Question about Alpine MRD-M1005 1000 Watt Mono Amplifier Car Audio Amplifier

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Is not playing sound

Amp comes on like normal. tells me temp volts and where it used to show an (a) i guess thats for amps it shows ------ instead of a number. can you help?

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Check your signal going to amp and the setting on the amp it self some of those have a setting that wiil shut amp down

Posted on Jun 26, 2009

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2007 ford five hundred starts to over heat could it be the coolant temp senor


Is the vehicle overheating or is the gauge in the instrument cluster just showing it is overheating ? What's the temp. of the engine ? Using a infrared temp gun point at the upper radiator hose at the engine . At 223 degress the computer should turn on the cooling fan's , or another way to tell would be to hook up a professional scan tool a view coolant temp sensor data , what temp is the PCM seeing . Do the cooling fans come on ? Is the check engine light on ? Probably would be if the coolant temp. sensor was bad ! Testing to find the problem is the correct way to a fix , not guessing ! The electronics on your vehicle are very complex , computer controlled . Your best bet would be to take it to a qualified repair shop .
http://www.tequipment.net/Fluke62MAX.html?utm_source=Bing_Yahoo&utm_medium=cpc&utm_campaign=Shopping_Campaign&/?utm_content=infrared%20temp%20gun&utm_term=&utm_campaign=Shopping%20Campaign(BSC)&utm_source=Bing_Yahoo&utm_medium=cpc

Apr 24, 2017 | Ford Cars & Trucks

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We have a SR200 NA Sta-Rite heater on our pool. We just replaced the thermistor today. Now the digital temperature readout keeps jumping back & forth between 91 & 104. (water temp. was only about...


That unit has specific instructions for water temp operation at 60 or lower. The display also can show diagnostic info and there are indicator lights for diagnostics. Do you have any of those showing any errors? If the temp is jumping from 91 to 104 instantly and then back down to 91 instantly, this is a wiring issue or a bad thermistor. Check the wiring and use an OHM meter to check the thermistor, it should have a chart that shows a resistance at a certain temp. There is a limit switch right next to the thermistor, Make sure it is not shorting out with that.

Nov 20, 2017 | Sta Rite Pool & Spa

2 Answers

Oster Fpstdh0101 4tray Electric Food Dehydrator wattage


well, I'm guessing on the tag or label it shows something like this
120V ~ 60 hz 10.5 amps or
120V ~ 60 hz 10.5A or
120V ~ 60hz 11A (some manufactures round up if it falls into the same wire gauge)
120Volts ~ 60hz 1260w or
120Volts ~ 60HZ 1260 watt
120V stands for normal operating voltage
"~" means ac current
60 herzts stands for how many cycles


So if your unit shows only amps, it's really simple to figure out wattage


take the voltage shown, in my example it's 120, then multiply the amps, in my example it's 10.5. So 120 X 10.5 = 1260 watts

W = V * A

and vice versus, if it only show wattage and you needed to know what gauge wire you needed to run a receptical to operate it

AMPERAGE = VOLTS / WATTAGE

Mar 07, 2013 | Oster Fpstdh0101 4tray Electric Food...

1 Answer

It is showing fractions instead of Decimals when i do equations like (4 divided by 9) it gives 4/9 instead of the decimal.


Calculation results will be displayed using
fractions, r, and ?. When you press CHANGE, the display will cycle
through the following display styles:
• Mixed fractions (with or without ?) ? improper fractions (with
or without ?) ? decimal numbers
• Proper fractions (with or without ?) ? decimal numbers.

Feb 03, 2011 | Sharp ELW535 Calculator

1 Answer

Need fuses for samson amp


The manual recommends 4 Amp Slow blow for 115 volt operation or 2 Amp Slow blow for 230 Volt operation for the 201a.
http://s3.amazonaws.com/samsontech/related_docs/Servo201a_OM_5L_v1_1.pdf

For the 260 Amp manual shows 10 Amp normal for 115 volt operation and 5 Amp nomal for 230 volt operation.
http://s3.amazonaws.com/samsontech/related_docs/ACF1AAF.pdf

Dec 31, 2009 | Samson Audio Players & Recorders

1 Answer

20-Volt DC Power Supply instead of 12-Volt amp


Here's a few things that come to mind. An auto charging system will operate normally from about 11 Volts to about 14.5 Volts, depending on what is operating (lights, blower,etc), and whether the vehicle is at idle or not. Most car amps will operate from about 10.5 to 16.5 Volts, and outside that range, they will probably shut down.
Another consideration is your 20 volt power supply. You didn't mention if it is a DC power supply, but it needs to be. The other factor is its output, meaning its amperage rating. I'm figuring it will need to put about 5 amps, at the least, for the Sony to put out some watts. I think the line fuses of the Sony are rated @ 25 amps each.
I don't like this type of situation, because I want to say 'try it and see what happens" and I want to say 'don't do it, something may blow".
If you decide to try the 20Volt power supply, maybe if you put smaller rated fuses (say 10 amp) in the Sony amp, they will act as a fail safe. Good luck!

Jul 26, 2009 | Sony Xplod XM-554ZR Car Audio Amplifier

3 Answers

High amp start up draw


I don't care what kind of stories Craftsman tells, their numbers don't add up.
One horsepower is ~ = 740 watts of energy.
2.5 hp equates to a steady-state power consumption of  ~1850W and this could be 50% higher during the first second or two after turn-on.  Your 15 Amp circuit is pushed to the limit by that power level; 15 Amps X 120 VAC = 1800W And, motors aren't a breakeven game; part of the power they draw is wasted in heat.

9 amps steady-state would be a power consumption of over 6kw which cannot be right. Either your measurements or the motor is faulty. 







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4 Answers

Kicker SX900.2 keeps overheating. Please help!!! = )


sorry your problem is the soft you moust go to the service center

Aug 16, 2007 | Kicker ZR600 Car Audio Amplifier

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