Description:
Speeches, government meetings, product announcements and other media events are occasions where a number of reporters in the electronic press require a high quality audio feed from the event organizers. The recording equipment in use might require a mic, balanced line level or unbalanced line‑level signal. It is critical that each feed is isolated so that if one feed is accidentally shorted or back‑fed, no other feed will be affected nor will the public address system. This example uses RDL STICK‑ONs® to provide isolated audio output signals driving a variety of audio jacks on a "Media Panel." An RDL RU‑MX4 Pro 4‑Input Mixer is used as the audio source. The line‑level source is distributed through an ST‑DA3 Audio Distribution Amplifier to line‑level outputs on RCA, 1/4¨ phone, and XLR jacks. The same source is padded down to mic level using an STP‑1 Attenuator and distributed through an STM‑DA3 Microphone Distribution Amplifier to the mic outputs. All jacks shown are on Decora® wall plates. These jacks are available in the RDL AMS series should a rack or tabletop mount be preferred. Distribution of video at these events can also be added using RDL composite and VGA/XGA distribution amplifiers.

Description:
This system is set up in a basic two room combining configuration. The rooms can be separated/joined by a movable wall. The room audio can be combined and uncombined at the main control unit in the rack. Each room is equipped with a local audio input wall plate that accepts both mic‑level and line‑level audio. A room control plate allows volume control and the selection of local sources or background music. The second room in this system is equipped with an additional volume control at the opposite end of the room. When the rooms are separated the local inputs are associated with that room only. When the rooms are combined, the local audio from each room is combined, creating one large room. This example uses an FP‑PA20A 20 Watt 70 V amplifier for each room. Facility‑wide paging is available through the rack mounted system controller. The RCX‑5C can be used for room combining systems of two to five rooms.

Description:
This drawing provides a simple way to listen to hotel room television audio in the adjacent bathroom.

The ST‑PA6 has several unique features that make it ideal for this application. Its input allows combining a stereo signal to a mono sum while retaining isolation between the two input signals. The ST‑PA6 has a bass equalization adjustment that allows the installer to perform some loudness compensation.

This example shows the use of a variable level output from the television receiver. The bathroom audio level follows the level at the television receiver.

Description:
Providing stereo monitor speakers with remote volume control in a hotel suite bathroom is done easily with the RU‑PA40D.

The extremely compact RU‑PA40D drives stereo 4 or 8 Ohm speakers and has an integral VCA which allows use of a 10 kΩ linear potentiometer to control level. This example uses the RLC10KS remote control to create an aesthetically pleasing and professional appearance. The RU‑PA40D also features a studio quality compressor/limiter to control clipping and maximize average output levels. An input selector switch allows the unit to output a mono sum in installations where speaker placement cannot produce proper stereo imaging.

This example uses the fixed output level from the television receiver. The bathroom audio level is controlled by the RLC10KS remote control.

Description:
The compact size of the RDL modules make installation of a monitor speaker with remote volume control in a hotel suite bathroom an easy task.

The TX‑J2 provides a balanced mono sum of the stereo unbalanced output of the television receiver. The ST‑VCA3 adjusts audio level set using the RLC10KS that is wall‑mounted in the bathroom. The ST‑PA18 power amplifier incorporates an on‑board compressor/limiter and can provide up to 18 Watts RMS to power an 8 Ohm speaker. The full electronic package is small enough to easily be placed in a TV armoire.

This example uses the fixed output level from the television receiver. The bathroom audio level is controlled by the RLC10KS remote control.

Description:
The compact size of RDL modules allows the creation of a system to provide high quality sound in a nearby room without dedicating space for electronic equipment. The example pictured allows remote level control and source selection using equipment which can be placed in electrical boxes or tucked into a TV armoire.

The TX‑J2 provides a balanced mono signal from the stereo unbalanced sources used in this system. The ST‑SSR1 allows switching between the satellite radio receiver and the television audio in the adjacent room. It is controlled by the RC2‑STS. The ST‑VCA3 adjusts audio level set by the RLC10KS mounted in the wall. The power amplifier is an ST‑PA18 which incorporates an on‑board compressor/limiter. The ST‑PA18 can provide up to 18 Watts RMS to power an 8 Ohm speaker. The completed system projects a professional, aesthetically pleasing image for years of reliable operation.

This example uses fixed output levels from the two sources. The bathroom audio level is controlled by the RLC10KS remote control.

Description:
A stereo unbalanced audio signal from the house audio system is summed and converted to a balanced mono signal using the TX‑J2 Unbalanced Input Transformer. The patio is equipped with a DS‑CIJ3 Consumer Input Jack Decora® plate that provides connectivity for an MP3 music player or other stereo audio source. Source selection is controlled by the house audio system and volume is controlled using the house audio system and/or the MP3 player, if it’s in use. An RDL FP‑PA20A 20 Watt 70 Volt Audio Power Amplifier powers four 70 Volt outdoor rock speakers in a patio seating area. Each speaker is tapped at 5 Watts, for a total of 20 Watts. Using a 70 Volt system allows for the use of smaller cable sizes which reduce system costs and simplify the installation. An RDL FP‑PA20B 20 Watt 25 Volt Audio Power Amplifier may be used in place of the FP‑PA20A if a 25 Volt system is desired.