Monoprice SWA-400 Manuel utilisateur

SWA-400 400-watt Subwoofer Amplifier

with DSP and Presets

P/N 31029

User's Manual

CONTENTS

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

FEATURES..............................................................................................................................................................................................................5

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

PACKAGE CONTENTS.................................................................................................................................................................................6

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

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

Rear Panel....................................................................................................................................................................................................... 7

SAMPLE CONNECTION DIAGRAMS...............................................................................................................................................8

CHANGING VOLTAGE ..............................................................................................................................................................................10

RACK MOUNTING .........................................................................................................................................................................................11

DSP MENU OPERATION...........................................................................................................................................................................11

DSP MENU MAP............................................................................................................................................................................................12

DSP MENU DETAILS................................................................................................................................................................................... 13

TROUBLESHOOTING ..................................................................................................................................................................................14

TECHNICAL SUPPORT...............................................................................................................................................................................15

SPECIFICATIONS............................................................................................................................................................................................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.

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.

Do not place or install this device in an area where it can be exposed to excessive

amounts of dust, humidity, oil, smoke, or combustible vapors.

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

physical damage has occurred.

Before plugging the unit into a power outlet, ensure that the outlet provides the

same type and level of power required by the device.

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.

Power off and unplug the amplifier from the power source before changing the

operating voltage level.

Disconnect the unit from the power source when replacing the fuse. Replace the

fuse only with the same type, unless changing the operating voltage level.

If the operating voltage level is changed, the fuse must be changed to ensure

continued protection.

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.

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.

Remove the batteries from the controller if it will go unused for a lengthy period of

time.

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.

In the event of serious operating problem, stop using the unit immediately.

FEATURES

400 watts (RMS) / 1000 watts (Peak) power output into a 4 ohm load

60 ~ 150 Hz adjustable low-pass filter

-12dB ~ -48dB adjustable roll-off/crossover slope

0 ~ 180° variable phase control in 45° increments

Built-in thermal protection

Selectable operating voltage

Can accept and pass-through line level and speaker level inputs

Can accept and pass-through 12V trigger signals

Can be set for 12V trigger, audio sensing, or front panel power switch operation

Built-in digital signal processor (DSP) with three user-defined memory storage

locations

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 SWA-400 400-watt Subwoofer Amplifier

2x Rack Mount Ears

6x Rack Mount Ear Screws

1x AC Power Cord

1x User's Manual

PRODUCT OVERVIEW

Front Panel

1. POWER: Press the POWER switch to turn the amplifier on or off.

2. LCD DISPLAY: The 16-character, 2-row LCD display shows the amplifier's status,

menus, and settings, and works in conjunction with the NAVIGATION CONTROL.

3. NAVIGATION CONTROL: Use the push and turn control to scroll through the display

menus, change settings, and program the DSP controller.

Rear Panel

1. LINE IN/OUT: Two RCA jacks for accepting line level or LFE inputs. The output RCA

jacks carry the original input signal for connecting an amplifier or other line level

device.

2. SPEAKER LEVEL IN/OUT: Speaker wire connectors for accepting a speaker level

input. The output connector carries the original input signal for connecting passive

speakers or a speaker level input on another device.

3. 12V TRIGGER: The TRIGGER switch enables or disables the 12V trigger and the input

and output connectors allow you to connect a trigger source and another device

that can respond to a 12V trigger signal. When in the MUSIC position, the amplifier

will power on when an audio signal is detected on the input. When in the 12V

position, the amplifier will turn on and off with an external 6-12 volt trigger signal.

Note that once trigger mode is enabled, the amplifier cannot be turned on without

a trigger signal. To disable the 12V trigger, ensure that the POWER switch is in the

on position, then press and hold the NAVIGATION CONTROL. TRIGGER mode will be

disabled and the amplifier will power on.

4. SUBWOOFER SPEAKER OUTPUT: 5-way binding posts for connecting a subwoofer.

The minimum signal load is 4 ohms. Multiple subwoofers can be connected, as long

as the combined load is 4 ohms or greater.

5. AC VOLTAGE SELECTOR: The switch allows selection of 110-120 or 220-240 VAC

50/60 Hz. The switch is protected from accidental activation with a plastic cover. To

change the voltage, remove the plastic cover, change the switch position, then

reattach the cover. Note that if the voltage is changed, the fuse must also be

changed to ensure protection at the new voltage level. See the

CHANGING

VOLTAGE

section for details.

6. AC INPUT: IEC 60320 C14 panel connector for attaching the AC power cord.

7. FUSE HOLDER: The FUSE HOLDER houses the power fuse, as well as a replacement

fuse. See the

CHANGING VOLTAGE

and

SPECIFICATIONS

sections for details about

the fuse.

SAMPLE CONNECTION DIAGRAMS

CHANGING VOLTAGE

The amplifier features the ability to operate with either 120 or 240 VAC nominal line

voltage level. A switch on the rear panel allows you to select which voltage level it

operates at.

To change the operating voltage, first power off and unplug the amplifier from the power

source. Next, use a Phillips screwdriver to remove the screws that hold the plastic cover in

place. Slide the switch to the desired position, then reattach the cover to prevent

accidental activation.

Next, remove the FUSE HOLDER and replace the fuse with one appropriate for the new

voltage level. The following table shows the correct fuse for each voltage level.

Voltage Level

Fuse Type

110-120 VAC, 50/60 Hz

T6.3AL/250V

220-240 VAC, 50/60 Hz

T3.15L/250V

Note that when changing voltage, you may also need to change the AC power cord to fit

the power receptacle in your country. This should be a standard grounded IEC cable rated

for 10A.

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