Why do my subs have a heartbeat?

The protection mode and the heartbeat sound can be caused by a poor ground connection or a bad ground-loop
ground-loop
In sound recording and reproduction, ground lift or earth lift is a technique used to reduce or eliminate ground-related noise arising from ground loops in audio cables. It may also increase or decrease noise from other sources.
https://en.wikipedia.org › wiki › Ground_lift
problem
. Even if the amp's ground connection looks okay, try a different grounding point for the amp and see if that helps.
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Why does my speaker sound like a heartbeat?

The heartbeat sound only occurs when devices are powered on and a sound signal is being sent. No sound is made if the system is off or no audio is being played.
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Why are my subs making a weird noise?

Subwoofer hum or buzz is a low-level noise that can be present whenever a passive or powered subwoofer is turned on, whether or not it is playing. This 60-hertz hum is a result of being plugged into an AC wall outlet. Sometimes the hum is noticeable; sometimes, it takes some focused listening to notice.
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Why am I getting feedback on my sub?

The voltage difference between a subwoofer electrical ground and the equipment ground can cause it to hum. This can happen because of the irregular current flow in your audio cable. Turning on the volume too high can also cause a hum.
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What does a blown Sub sound like?

Partial sound with distortion – When you hear a weak, distorted sound coming from your subwoofer, at any volume, you probably have a partially blown subwoofer on your hands.
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please help! my amp is acting weird. protection mode, heart beat sound



Why does my subwoofer make a vibrating noise inside?

Subwoofers often rattle when there are loose components, but it they can also rattle if they are underpowered or overpowered. It's important that you do an inspection on your subwoofers before each and every performance. Subwoofers are crucial devices for your home theatre system.
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Is it OK to Underpower a subwoofer?

Underpowering a subwoofer isn't inherently bad for the sub. Not giving it enough power just means that the music will sound weak and lack detail. The danger is when that power is coming from an amplifier that's being overworked and sending out a clipped signal.
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Why do my subs pop when I turn my car off?

What can be causing this is the audio signal before the amp is shutting off before the amplifier(s) turn off. This causes the popping sound. More than likely the DSP is turning off before the amps. This is sorta like yanking the RCA cables to the amp while the system is running.
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Why do speakers pop when you turn them on?

Speaker popping and crackling are caused by interrupted electrical current (audio signals) or, in other words, a loose or dirty connection. To fix crackling and popping, troubleshoot the connective wires to find the problem area and secure the connection and/or replace the cable.
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Why do my speakers pop when I turn them off?

Typically a turn off pop is caused either by a grounding issue, or just for the simple fact that the amp needs to turn off before all the other equipment. To confirm it is not a grounding issue, the first thing to do is try the different jumper positions on the unit.
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Can subwoofers damage your heart?

For most of us, this is nothing to worry about. Unless you have a serious heart condition, the pounding bass shouldn't affect your heart muscle. But if you feel chest vibrations when you aren't around loud sounds, this could be a sign of an abnormal heart rhythm - see your doc to get it checked out.
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Why does bass hurt my chest?

Noppen said he and his colleagues suspect that loud music may damage the lungs due to its booming bass frequency, which can be felt as a vibration going through the body. The lungs may essentially start to vibrate in the same frequency as the bass, which could cause a lung to rupture.
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What bass frequencies can you feel?

Most bass signals in modern music tracks lie around the 90-200 Hz area. The frequencies around 250 Hz can add a feeling of warmth to the bass without loss of definition.
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What does it sound like when a sub is clipping?

What does subwoofer clipping sound like? Clipping is the result of amplifiers being pushed to the point where they can no longer control the speaker and bringing it back to zero for the next cycle of an audio signal in analog systems. The sound becomes muddy and unintelligible in an analog system.
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Do subwoofers get louder as they break-in?

Do Subwoofers Get Louder as They Break-In? Yes! It's important to remember that break-in always sounds different than your speakers will after they are broken in, but if you take care of them and listen during this process then you can achieve fantastic results.
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What if my amp is too powerful for my sub?

You have to ensure that the specs of your devices are in line. Otherwise, too much power could cause damage to both your external amp and active subwoofer. So, using an external amp with your active sub just to push the output to extreme levels is not ideal.
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How long should I break-in my subwoofer?

Some speaker manufacturers will recommend a break-in period of around 10 hours. That should be plenty of time to allow your subwoofer to get settled in, if you decide to do this at all.
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How do I stop my subwoofer from vibrating?

One way to decouple a sub from the floor is to place the sub on an isolation pad or platform. Typically, this is a flat piece of hard material sitting on a layer of foam, which dampens the cabinet vibrations.
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How do you fix a vibrating subwoofer?

How to Fix a Rattling Subwoofer
  1. Reposition the subwoofer slightly. If the subwoofer is too close to objects in a bookcase or on a shelf, it may cause them to move, creating the rattle. ...
  2. Remove any objects from the top of the subwoofer enclosure. ...
  3. Check the cabling connections to the subwoofer.
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How do I stop my subwoofer from buzzing?

This is how you can get rid of humming

Disconnect the antenna cable from the receiver (if it is a receiver as source device) and check if the subwoofer is still humming. If it doesn't, you can use an intermediate sheath current filter (also available in our shop) to eliminate the hum loop and the problem is solved.
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