VM Audio SRA1500.1 Install Manual Download Page 9

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Series Subwoofer Wiring

80 Hz

Amplifier Filter Settings

Connect subwoofer 1’s positive

terminal to the negative

(

) terminal on subwoofer 2, then connect the negative

(

) terminal of subwoofer 1 to the negative (

) terminal on

the amplifier. Connect subwoofer’s 2 positive

terminal

to the positive

terminal on the amplifier.

2Ω - 4Ω

TOTAL

IMPEDANCE

Parallel Subwoofer Wiring

80 Hz

Amplifier Filter Setting

Connect the positive

terminals from subwoofers 1

and 2 to the positive

terminal on the amplifier, then

connect the negative (

) terminals from subwoofers 1

and 2 to the negative (

) terminal on the amplifier.

2Ω - 4Ω

TOTAL

IMPEDANCE

SPEAKER WIRING

Continued...

Summary of Contents for SRA1500.1

Page 1: ...SRA1500 1 SRA2200 1 MONO AMPLIFIERS ...

Page 2: ... the value of your investment Class A B Amplifiers Low Noise and Distortion Bridgeable Outputs DC to DC PWM Conversion Unbalanced Inputs Soft Turn On Discrete Signal Processing Preamp Stereo Outputs Amplifier Protection Circuits Variable Gain Control Lowpass Active Crossover Frequency Variable Crossover Bass Boost Gain Remote Bass Adjustment FEATURES INTRODUCTION FEATURES FUNCTIONS GETTING STARTED...

Page 3: ...djustment Knob 4 BASS BOOST Bass Adjustment Knob 5 LPF Low Frequency Filter Adjustment Knob 6 REMOTE Remote Bass Knob Cable Plug 7 LED Power Status LED Rear Panel 8 POWER INPUT Power Cable Terminal 9 FUSE In Line Protection Fuse s 10 SPEAKER OUTPUT Speaker Wire Terminal 1 2 3 4 5 6 7 9 10 8 SRA1500 1 Shown SRA1500 1 Shown ...

Page 4: ...he engine compartment 5 6 GETTING STARTED Wiring Before you begin routing and connecting the power wires disconnect the negative ground cable from the vehicle s battery Install and connect the highest possible wire gauge the amplifier s terminal will accept 1 0 GAUGE for both power cables 12V and GND Install an in line fuse into the positive wire 18 inches away from the car battery It should be th...

Page 5: ...each end of the power cables 2 Connect one end of the power cable to the positive battery post 3 Install an in line fuse holder 18 inches away from the car battery 4 Route the power cable from the battery to the in line fuse holder and connect 5 Route the power cable from the in line fuse to the amplifier s power terminal or a power capacitor such as VM Audio SRCAP2 0 6 Connect the power cable to ...

Page 6: ... the amplifier automatically when your stereo is turned on Consult with the manufacturer s user guide for your stereo head unit to locate the remote or turn on wire as some manufacturers might label their amplifier turn on feature differently GROUND 1 Locate a good non rusted chassis metal point in the vehicle 2 Mark and drill a screw hole with an electric drill where chassis ground connection is ...

Page 7: ...must be used Both line inputs need to be connected to the stereo head unit in order to use all of the speaker outputs Linking Amplifier The pre amp line outputs allow linking additional amplifiers without the need to split the audio signals from the stereo using Y RCA cable adaptors Stereo RCA Cables Speaker Wires High to Low Level Converter not included Left Channel Right Channel Right Channel Le...

Page 8: ... Filter Setting 2Ω 4Ω SPEAKER IMPEDANCE REMOTE CONNECTION The remote control knob will allow you to control the bass output from your dashboard Remote Cable Plugin Remote Bass Knob Remote Plug on Amplifier 1 Carefully route the cable included from the amplifier to your stereo head unit 2 Once the cable is in place connect one end of the cable to the remote bass knob 3 Connect the other end of the ...

Page 9: ... amplifier Connect subwoofer s 2 positive terminal to the positive terminal on the amplifier 1 2 2Ω 4Ω TOTAL IMPEDANCE Parallel Subwoofer Wiring 80 Hz Amplifier Filter Setting 1 2 Connect the positive terminals from subwoofers 1 and 2 to the positive terminal on the amplifier then connect the negative terminals from subwoofers 1 and 2 to the negative terminal on the amplifier 2Ω 4Ω TOTAL IMPEDANCE...

Page 10: ...the Gain control is properly set you should be able to achieve the maximum undistorted output with the volume turned all the way up Warning Do not set the amplifier s gain very high as noise distortion and amplifier heat will increase significantly and amplifier failure could occur If Bass Boost is used keep the Gain setting down CONTROLS Description Gain This feature controls the audio input sign...

Page 11: ... 2 Speaker may be damaged Inspect each speaker cone for signs of damage frozen cone burned smell separated or ripped surround or spider REDUCED BASS 1 Speakers may be wired in reverse polarity Reverse a speaker connection from positive to negative on the stereo or speaker Setting Bass Boost 1 Turn the gain and bass control all the way down counterclockwise 2 Turn the vehicle on and make sure the s...

Page 12: ...e with a fuse of the same rating in accordance with the manufacturer s suggestion WHINING NOISE WHEN ENGINE IS ON 1 RCA cables too close to power wire Separate RCA and power cables Run an extra set of RCAs on the outside of the vehicle and if noise is eliminated you might need a better shielded RCA cable 2 Ground loop problem Re Ground the amplifier to a more electrically conductive location Re Gr...

Page 13: ...edy claim of your warranty service Contact VM Audio directly to find the Authorized Dealers nearest you In the case the defective merchandise needs to be returned to VM Audio please contact us and a Return Merchandise Authorization RMA number will be assigned It is important to pack all defective items in the original packaging to prevent damages from shipping and be sure to write the RMA number c...

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VM Audio SRA1500.1, Install Manual

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