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HSU 500A, Instruction Manual

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Table of Contents

Introduction

i

Rear Panel Diagram  ii

C H A P T E R   1 :
S ET T I N G   U P

Features

1

Unpacking

1

Amplifier Placement  1

Connecting

2

To Your System

C H A P T E R   2 :
F I N E   T U N I N G

Crossover 

Panel 

6

Phase 

Switch 

7

Crossover 

Switch 

7

Volume 

Level 

7

C H A P T E R   3 :
T R O U B LE S H O O TI N G

Problems 

and 

9

Solutions

Appendix A:

12

Technical
Specifications

Summary of Contents for 500A

Page 1: ...HSURESEARCH InstructionManual 500 Watt Amplifier ...

Page 2: ......

Page 3: ... SETTI NG UP Features 1 Unpacking 1 Amplifier Placement 1 Connecting 2 To Your System CHAPTER 2 FINE TUNING Crossover Panel 6 Phase Switch 7 Crossover Switch 7 Volume Level 7 CHAPTER 3 TROUBLES HOOTI NG Problems and 9 Solutions Appendix A 12 Technical Specifications ...

Page 4: ...ombinations in the market Our amplifiers have been optimized to yield the highest performance attainable from our subwoofers so you can be assured that your experience with our product will be a pleasant one Before beginning to enjoy your new amplifier please read through this manual to familiarize yourself with all of the features of the 500 Watt Amplifier ...

Page 5: ...r to your AC outlet 6 Line Level Input For connecting to systems with sub out or pre amp outputs 7 Line Level All Pass Output Full range output for daisy chaining 8 Line Level High Pass Output For connecting to your main amplifier when you want to keep the low frequencies out of the main speakers 9 Crossover EQ Panel For accessing the crossover modules and equalization See page 6 for details 10 Cr...

Page 6: ...ug if you are experiencing humming or buzzing noise due to ground loops problems When using the cheater plug bend back the grounding tab away from the side that plugs in to the wall so that you do not ground it as this would ground the amplifier and defeat the purpose of using the cheater plug Amplifier Placement Our preference is to place the Hsu amplifier close to your main amplifier and or rece...

Page 7: ... to the line level input of your 500 Watt amplifier via a Y adapter splitter to both line in on the back of the 500 Watt amplifier Set the crossover frequency of your processor appropriately for your main speakers and set the over switch on the back of the 500 Watt amplifier to out If your processor does not allow you to select the optimal crossover frequency follow the instructions below for conn...

Page 8: ... installed with 51 Hz crossovers If this is not appropriate you can get optional crossover modules from us see Appendix A for the list of available frequencies If you do not have a dedicated sub out jack on your receiver or amplifier or if your preamp processor does not allow you to select the optimal crossover frequency you can set your preamp processor for no subwoofer and large main speakers th...

Page 9: ...put is available you need to run speaker wires from your main amplifier or receiver to the subwoofer amplifier Run the left and right channel to the subwoofer amplifier and secure the speaker wires to the appropriate input binding posts located on the back of the subwoofer amplifier under speaker level input Be sure to double check that the polarity on the receiver or amplifier matches the polarit...

Page 10: ... also run one cable to the first subwoofer and a short cable from the first subwoofer to the second subwoofer If you are running one cable to two subwoofers use heavier wires 10 AWG instead of 12 AWG 12 instead of 14 AWG for the long run The short wires can be a 14 or 16 AWG wire Finishing Up Check to see that the red voltage selector switch on the back of the amplifier is set to the correct volta...

Page 11: ...le labeled Select 1 is the crossover for the left channel high pass Select 2 is the right channel high pass and Select 3 is the low pass crossover These plug in modules set the crossover frequency We have optional modules for other crossover frequencies See Appendix A for available frequencies To purchase extra crossover modules please contact Hsu Research or visit our website at www hsuresearch c...

Page 12: ...ening chair and set for around 75 dB level in the 40 80 Hz range Do not run test tones at very high SPL as this can potentially damage the subwoofer Alternatively adjust for a bass level you prefer Some prefer to set the bass level somewhat higher than the main speakers partly for loudness compensation since most people do not listen to material at reference levels A good approach is to set the su...

Page 13: ... away when interconnects are disconnected hum is coming from the rest of your equipment Add them back one piece at a time The one that causes the system to hum is the source of the hum AC power not getting to the amplifier Check that the power cord is plugged in securely at both ends and make sure that the power outlet the subwoofer amplifier is plugged into is functioning properly No output from ...

Page 14: ...r woofer back for service No output from the subwoofer Blue LED lights up You used speaker level connections and one or both your main amplifier s are not true ground Connect only to the channel that has a true ground If neither channel has a true ground email or call technical support Bass output from subwoofer is low Level on subwoofer or receiver s subwoofer output is too low Increase the volum...

Page 15: ... frequencies are 28 34 43 51 standard 62 75 91 108 133 155 Hz Input Impedance 10k ohm line 1k ohm speaker Inputs Stereo line level and speaker level Output Stereo line level high pass and all pass and mono speaker level subwoofer out Controls Subwoofer level phase 0 180 degrees and crossover in out Feature Soft clipping Shipping Weight 36 lbs Dimensions 6 5 h x 19 w x 16 75 d Power Requirements 12...

Page 16: ... Hsu Research 3160 E La Palma Ave Suite D Anaheim CA 92806 Tel 714 666 9260 Fax 714 666 9261 www hsuresearch com ...

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