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SWA-400 400-watt Subwoofer Amplifier

with DSP and Presets

P/N 31029

User's Manual

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Summary of Contents for SWA-400

Page 1: ...SWA 400 400 watt Subwoofer Amplifier with DSP and Presets P N 31029 User s Manual ...

Page 2: ...OMER 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 ...

Page 3: ... 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 phys...

Page 4: ...nit 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 wa...

Page 5: ... 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 c...

Page 6: ... 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 m...

Page 7: ... 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 lo...

Page 8: ...8 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 ...

Page 9: ...9 ...

Page 10: ...ld 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 chang...

Page 11: ...turn the control to change the volume level After 30 seconds of inactivity the menu screen will go dark After 5 minutes of inactivity the menu system will return to the Home Page Master Volume menu page Note that you must save the settings to one of the three memory storage locations or they will be lost when the amp is powered off When the amp is powered on it will revert to either the last prese...

Page 12: ...me Page Master Volume 9 6 3 0 3 6 9 Preset Choose Preset 1 2 3 Crossover Freq 60 80 90 120 150 Crossover Slope 12 18 24 48 Phase 0 45 90 135 180 Low Cut Freq 20 25 31 40Hz Mode Select Sub LFE Auto off Off 5 10 15 20 25 30 min Memory Store Mem 1 Mem 2 Mem 3 Memory Recall Mem 1 Mem 2 Mem 3 default Software Info V1 0 1 ...

Page 13: ... attenuated turned down per octave A gradual slope of 12dB allows more bleed of higher frequencies to pass through the subwoofer This is useful with smaller or cheaper main speakers that are less efficient at reproducing bass Higher slopes are more effective when used with high efficiency and bigger main speakers that do produce sufficient bass Phase This puts a slight delay on the signal sent to ...

Page 14: ...et to your liking save your settings to one of three memory storage locations Different settings for music movies and night time are a good use for memory storage positions Memory Recall Loads one of the three user defined memory storage locations Software Info Displays current software version TROUBLESHOOTING Q1 There is no sound from any connected subwoofer s A1 Check that the amplifier is plugg...

Page 15: ... business hours 7 days a week You can also get assistance through email by sending a message to tech monoprice com SPECIFICATIONS Model 31029 Maximum Power Output RMS 400 watts 4 ohms Maximum Power Output Peak 1000 watts 4 ohms Total Harmonic Distortion 1 Adjustable Low Pass Filter 60 150 Hz Adjustable Slope Roll Off 12dB 48dB Line Input Sensitivity 190mV Phase Control 0 180 Auto Power On Sensitiv...

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