RCS80-1: How to Set Up & Use

Introduction

The Rockville RCS80-1 is a single-zone, 80-watt hybrid amplifier and receiver that supports 70V, 100V, 8-ohm, and 4-ohm applications. It is ideal for schools, conference rooms, restaurants, bars, cafes, and other commercial spaces where multiple speakers need to be powered from a single amplifier.

This guide will cover installation, wiring, and key features of the RCS 80-1 amplifier to help you set up your commercial sound system with ease.

Key Benefits of the RCS80-1

• Supports multiple speaker configurations (70V, 100V, 8-ohm, and 4-ohm).
• Works with any brand of 70V speakers, including ceiling speakers, pendant speakers, and wall-mounted speakers.
• Flexible input options, including Bluetooth, USB, SD card, RCA inputs, and two microphone inputs.
• Rack-mountable design for easy integration into existing setups.

Understanding 70V Systems & Speaker Taps

One of the biggest advantages of a 70V amplifier is the ability to mix and match different speakers while maintaining easy parallel wiring.

What is a 70V Tap?

Each 70V speaker has a built-in transformer with wattage tap settings. These settings determine how much power is drawn from the amplifier to the speaker. By adjusting the tap, you can control how much power each speaker consumes.

For example:

• 1.5W Tap – Low power, best for background music.
• 3W Tap – Medium power, general-purpose sound.
• 6W Tap – High power, for louder environments.

The total wattage of all speakers should be less than the amplifier’s wattage rating. In this demo, 20 speakers were tapped at a total of 45W, which works well with the RCS 80-1's 60W output at 70V.

Installing and Wiring the RCS80-1

1. Connecting Speakers

• Use parallel wiring: Connect all speakers positive to positive and negative to negative.
• Select the correct tap: Set each speaker’s tap according to your desired power level.
• Ensure the total speaker wattage does not exceed the amplifier's power rating.

2. Connecting Audio Sources

The RCS 80-1 includes multiple inputs:

• RCA Line Inputs (Line 1 & Line 2) – Connect external music sources like mixers, CD players, or streaming devices.
• Bluetooth, USB, SD Card – Stream music wirelessly or play media directly.
• Microphone Inputs (Front & Back) – Use for PA announcements.

3. Connecting Power & FM Antenna

• Plug in the included FM antenna for better radio reception.
• Use the included remote control for convenient volume and playback control.

Using the RCS 80-1 Amplifier

Front Panel Controls

• Power Switch
• Digital Display & Media Controls (Bluetooth, USB, SD card playback).
• Microphone 1 Input (For PA systems or announcements).
• MP3 Volume Control (Adjusts the volume for Bluetooth, USB, and SD modes).
• Line 1 & Line 2 Volume Controls (Adjusts the volume of RCA input sources).
• Bass & Treble Controls (Fine-tune the audio to your preference).

Back Panel Connections

• FM Antenna Input
• Microphone 2 Input
• RCA Line Inputs (Line 1 & Line 2)
• RCA Line Output (Expand the system with an additional amplifier).
• Speaker Outputs (Supports 70V, 100V, 8-ohm, and 4-ohm connections).

Performance & Sound Quality

• Handles up to 20 speakers with proper tap settings.
• Clear, powerful audio output, even at low power settings.
• Simple setup without the need for expensive installations.

Conclusion

The Rockville RCS80-1 is a powerful, easy-to-use, and versatile amplifier for home and commercial audio systems. It provides multiple input options, flexible speaker compatibility, and easy installation, making it an excellent choice for restaurants, bars, offices, and conference rooms.