Monoprice 18513 Bedienungsanleitung

Unity 100-watt Bridgeable Power Amp

P/N 18513

User's Manual

CONTENTS

SAFETY WARNINGS AND GUIDELINES.......................................................................................................................................3

INTRODUCTION................................................................................................................................................................................................4

FEATURES..............................................................................................................................................................................................................4

CUSTOMER SERVICE....................................................................................................................................................................................5

PACKAGE CONTENTS.................................................................................................................................................................................5

PRODUCT OVERVIEW.................................................................................................................................................................................6

Front Panel.....................................................................................................................................................................................................6

Rear Panel.......................................................................................................................................................................................................6

THERMAL PROTECTION ............................................................................................................................................................................ 7

SHORT CIRCUIT PROTECTION.............................................................................................................................................................. 7

MOUNTING OPTIONS .................................................................................................................................................................................8

Stand-Alone Setup.................................................................................................................................................................................8

Single Rack-Mount Setup.................................................................................................................................................................8

Dual Rack-Mount Setup.....................................................................................................................................................................9

STEREO INSTALLATION.............................................................................................................................................................................9

MONO BRIDGED INSTALLATION....................................................................................................................................................12

TECHNICAL SUPPORT...............................................................................................................................................................................14

SPECIFICATIONS............................................................................................................................................................................................14

REGULATORY COMPLIANCE..............................................................................................................................................................15

Notice for FCC ..........................................................................................................................................................................................15

Notice for Industry Canada...........................................................................................................................................................15

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.

This device is intended for indoor use only.

Do not expose this device to water or moisture of any kind. Do not place drinks or

other containers with moisture on or near the device. If moisture does get in or on

the device, immediately unplug it from the power outlet and allow it to fully dry

before reapplying power.

Do not touch the device, the power cord, or any other connected cables with wet

hands.

This device uses a grounded power cord and requires a ground connection for safe

operation. Ensure that the power source has a proper ground connection. Do not

modify the plug or use a "cheater" plug to bypass the ground connection.

Do not expose this device to excessively high temperatures. Do not place it in, on,

or near heat sources, such as a fireplace, stove, radiator, etc. Do not leave it in direct

sunlight.

This device ventilates excessive heat through the slots and openings in the case. Do

not block or cover these openings. Ensure that the device is in an open area where

it can get sufficient airflow to keep from overheating.

Prior to operation, check the unit and power cord for physical damage. Do not use if

physical damage has occurred.

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.

Never unplug the unit by pulling on the power cord. Always grasp the connector

head or adapter body.

Ensure that power is turned off and disconnected before making any electrical

connections.

Clean using a soft, dry cloth only. Do not use chemical cleaners, solvents, or

detergents. For stubborn deposits, moisten the cloth with warm water.

This device has no user serviceable parts. Do not attempt to open, service, or

modify this device.

INTRODUCTION

Thank you for purchasing this Unity 100-Watt Bridgeable Power Amp! This 2-channel class

D power amplifier features a stereo speaker output, with support for 4-ohm and 8-ohm

speakers. It can deliver 50 watts per channel into 8-ohm loads or 65 watts per channel into

4-ohm loads. Additionally, the output can be bridged to provide 120 watts to a single 8-

ohm speaker. It includes a buffered loop line output of the original signal for driving

another power amplifier in distributed whole house audio systems. The amp can be

configured for always on, signal detection, or triggered power on status. It also includes a

12-volt trigger output for controlling other devices.

FEATURES

Class-D amplifier providing 50 watts/channel (RMS) into 8 ohm loads or 65

watts/channel into 4-ohm loads

Bridgeable output provides 120 watts into a single 8-ohm load

4-pole detachable speaker screw connector (Phoenix connector) with support for

up to 12 AWG speaker wire

12-volt trigger input for power-on/off

12-volt trigger output for controlling other devices

Buffered loop output of original signal for connecting additional amplifiers

Rear panel volume gain adjustment

Built-in thermal and short circuit protection circuits

Includes rack-mount ears

CUSTOMER SERVICE

The Monoprice Customer Service department is dedicated to ensuring that your ordering,

purchasing, and delivery experience is second to none. 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 during normal business hours (Mon-Fri: 5am-7pm PT, Sat-Sun: 9am-

6pm PT) or via email at [email protected]

PACKAGE CONTENTS

Please take an inventory of the package contents to ensure you have all the items listed

below. If anything is missing or damaged, please contact Monoprice Customer Service for a

replacement.

1x 100-watt stereo power amplifier

1x AC power cord (NEMA 5-15 to IEC 60320 C13)

1x Power cord anchor

2x Short rack-mount ears

1x Long rack-mount ear

1x Bridge plate

6x Button head screws

4x Countersunk screws

4x Rubber feet

1x User's manual

PRODUCT OVERVIEW

Front Panel

1. Power Switch: Turns the amplifier on and off.

2. Power LED: Illuminates amber on initial power-up, then glows either green during

normal operation or red when in standby mode.

Rear Panel

3. Line In: Stereo line-level analog RCA input jacks. When using bridged mode, the

mono input should be connected to the Linput.

4. Line Out: Stereo, buffered, loop line output of the original signal for connecting

additional amplifiers.

5. Volume: Gain control to limit the maximum volume level.

6. Output Selection: Switch to configure the type of output. When in the Bridged

position, the amplifier can be bridged for more power into a single 8-ohm load. The

8-ohm and 4-ohm positions optimize the stereo output for 8- or 4-ohm loads.

7. Power Selection: Switch to control the power-on behavior of the amplifier. When in

the On position, the amplifier is always on whenever the Power Switch (1) is in the

On position. When set to Auto, the amplifier will automatically go into standby

mode when no audio signal is detected and will power on when an audio signal is

detected. When set to the Trigger position, the amplifier will power on or off

whenever a 12-volt trigger is applied to the Trigger In (8). When set to the Auto or

Trigger positions, the Power Switch (1) on the front panel should be left in the On

position.

8. Trigger: 3.5mm jacks for 12-volt Trigger In and Out. The Trigger In can turn the

amplifier on or off and the Trigger Out can be used to control other devices.

9. Speaker: Removable Phoenix connector for attaching the speaker wires. When

connecting a single speaker in bridged mode, the negative lead should be attached

to L- and the positive lead to R+. It can accept speaker wire up to 12 AWG.

10. AC IN: IEC 60320 C14 panel connector for attaching the included power cord.

THERMAL PROTECTION

The amplifier monitors its temperature and will activate the thermal protection circuit if

the temperature exceeds a safe limit. This can occur if the amp has been operated at high

volumes for an extended period of time, if it has inadequate ventilation, or if the speaker

load is below the minimum impedance of 4 ohms. The amp will shut down when the

Thermal Protection circuit engages. You must turn off the amp's power switch and wait

until the amp cools down, then power the amp back on.

SHORT CIRCUIT PROTECTION

If the amplifier detects a short circuit on one or both speaker outputs, the Power LED (2)

will glow orange and output will be disabled. If this occurs, turn off the amplifier and check

the speakers and speaker wires for a short circuit.

MOUNTING OPTIONS

This amplifier can be placed stand-alone on a flat surface, such as a table or shelf, or can be

installed into a standard 19" equipment rack, either by itself or side-by-side with a second

Unity power amp.

Stand-Alone Setup

To use the amplifier in a stand-alone installation, locate the included sheet with four

rubber feet. Peel each rubber foot from the sheet and attach them to the bottom of the

amp at each of the four corners. This will both protect your mounting surface from

scratches and will prevent any incidental noise from vibration.

Single Rack-Mount Setup

Perform the following steps to install a single amplifier into a 19" equipment rack.

1. Using three of the button head screws, attach one short rack-mount ear to one side

of the amplifier, with the flat side flush with the front panel.

2. Using the remaining three button head screws, attach the long rack-mount ear to

the other side of the amplifier, with the long flat side flush with the front panel. It

does not matter which side of the amp has the short rack-mount ear and which side

has the long one.

3. Using rack-mount screws (not included), secure the two rack-mount ears to the rack

mount.

ON/STANDBY

POWER

Dual Rack-Mount Setup

Perform the following steps to install two amplifiers side-by-side into a 19" equipment rack.

1. Turn the amplifiers over and place them side by side.

2. Place the bridge plate over the junction of the two amps with the beveled holes

visible, then attach it to the two amps using the four countersunk screws.

3. Turn the amps over so they are right-side up, then attach one short rack-mount ear

to the exposed side of each amp using three button head screws.

4. Using rack-mount screws (not included), secure the two rack-mount ears to the rack

mount.

STEREO INSTALLATION

1. Ensure that all equipment to be connected is powered off and unplugged from its

power source prior to making any electrical or audio connections.

2. Place the amplifier in its intended location.

3. Using a 1/8" flat head screwdriver, loosen the four screws on the Speaker (9)

Phoenix connector to open the speaker wire clamps.

4. Using a two-conductor speaker wire (not included), insert the negative lead into the

L- connector, then tighten the screw to lock it in place. Give the wire a gentle tug to

ON/STANDBY

POWER

ON/STANDBY

POWER

ensure it is securely attached to the connector. Repeat for the positive lead and the

L+ connector.

5. Connect the negative lead of the speaker wire to the negative input on your left

channel speaker, then connect to the positive lead to the positive input.

6. Using a second two-conductor speaker wire, repeat steps 4 and 5 for the R- and , R+

connectors, and the right channel speaker.

7. Using a stereo RCA cable (not included), plug the left and right plugs into the Land

Rconnectors on the Line In (3), then plug the other end into the analog stereo

outputs on your preamplifier, television, or other audio source device.

8. (Optional) Using a stereo RCA cable (not included), plug one end into the inputs on

a second amplifier, then plug the left and right plugs into the Land Rconnectors on

the Line Out (4).

9. (Optional) Using a 3.5mm cable (not included), plug one end into the Trigger In (8)

jack, then plug the other end into the trigger output of your controller.

10. (Optional) Using a 3.5mm cable (not included), plug one end into the trigger input of

a device you want to control using the amplifier, then plug the other end into the

Trigger Out (8).

11. If you connected 8-ohm speakers, set the Output Selection (6) switch to the 8Ω

position. If you connected 4-ohm speakers, set it to the 4Ω position.

12. Set the Power Selection (7) switch to the On, Auto, or Trigger position, depending

on how you want to control the amplifier's power-on behavior. When set to On, the

amplifier is always on whenever the Power Switch (1) is in the On position. When set

to Auto, the amplifier will power on when an audio signal is detected and will

power off after a few minutes without an audio signal on the input. When set to the

Trigger position, the amplifier turns on and off when a 12-volt signal is detected on

the Trigger In (8). When using the Auto or Trigger options, the Power Switch (1) on

the front panel must be set to the On position.

13. Using a 1/8" flat head screwdriver, turn the Volume (5) control fully

counterclockwise to the minimum position.

14. Ensure that the Power Switch (1) is in the Off position.

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