Question about Pioneer GM-3100T 300W 2-Channel Amplifier Car Audio Amplifier

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No power to my amplifier - Pioneer GM-3100T 300W 2-Channel Amplifier Car Audio Amplifier

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REMOVE THE RCA INPUTS AND DISCONNECT THE SPEAKERS, THEN POWER THE AMPLIFIER UP WITH THIS NO INPUT, NO SPEAKER LOAD CONDITION. IF IT STILL DOES NOT POWER UP, THEN CHECK THE VOLTAGES AT THE POWER TERMINAL TO GROUND AND MAKE SURE THAT THERE IS 12 VOLTS PRESENT. ALSO, CHECK THE REMOTE LEAD VOLTAGE AND MAKE SURE IT IS NOT BELOW 11 VOLTS, WHICH COULD BE CAUSED BY A DAMAGED REMOTE OUTPUT FROM THE RADIO ITSELF. IF YOU ARE UNABLE TO CHECK THE REMOTE LEAD, THEN DISCONNECT IT FROM THE AMPLIFIER AND TEMPORARILY INSTALL A JUMPER FROM THE POSITIVE POWER TERMINAL AND THE REMOTE INPUT TERMINAL ON THE AMPLIFIER, WHICH SHOULD FORCE THE AMPLIFIER TO TURN ON. ALWAYS MAKE SURE TO VERIFY THAT THE POSITIVE AND ESPECIALLY THE GROUND CONNECTIONS, ALONG WITH THE REMOTE CONNECTIONS ARE 100%. IF THE AMPLIFIER STILL FAILS TO TURN ON, THEN THE IT WILL NEED TO BE SERVICED. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE.....V

Posted on Jan 06, 2010

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Hi I have a car amp in my room which is hooked up


Car amplifiers cannot be powered by laptop power supply. These amplifiers have different power ratings. You need to check the Car amplifiers power requirements / rating (Voltage & Current requirements) and then get a power supply with the exact same Power ratings. If the power supplied to the amplifier is less than the rated power it needs, it will not be able to drive the amplifier IC's and transistors in the amplifier and will not produce good sound.
Please check the power requirements for the amplifier and buy a suitable external power supply for it.

Sep 01, 2014 | Computers & Internet

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Not powering on


To troubleshoot amplifiers when it's not starting up

check the base to base voltage of driver transistors might be too high.

Make sure that the amplifier's ground wire is tightly attached. If it doesn't look too good then take it out and clean it. Use a metal brush to clean that area.

Low power may cause your amplifier not to turn on. Make use of voltmeters to check if your amplifier is getting the right amount of power for it to work. Amplifiers need 110 volts or less to function if the power coming in does not reach that it means you have la defective power cable. If the power is alright and it reaches a minimum of 110 volts, and your amplifier still doesn't turn on that means that there is a problem with its power supply. Checking an inline fuse helps you to determine the appropriate amp ratings when you troubleshoot amplifiers. This is the best way to troubleshoot amplifiers with power problems.

To troubleshoot amplifiers that seems to be on standby mode

Look into your input sensitivity. An input control allows you to match output voltage that is coming from the main unit going to the amplifier then to the stereo speaker. The amplifier shuts down if the gains are
adjusted too high. This is simply because it overheats when it is set too high thus it automatically shuts off. When you troubleshoot amplifiers and this happens you will notice that the volume gets lower even if the setting is too high. Be aware of the optimal levels of the components when you troubleshoot amplifiers.

Your speaker's electrical impedance may also contribute as to why your amplifier may be turned on but doesn't seem to work. Impedance is the amount of current which flows with a specific voltage throughout the transistors, capacitors, etc. Just see to it that your amplifier and speakers equal in impedance range when you troubleshoot amplifiers. Use the voltmeter to check the impedance range when you troubleshoot amplifiers.


Take care..

Sep 14, 2011 | Audio Players & Recorders

1 Answer

No power to amp


Check fuses on the amplifier's power wire to make sure it's not blown. Replace it if necessary. Also check for blown fuses on the amplifier itself. The problem could also be the amplifier's remote wire. This wire (Usually blue) needs to be wired into the stereo's power wire (usually red or yellow).

Feb 28, 2011 | Pioneer GM5400T 2-Channel Bridgeable...

1 Answer

My crown 602 xls tripped a breaker, I reset breaker regained power to receptacle , I lost power to the amp no led's come on front when i pushed the small reset button on the back I still did not regain...


They use a breaker instead of a fuse.

http://www.retrevo.com/support/Crown-XLS-602-Amps-manual/id/19050ci763/t/2/

CONDITION: No

power to the amplifier.

POSSIBLE REASON:

• The amplifier's Power switch is off.

• The amplifier is not plugged into the power receptacle.

• The amplifier's high-voltage power supply circuit breaker has tripped. Verify that the AC mains

voltage is correct, then press the Circuit Breaker button on the back panel.


Take it to the ER.

Jan 12, 2011 | Crown XLS 602 2-Channel Amplifier

1 Answer

I parelled one 15" q power subwoofer to my brideged pioneer amp.The amp got really hot and blew a fuse.How should I wire my dvc subwoofer to the briged amp.


Hello sir, hi, YOU DON'T bridge no more speakers, this upsets the impedance load of the amp. to install another sub-woofer, get another amplifier. You may have damaged your power amplifier, If you experience repeated fuse blows, your power amplifier is now SHORTED. This needs IC amplifier replacement.

Aug 19, 2010 | Pioneer GM-5300T Car Audio Amplifier

1 Answer

Carver power amplifier Pm1.5, 110 acv accidentally plug in to 220


magnetic field supplies are different than conventional types, check that the thyristor is working properly

Feb 23, 2010 | Audio Players & Recorders

1 Answer

How much is the watt power for two speakers i need


add watt power for two speakers together(100 watt as example)your amp power must be (120 watt)at least.

Dec 15, 2009 | Pioneer A509R Amplifier

2 Answers

How many watts is it


http://www.kenwoodusa.com/UserFiles/File/Global/Consumer/Manuals/kac528.pdf

Page 7 of the manual gives you all the different configurations of this amp, and it's MAX power. FYI; Kenwood rates their amps at MAX power, not clean. Hope this helps.

Sep 30, 2009 | Kenwood KAC-628 Car Audio Amplifier

1 Answer

Watts


one is peak power the other is the more accurate RMS power.

Sep 09, 2009 | Power Acoustik TS1440-2 Synchronized...

1 Answer

Fact or fiction. Are Rockford P10002 amps overrated


The efficiency of an amplifier has nothing to do with the RMS rating of the amplifier. It is true that no amplifiers are 100% efficient. The efficiency of the amplifier is calculated by how much power output it has compared to how much power it actually uses to create that output power. The RMS rating is just a measurement of the output power with no consideration of the amount of power that is needed to create that output power. Most of the high-end amplifiers are properly rated. If you see power ratings that refer to peak power, it is a little misleading. The true power of an amplifier is the RMS rating. It stands for "root means squared" but is the effective power that you hear, often referred to as the true power. It is calculated by taking the peak power and multiplying it by .707, which is always less than the peak power. When the rating of an amplifier is calculated they use a sine wave at a single frequency and it has a positive peak and a negative peak. If the power is calculated using both peaks it is called the "peak to peak" power rating. When it is calculated using only one peak it is called the "peak" power rating.

The big "con" in all of this happens when manufacturers use the "peak" power ratings instead of the "RMS" power ratings because it makes people think that the amplifier has more power when it really doesn't. Most people have no idea there is a difference in the "peak" power or the "RMS" power. It is a deceptive way of making people think that they are getting a more powerful amplifier. But none of this is related to the efficiency of the amplifier. It is theoretically impossible to make anything electronic that is 100% efficient. It always takes more power on the input than it does for the output power of anything.

I hope this answered your question, if you have any other questions feel free to ask them just by posting a response on this thread, and remember, you get what you pay for. The best amplifiers cost more for one reason, they are better. I am a big fan of Phoenix Gold amplifiers.

Dave

Sep 24, 2008 | Rockford Fosgate P10002 Car Audio...

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