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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…
Item #: ST-MX2
Radio Design Labs MB-3 Kit to Mount ST and TX Series Modules on FP Panel TX or STICK-ON Module fastens to MB-3 which slides into FP-RRA/H track.
Item #: RDL-MB3
Radio Design Labs MB-1 Mounting Kit for RU / ST / TX Series Two mounting brackets mounts a STICK-ON, TX, or Rack-Up module to a flat surface.
Item #: MB1
The D-RC4ST is a wall-box mounted remote module designed to directly control an RDL ST-SX4 Audio Switcher Module. The ST-SX4 provides solid-state switching of one of four unbalanced audio inputs to a single unbalanced audio output…
Item #: RDL-D-RC4ST
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…
Item #: RDL-ST-MPA48
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…
Item #: RDL-ST-MPA24
The DB-RC4ST is a wall-box mounted remote module designed to directly control an RDL ST-SX4 Audio Switcher Module. The ST-SX4 provides solid-state switching of one of four unbalanced audio inputs to a single unbalanced audio…
Item #: RDL-DB-RC4ST
The DS-RC4ST is a wall-box mounted remote module designed to directly control an RDL ST-SX4 Audio Switcher Module. The ST-SX4 provides solid-state switching of one of four unbalanced audio inputs to a single unbalanced audio…
Item #: RDL-DS-RC4ST
Radio Design Labs ST-RRB1 Rear Rack Rail Mounting Kit for any Stick-On Module 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…
Item #: RDL-STRRB1
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…
Item #: ST-TC1
The ST-IC1 is the ideal choice where an intercom system is to be installed, or where an amplifier is needed to bring a mic level up to a 1 W speaker level with optional muting capability. The ST-IC1 has one input, one output and…
Item #: ST-IC1
The ST-CX2 is a line-level two band crossover to drive audio power amplifiers. The input and outputs are balanced and may be connected unbalanced if necessary. The input accepts a +4 dBu line-level signal. The module operates at…
Item #: ST-CX2
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…
Item #: ST-RX2
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…
Item #: ST-SX4
The ST-EQ3 features a balanced bridging input, which may be connected unbalanced if desired. The output driver is 150 ? balanced, and is intended to drive unbalanced or balanced lines of 150 Ohm or higher impedance. Equalization…
Item #: ST-EQ3
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…
Item #: ST-SH2
The ST-HP3 is the ideal choice where line-level audio filtering needs to be provided at the input of a power amplifier for protection of public address horns against damage from low frequencies. The ST-HP3 has one input and two…
Item #: ST-HP3
The ST-CX2S is a subwoofer signal equalizer in the STICK-ON series of products from RDL. The ST-CX2S offers flexibility in equalization adjustment, with the exceptional performance of RDL. The ST-CX2S features two separate,…
Item #: ST-CX2S
The ST-PH1 is a stereophonic phono preamplifier. Each of the two channel circuits is identical. The ST-PH1 has standard 47 k Ohm impedance unbalanced phono cartridge inputs. Equalization follows the RIAA curve. Each output is…
Item #: ST-PH1
Radio Design Labs ST-VCA3 Voltage Controlled Amplifier The ST-VCA3 is used in applications requiring smooth audio level control from a remote control panel, potentiometer or dc voltage (0 to 10 V). Installation in series with the…
Item #: ST-VCA3
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…
Item #: ST-VOX1
The ST‑VP2 can be wired into any line‑level input of a paging amplifier. A line‑level music source may be provided from a receiver, satellite decoder, tape or CD source. A line‑level voice source may be…
Item #: ST-VP2
RRadio Design Labs ST-CL2 Compressor/Limiter - Line Level The ST-CL2 is a high performance compressor/limiter designed to maintain a constant average output level and effective peak control over a wide range of input levels. The…
Item #: ST-CL2
Radio Design Labs ST-FS6 Ferrite Suppressor / RF Filter The ST-FS6 is used in applications where an excessive RF level is induced in the audio cables producing audio interference in the system. It is not necessary to use all 6…
Item #: ST-FS6
The ST-LCR1 provides double-pole, double-throw dry switching contacts and LED indicator for relay closure. The ST-LCR1 provides momentary operation and is ideally suited where additional switching contacts are needed to be added…
Item #: ST-LCR1
Item #: ST-NG1
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