The ST-VOX1 Voice Operated Relay can be actuated by an unbalanced mic or line level source. It is primarily used in intercom and talkback applications where a fast contact release time (adjustable 70 to 260 ms) is desired. In applications where longer release times are desired we suggest the use of ST-ACR Series Audio Controlled […]
In installations that require the capability to remotely switch loudspeakers off or on when portions of a facility are not in use, the RDL ST-LCR1H High Power Logic Controlled Relay and D Series-RT2 Remote Control Selector provide the ideal solution. The ST-LCR1H is capable of switching speaker loads up to 500 Watts. The D Series-RT2 […]
A recent call into the RDL Tech Support line came from a contractor who was installing a paging system on a campus where it was not practical to run cable between the various buildings. They had installed a low power FM transmitter at the main office and receivers that fed the amplifiers in the various […]
The high performance ST-GCA3 is an automatic gain control amplifier that provides a constant average audio output despite variations in input levels. It is used extensively in broadcast production and transmission, conferencing and sound reinforcement systems. The ST-GCA3 automatically provides gain to low level signals and attenuation to high levels. The adjustment rate […]
The ST-UBA2 Two Channel Unbalanced to Balanced Amplifier is used in applications where unbalanced consumer level signals must be converted for operation in a professional +4dBu environment. The 10 kOhm unbalanced Left and Right inputs are designed to accept signals from -20 dBV to -10 dBV. Multi-turn gain trimmers and Dual-LED VU meters […]
Powered by dc voltages of 10.5 to 26 volts, the ST-MPA48 provides 48 volts of fixed phantom power (P48) for one or two condenser microphones. Designed and manufactured to comply with IEC 61938:2013, the ST-MPA48 can convert any existing microphone input into a 48 Vdc phantom powered input with full frequency response. The ST-MPA48 […]
The ST-IC1 Intercom Amplifier is the building block for a variety of voice intercom applications ranging from Patient Monitoring in health care facilities to Entry Access communications in industrial, residential, educational and correctional facilities. The ST-IC1 has a single microphone level input, a single speaker level output and muting control terminals. The input is capable […]
The RDL PM-3T Pole Mount tray provides the perfect solution for the tidy, professional installation of any RU, TX, FP or STICK-ON Power Amplifier and Power Supply that is used in conjunction with a projector. The design of the PM-3T allows it to be quickly installed above the projector even after the projector is in […]
RDL ST-LCR Series Logic Controlled Relays are used in a variety of applications. From switching speaker loads in a sound system to providing pulses for lowering and raising projection screens or window blinds. They can be controlled from a variety of sources including switch closures, Open-Collector outputs from other RDL or third party products and control […]
Have you ever had a client that wants you to add an additional audio source to a system you didn’t install? The client can’t tell you if the source is balanced or unbalanced or if it’s mic or line-level. You don’t know if there are any available inputs! You could spend two hours and drive […]
