Most radios offer at least 2 volts of signal, but some offer 4, 5 or even 8. Does this preamp voltage matter? Does more voltage make
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Voltage fluctuations are commonly caused by over-loaded transformers, unbalanced transformer loading, and/or high
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Head units come with specifications that play a vital role in determining the quality of the audio signal they send to the amplifier. Key
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I recently installed a sub & amp in otherwise stock car, pulling signal by inline splicing off the front speaker wires behind
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A small voltage drop is normal, but excessive voltage drop can cause electrical components to underperform or fail. Technicians
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With the meter set to AC volts and the output as high as you can set it without risking damaging the speakers
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A persistent high-pitched whine that increases with engine RPM, known as alternator whine, is typically a result of
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The stereo fuse should be labelled clearly and located in the main fuse box under the steering wheel or built in behind the head unit.
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Noises can be created by loose connections between your system and your car''s battery, a low voltage supply, a bad fuse, or other
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Recognizing the signs of a faulty head unit can prevent further issues and ensure optimal performance of your audio
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It''s not the head unit. The head unit not keeping up with the amps is obvious bullshit. I''d start with the power & ground connections,
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The high-voltage incoming line cabinet is connected to other high-voltage switchgear
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An over-voltage can be caused by various sources, such as the supply voltage of the system, devices within the
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Retarding control only slightly causes V1 screen voltage to drop off extremely quickly to zero when retarding control
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The abnormal voltage and current flow in the control wiring is referred to as electromagnetic interference (EMI), which
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The power supply system is used to bring high voltage through transformer step-down to the required voltage level of the user and is
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Think of the incoming cabinet as the "main gate" of the power system. All high-voltage
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Thats why most people using a stock head unit and a cheap line out convertor with very high pre-out voltages up to 9
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Some weird electrical issues, high voltage the cause? My 2004 has been doing some strange stuff lately, and I''m trying to track down
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(Stock head unit uses external amp.) I''m trying to determine the output voltage levels of the head unit, is there a way
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A poor ground connection can lead to excessive noise, voltage drops, amplifier shutdowns,
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Does your car have a factory amplifier somewhere for the door speakers? It''s usually best to take your high level inputs off that rather
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The AC voltage components are often found on one side of the
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But what happens when the ECU is exposed to excessive voltage? Can a sudden surge render a vehicle immobile?
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What might be happening is the higher voltage preouts might be pushing your amps harder; did you reset your gains? Otherwise,
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Head unit compatibility issues arise from wiring harness mismatches, CAN bus protocol conflicts, and OEM integration
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Learn how a car audio grounding system works, what causes noise or shutdown, and how
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Diagnose electrical problems by chasing voltage drops, instead of the old-fashioned way -- checking continuity.
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A high-voltage direct current (HVDC) system uses direct current (DC) and high voltages (currently between
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