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Summary of Contents for Monoprice 18802
- Page 1 Commercial Audio 4x 120-watt 5-channel 4-zone 100/70V Mixer/Matrix Amplifier with Digital Media Player P/N 18802 User's Manual...
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Page 2: Table Of Contents
CONTENTS SAFETY WARNINGS AND GUIDELINES ..........................4 INTRODUCTION ....................................... 6 FEATURES ........................................6 CUSTOMER SERVICE .................................... 7 PACKAGE CONTENTS ..................................7 PRODUCT OVERVIEW ..................................8 Front Panel ......................................8 Rear Panel .......................................9 Remote Control ....................................11 CONSTANT VOLTAGE VS LOW IMPEDANCE SPEAKER SYSTEMS ............. 11 INSTALLATION ...................................... - Page 3 Bluetooth® Connection ................................24 FM Playback ...................................... 24 MP3 Recording ....................................24 RS-232 Control ....................................25 SPECIFICATIONS ....................................29 TECHNICAL SUPPORT ..................................30 REGULATORY COMPLIANCE ..............................30 Notice for FCC ....................................30 Notice for Industry Canada ..............................31...
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Page 4: Safety Warnings And Guidelines
SAFETY WARNINGS AND GUIDELINES Please read this entire manual before using this device, paying extra attention to these safety warnings and guidelines. Please keep this manual in a safe place for future reference. Do not install this device on an unstable surface where it could fall and cause either personal injury or damage to the device and/or other equipment. - Page 5 Unplug this device from the power source when not in use. Take care to prevent damage to the power cord. Do not allow it to become crimped, pinched, walked on, or become tangled with other cords. Ensure that the power cord does not present a tripping hazard.
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Page 6: Introduction
INTRODUCTION Thank you for purchasing this 5-channel 4-zone Mixer/Matrix Amplifier! This amp features three combination XLR/TRS balanced/unbalanced inputs, which can be set to accept a standard microphone input, a microphone input with +48V phantom power, or a line level input. It also has two unbalanced stereo RCA line level inputs. It has four independent 120 watt amplifiers, which can drive 4-ohm loads or a 70V or 100V constant voltage speaker array. -
Page 7: Customer Service
If you have any problem with your order, please give us an opportunity to make it right. You can contact a Monoprice Customer Service representative through the Live Chat link on our website www.monoprice.com or via email at support@monoprice.com. Check the website for support times and links. -
Page 8: Product Overview
PRODUCT OVERVIEW Front Panel 1. MUTE Button and LED Indicator: The LED illuminates when Mute has been activated. 2. Z1-Z4 Buttons: Zone selector buttons for the built-in Media Player. The buttons illuminate when selected. 3. Monitor Level Indicators: LED indicators show the overall output level for the Monitor. -
Page 9: Rear Panel
11. Channels 1-5 BASS Controls: Cuts or boosts the low frequency output of each individual Channel. The adjustment range is -10dB to +10dB. 12. Channels 1-5 LEVEL Knobs: Adjusts the volume level for each individual Channel. 13. Media Player: The Media Player consists of a built-in FM tuner and an mp3 player Media Player Controls with an associated SD™... - Page 10 6. Channel 2 Input and GAIN Control: Combination XLR/TRS connector for the Channel 2 input and control for adjusting the amount of gain to apply to the input. 7. Channel 1 Input and GAIN Control: Combination XLR/TRS connector for the Channel 1 input and control for adjusting the amount of gain to apply to the input.
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Page 11: Remote Control
17. MONITOR Output: Speaker connectors for connecting a Monitor speaker. The output is 1 watt at 8 ohms. 18. Ground Switch: Allows you to choose normal grounding or ground lift. Remote Control 1. Power Button 2. Mode Button 3. Previous and Next Buttons 4. - Page 12 Additionally, a constant voltage speaker system allows for the use of multiple speakers on each channel, without the need for complicated impedance calculations and configurations. In a constant voltage system, all speakers on a given channel are connected in parallel and the complicated impedance calculations are replaced by a simple wattage calculation.
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Page 13: Installation
INSTALLATION Speaker Connections This amplifier supports four separate output zones, each driven by a dedicated 120-watt amplifier. You can connect speaker arrays with an overall 4-ohm impedance or constant voltage speaker arrays at 70 or 100 volts. 1. Create up to four individual speaker arrays. If using low-impedance speakers, ensure that the overall impedance of the array is 4 ohms. -
Page 14: Line Out Connections
Line Out Connections Each zone features a balanced/unbalanced line output that will mirror the speaker output. You can then connect this output to the input of another amplifier for more speakers in larger spaces, a subwoofer for better low-end response, mixer, an audio recorder, or other device with line level inputs. -
Page 15: Connecting A Telephone Paging System
Connecting a Telephone Paging System This amplifier provides a 600-ohm balanced input for integrating an external telephone paging system. Perform the following steps to connect your telephone system. 1. Lift the bottom of the terminal cover over the TEL PAGING connectors. 2. -
Page 16: Monitor Connection
Monitor Connection The amplifier provides a single-channel speaker output for connecting an 8-ohm monitor speaker. Perform the following steps to connect a monitor speaker. 1. Lift the bottom of the terminal cover over the MONITOR connectors. 2. Using flat head or Phillips screwdriver, loosen the 1W + and 8Ω - screws. 3. -
Page 17: Microphone And Line Connections
Microphone and Line Connections The amplifier features three combination XLR/TRS connectors for connecting microphones or line level inputs, plus two pairs of stereo RCA connectors for line level inputs. Perform the following steps to make microphone and line connections. 1. Insert the XLR or TRS/TS connector from a microphone or line level source into the CH 1 input. -
Page 18: Sample Connection Diagram
Sample Connection Diagram... -
Page 19: Block Diagram
Block Diagram... -
Page 20: Initial Setup
INITIAL SETUP Perform the following steps for the initial power on and setup. 1. Ensure that the Power Switch is in the OFF position. 2. Using a small flat head screwdriver, turn all six GAIN controls on the rear panel fully counterclockwise to the minimum position. - Page 21 16. Press and hold the button to decrease the volume level of the media player until the display shows 0. 17. Press the Z1 button underneath the media player to set the Media Player output to Zone 1. 18. Press and hold the to increase the output volume level of the media player step-by-step while slowly increasing the ZONE 1 LEVEL control until the FM station is playing at a comfortable listening level.
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Page 22: Operation
OPERATION Channel and Zone Controls This section details the Channel and Zone controls using CH 2 and ZONE 1 as an example. Other Channels and Zones are controlled the same way. 1. BASS Control: Adjusts the amount of bass in the CH 2 source in a range from -10dB to +10dB. -
Page 23: Media Player Controls
Media Player Controls 1. USB Port: Plug a USB device with mp3 tracks into the USB Port to play the audio tracks. The USB Port has the highest priority and the media player will automatically switch to the USB Port whenever a USB drive is connected. The LCD Display will show USB in the upper left corner. -
Page 24: Bluetooth® Connection
2. Open the Bluetooth settings on your mobile device and scan for nearby devices. Locate and select the A 18802 entry. 3. Once the connection is established, you can use the controls on the media player or on your mobile device to control audio playback. -
Page 25: Rs-232 Control
3. Once the recording is finished, momentarily press the MODE button to end recording and save the file. The recorded file will begin playback automatically. RS-232 Control This amplifier can be controlled remotely by a computer via the RS232 port on the rear panel. - Page 26 8. PC serial port issue instructions of control MP3 connection ZONE4 OPEN: FF 06 84 8A CLOSE: FF 06 04 0A 9. PC serial port issue instructions of control CH1 connection ZONE1 OPEN: FF 06 85 8B CLOSE: FF 06 05 0B 10.
- Page 27 18. PC serial port issue instructions of control MON connection ZONE2 OPEN: FF 06 8E 94 CLOSE: FF 06 0E 14 19. PC serial port issue instructions of control MON connection ZONE3 OPEN: FF 06 8F 95 CLOSE: FF 06 0F 15 20.
- Page 28 28. PC serial port issue instructions of control CH4 connection ZONE4 OPEN: FF 06 98 9E CLOSE: FF 06 18 1E 29. PC serial port issue instructions of control CH5 connection ZONE1 OPEN: FF 06 99 9F CLOSE: FF 06 19 1F 30.
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Page 29: Specifications
38. CH5 Mute OPEN: FF 06 A1 A7 CLOSE: FF 06 21 27 SPECIFICATIONS Model 18802 Frequency Response 80Hz~16KHz Total Harmonic Distortion ≤1% Signal-to-Noise Ratio ≥65dB Bass: ±10dB Tone Controls Treble: ±10dB Output Power 4x 120 watts Output Interface 4Ω, 70V, 100V CH1, CH2, CH3 MIC: ±2.5mV/600Ω... -
Page 30: Technical Support
TECHNICAL SUPPORT Monoprice is pleased to provide free, live, online technical support to assist you with any questions you may have about installation, setup, troubleshooting, or product recommendations. If you ever need assistance with your new product, please come online to talk to one of our friendly and knowledgeable Tech Support Associates. -
Page 31: Notice For Industry Canada
Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. Notice for Industry Canada This Class B digital apparatus complies with Canadian ICES-003.
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