Remote Controls and Panels-black

Model: SMB-1B MSRP: $73.21

The SMB-1, 2, 3 and 4 surface mount boxes hold one, two, three or four Decora®-style products, including RDL remote controls and connector plates. Knockouts are provided for fastening standard metric or North American conduits to the rear of...

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RDL - Single Surface Mount Box for Decora Remote Controls and Panels-gray

Model: SMB-1G MSRP: $73.21

The SMB-1, 2, 3 and 4 surface mount boxes hold one, two, three or four Decora®-style products, including RDL remote controls and connector plates. Knockouts are provided for fastening standard metric or North American conduits to the rear of...

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RDL - Single Surface Mount Box for Decora Remote Controls and Panels-white

Model: SMB-1W MSRP: $73.21

The SMB-1, 2, 3 and 4 surface mount boxes hold one, two, three or four Decora®-style products, including RDL remote controls and connector plates. Knockouts are provided for fastening standard metric or North American conduits to the rear of...

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RDL - Double Single Surface Mount Box for Decora Remote Controls and Panels-black

Model: SMB-2B MSRP: $79.60

The SMB-1, 2, 3 and 4 surface mount boxes hold one, two, three or four Decora®-style products, including RDL remote controls and connector plates. Knockouts are provided for fastening standard metric or North American conduits to the rear of...

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RDL - Double Surface Mount Box for Decora Remote Controls and Panels-gray

Model: SMB-2G MSRP: $79.60

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RDL - Double Surface Mount Box for Decora Remote Controls and Panels-white

Model: SMB-2W MSRP: $79.60

The SMB-1, 2, 3 and 4 surface mount boxes hold one, two, three or four Decora®-style products, including RDL remote controls and connector plates. Knockouts are provided for fastening standard metric or North American conduits to the rear of...

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RDL - Triple Surface Mount Box for Decora Remote Controls and Panels-black

Model: SMB-3B MSRP: $85.43

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RDL - Triple Surface Mount Box for Decora Remote Controls and Panels-gray

Model: SMB-3G MSRP: $85.43

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RDL - Triple Surface Mount Box for Decora Remote Controls and Panels-white

Model: SMB-3W MSRP: $85.43

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RDL - Quadruple Surface Mount Box for Decora Remote Controls and Panels-black

Model: SMB-4B MSRP: $91.73

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RDL - Quadruple Surface Mount Box for Decora Remote Controls and Panels-gray

Model: SMB-4G MSRP: $91.73

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RDL - Quadruple Surface Mount Box for Decora Remote Controls and Panels-white

Model: SMB-4W MSRP: $91.73

The SMB-1, 2, 3 and 4 surface mount boxes hold one, two, three or four Decora®-style products, including RDL remote controls and connector plates. Knockouts are provided for fastening standard metric or North American conduits to the rear of...

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RDL - STICK-ON Mounting Plate

Model: SMK-12 MSRP: $51.84

The SMK-12 allows removable STICK-ON mounting.

Device Supported: Modular Device
Product Color: Black
Height: 2.89"

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RDL - STICK-ON Series Mounting Rack-10 Modules

Model: SR-10 MSRP: $121.08

SR-10 chassis can be mounted in a rack or on a backboard to provide mounting of 10 STICK-ONs

Product Material: Steel
Limited Warranty: 3 Year

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RDL - STICK-ON Series Mounting Rack-12 Modules

Model: SR-12A MSRP: $121.08

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RDL - STICK-ON Series Mounting Rack-7 Modules max.

Model: SR-4 MSRP: $157.14

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RDL - Terminal Block Assembly for SR-4

Model: SR-TB10 MSRP: $25.43

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RDL - Line-Level Controlled Relay-0.5 to 5 s Delay

Model: ST-ACR1 MSRP: $189.25

The ST-ACR1 is an Audio Controlled Relay in the STICK-ON series. These products are designed for quick, convenient installation, and reliable operation in a variety of control applications. The ST-ACR1 is designed to switch on line level sources...

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RDL - Mic-Level Controlled Relay-0.5 to 5 s Delay

Model: ST-ACR1M MSRP: $189.70

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RDL - Line-Level Controlled Relay-5 to 50 s Delay

Model: ST-ACR2 MSRP: $186.65

The ST-ACR2 is an Audio Controlled Relay in the STICK-ON® 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 so...

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RDL - Compressor/Limiter-Line Level

Model: ST-CL2 MSRP: $278.41

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RDL - Two Band Active Line-level Crossover

Model: ST-CX2 MSRP: $232.17

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RDL - Subwoofer Crossover Filter

Model: ST-CX2S MSRP: $232.17

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RDL - 3 Band Equalizer-Line Level

Model: ST-EQ3 MSRP: $184.32

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RDL - Ferrite Suppressor / RF Filter

Model: ST-FS6 MSRP: $133.82

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RDL - Gain Control Amplifier-Line Level

Model: ST-GCA3 MSRP: $241.17

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RDL - Gated Line Amplifier-Noise Gate

Model: ST-GLA1 MSRP: $229.95

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RDL - Gated Speech Preamplifier-Mic to Line

Model: ST-GSP1 MSRP: $247.53

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RDL - 300 Hz and 500 Hz High Pass Filter

Model: ST-HP3 MSRP: $231.70

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RDL - Intercom Amplifier

Model: ST-IC1 MSRP: $248.98

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RDL - High Power Logic Controlled Relay-8 A

Model: ST-LCR1H MSRP: $205.81

The ST-LCR1H provides dry-switching contacts for high power switching, an LED indicator showing relay activation, and input connections. Switching contacts are suited to switching many 8 Ω, 70.7 V or 100 V speaker lines. The relay closes w...

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RDL - Logic Controlled Relay-Latching

Model: ST-LCR2 MSRP: $208.76

The ST-LCR2 provides double-pole, double-throw dry switching contacts and LED indicator for relay closure. The ST-LCR2 is used where momentary pulses must alternately toggle on/off switching contacts. Open-collector slave output allows connectio...

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RDL - Logic Controlled Relay-Dual Alternate Pulse

Model: ST-LCR3 MSRP: $235.75

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RDL - Loudness Equalizer-Use with VCA

Model: ST-LEQ1 MSRP: $154.92

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RDL - Muting Monitor Amplifier-2 Watt

Model: ST-MA2 MSRP: $160.44

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RDL - RDL ST-MPA24 MICROPHONE 24 V PHANTOM ADAPTER - 2 CH

Model: ST-MPA24 MSRP: $172.46

The ST-MPA24 contains two identical phantom power circuits and a common power supply input. If only one mic input is to be converted for phantom operation, only one circuit needs to be used. Each circuit has a mic input and a mic output. Phantom...

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RDL - Microphone 48 V Phantom Adapter-2 Channel

Model: ST-MPA48 MSRP: $235.01

The ST-MPA48 contains two identical phantom power circuits and a common power supply input. If only one mic input is to be converted for phantom operation, only one circuit needs to be used. Each circuit has a mic input and a mic output. Phantom...

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RDL - 3 Line Input Mixer-Line Out

Model: ST-MX3 MSRP: $239.49

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, bal...

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RDL - White and Pink Noise Generator

Model: ST-NG1 MSRP: $247.53

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RDL - Audio Oscillator-1kHz and 10 kHz

Model: ST-OSC2A MSRP: $200.03

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RDL - Audio Oscillator-100 Hz and 400 Hz

Model: ST-OSC2B MSRP: $200.03

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RDL - 18 Watt 8 Ohm Audio Power Amplifier

Model: ST-PA18 MSRP: $238.79

The ST-PA18 features a balanced line level input that may be connected unbalanced. The gain control range will accommodate standard unbalanced levels as well as professional balanced levels. The module bridges the input signal. LOOP OUT terminal...

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RDL - Utility Audio Amplifier-2 Watt

Model: ST-PA2 MSRP: $131.04

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 Ω speaker. The second output is intended to drive 600 Ω transformers, typica...

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RDL - Mounting Bracket for 4 STICK-ON Modules

Model: ST-PBR4 MSRP: $64.04

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RDL - Power Distributor-Switching

Model: ST-PD5U MSRP: $150.60

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RDL - Stereo Phono Preamplifier

Model: ST-PH1 MSRP: $258.23

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RDL - Ramp Generator-0 to 10 Vdc Output

Model: ST-RG1 MSRP: $208.76

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RDL - Rear rack rail mounting kit for any STICK-ON module

Model: ST-RRB1 MSRP: $37.02

The ST-RRB1 mounting kit contains a bracket to attach a STICK-ON module to a rear rack rail or to any flat surface. The module slides into the holder and snaps into position. The module may easily be removed.

Mounts in the back of a rack
Mounts to any flat surface

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RDL - Audio Routing Switcher-1x2

Model: ST-RX2 MSRP: $199.84

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 f...

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RDL - Stereo Headphone Amplifier

Model: ST-SH2 MSRP: $240.20

The ST-SH2 is used in applications requiring headphones of any impedance to be driven from consumer or professional audio sources. For fixed level installations not requiring user volume control, the ST-SH2 is wired to the audio source and to a ...

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RDL - Line-Level Audio Switch-2x1

Model: ST-SSR1 MSRP: $203.41

The ST-SSR1 was designed for absolute silent switching of audio signals. It supports two balanced line-level inputs and one balanced output. Each can be used unbalanced as well. The ST-SSR1 is perfect for switching between two input signals or a...

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RDL - Unbalanced Audio Switcher-4x1

Model: ST-SX4 MSRP: $194.12

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...

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RDL - Telephone System Coupler-CO Line Simulator

Model: ST-TC1 MSRP: $196.07

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 a...

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RDL - Unbalanced to Balanced Amplifier

Model: ST-UBA2 MSRP: $291.85

The ST-UBA2 is used in any application requiring conversion from unbalanced consumer format signals to professional +4 dBu. It may be used to balance audio from CD players, cassette decks, computer sound cards, televisions, and a wide variety of...

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RDL - Universal Audio Mixer-3 Mic or Line x 1 Mic or Line

Model: ST-UMX3 MSRP: $257.91

The ST-UMX3 is a three-channel audio mixer for combining mic-level or line-level signals to a single output. A MIC/LINE switch is provided for each input. A separate MIC/ LINE switch selects the output level. Each input features a separate pream...

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RDL - Voice Operated Relay

Model: ST-VOX1 MSRP: $197.22

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 s...

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RDL - Voice-Over / Paging Module-Manual

Model: ST-VP1 MSRP: $259.25

High Quality Voice-Over Mixing Noiseless Paging A Single Input Adapted for Paging or Voice-Over Selectable Fade-Under or Hard-Cut Adjustable Fade Depth and Rate Soft Audio Switching The ST-VP1 is part of a group of products in the Stick-On ser...ies from Radio Design Labs. The durable bottom adhesive permits quick, permanent mounting nearly anywhere, or use it with RDL's racking accessories. The ST-VP1 offers the ultimate in quality preset mixing functions for voice-over and paging applications, with a big plus, you can put it right where you need it! STICK-ONs are designed, built and rated for continuous duty in professional A/V systems.FUNCTIONAL DESCRIPTION: The exceptional audio quality together with the reasonable cost of the ST-VP1 makes it equally useful in voice-over studio recording applications and in paging installations. The module is a line-level device with two inputs; MUSIC and VOICE. The MUSIC input normally feeds the output when no control option is selected. Two control options are available; FADE and CUT. When FADE is externally selected (FADE terminal connected to ground), the MUSIC source is faded down, and the VOICE source is turned on. When the FADE terminal is released, the voice source is turned off and the music source fades back up. The fade rate, and fade depth are both adjustable on multi-turn trimpots. When the CUT terminal is selected (CUT terminal connected to ground), the music source is switched off and the voice source is switched on. When the CUT terminal is released, the voice source is switched off and the music source is restored. All switching and fading is accomplished electronically for noiseless operation.PAGING APPLICATION: The ST-VP1 can be wired to constantly feed a line-level input of a paging amplifier. Line-level music and voice sources feed the module. The voice source may be a telephone paging signal at line level, or a microphone which has been preamplified up to line-level (See RDL STM-1, STM-2, STM-2X, STM-3 Microphone Preamplifiers). If the professional sound of music fading under the page is desired, the FADE terminal is used to select the page function. If a hard-cut is desired to get people's attention for emergency pages, the CUT terminal can be used. Innovative systems can be created by cascading modules for prioritized messages. A two-unit system would incorporate a ST-VP1 to operate the music fade for insertion of messages from a message repeater. The output of this module would feed a second ST-VP1 used in the cut paging. In this way, messages can be professionally mixed with background music, while attention-getting pages always take priority.

Product Features:

Form Factor: Adhesive Mount
Application/Usage: Paging
Application/Usage: A/V System

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RDL - RDL Ducking Module

Model: ST-VP2 MSRP: $299.68

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RDL - Dual High Gain Line Amplifiers

Model: STA-2A MSRP: $296.68

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-tu...

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RDL - Passive Audio Divider/Combiner-150 Ohm

Model: STD-150 MSRP: $105.73

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 mul...

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RDL - RDL Combiner

Model: STD-600 MSRP: $106.05

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 mul...

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RDL - Microphone Preamplifier-50 dB Gain

Model: STM-1 MSRP: $199.95

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RDL - Switched Mic Preamp-35 to 65 dB Gain

Model: STM-2X MSRP: $310.29

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 condense...

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RDL - High Gain Mic Preamp-35 to 75 dB Gain

Model: STM-3 MSRP: $314.13

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, t...

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RDL - Mic Level Distribution Amplifier-1x3

Model: STM-DA3 MSRP: $260.01

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RDL - Studio Quality Mic Preamp w/phantom-3 Line Outputs

Model: STM-LDA3 MSRP: $328.30

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RDL - Universal Audio Attenuators-2 Channel

Model: STP-1 MSRP: $114.97

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 perm...

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RDL - STICK-ON Series Racking System-12 Modules

Model: STR-19A MSRP: $253.12

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RDL - STICK-ON Series Racking System-10 Modules

Model: STR-19B MSRP: $300.93

Device Supported: Modular Device
Features: Adjustable
Compatibility: RDL STICK-ON Series 19" Modules

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RDL - 10.4" Rack Mount for 6 STICK-ON Series Products

Model: STR-H6A MSRP: $236.02

The STR-H6A rack mounts 6 STICK-ON modules. This adapter fits 10.4" racks.

Application/Usage: Module
Application/Usage: Rack
Form Factor: Rack-mountable

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RDL - Shielded Chassis for STICK-ON Module

Model: STS-RF1 MSRP: $237.52

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RDL - Format-A Stereo Headphone Amplifier

Model: TP-HA1A MSRP: $214.62

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