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Amps rating of philips amplifier 8148 model

Required amps rating for amplifier model no.8148 or wattage

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Posted on Jan 02, 2017

Ganx
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SOURCE: Pioneer 12v car amp rated at 1200 watts max requires ? amp fuse

Hi I would suggest 40A (i know guys will disagree) but you shouldnt be running at full 50A. Fuse are often rate at 50% - 75% of the actual consumption. By the way, 8 guage @40A will give you about a 2% drop at 5 feet. Maybe consider heavier for 40A?? Just a suggestion

Posted on Jul 25, 2009

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Output wattage of sony speaker system model ss-cfx250


Passive speakers don't have an output wattage rating, that would be applied to the amplifier :-) The INPUT wattage rating of these speakers is 5 watts RMS per speaker.

Jul 14, 2014 | Sony Audio Players & Recorders

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Can u tell me what amp I need to run my 2 x 400w EV sb122 bass speakers and 2 x 300w EV sx300w top speakers


The wattage listed on the speakers is the peak wattage the speakers are rated to handle. You need amplifiers that do not exceed that maximum. A 50 watt amp would drive them fairly well but you would do better with a 100 to 200 watt amplifier. Note: the speaker rating is peak power handling. Amplifiers these days are usually rated at peak output too but sometimes (old or very high quality) amplifiers are rated at sustained power (RMS). If you are working with one of these amplifiers you will need an amplifier with a lower rating. Also make sure the amplifier is designed to run the same load as the speakers. This is usually either 8 ohm or 4 ohm. Make sure the speakers and amplifier are rated the same.

Apr 17, 2013 | Audio Players & Recorders

1 Answer

I have the phillips hts5580w. how much wattage output does it have? an does this system have a built in amplifier as well?


Anything that drives speakers must be or have amplifiers. They are rated in watts.

http://www.retrevo.com/support/Philips-HTS5580W-Home-Theater-Systems-manual/id/23889dj591/t/2/

It says the power output, presumably in the phoniest of terms - all channels summed together with THIRTY PRECENT DISTORTION which would seriously risk any speaker system and the health of tha amps themselves - is 1000 watts. This is a joke, a lie, marekting at its worst, especially when the totoal power consumption of the unit (that power whci it drwas from the wall outlet) is ONLY 135 watts.

Philips must be onto something no one else has ever seen - they get six times as much sound energy out of the unit as the amount of electricity that goes into it, plus all that heat. That, my friend, would be a miracle and would put all the reputable amp maufacturers, who rate their amps in honest watts per channel at certain (vanishingly low) distortion figures, to shame.

If you push this unit into sustained 30% distortion it will self destruct.

Aug 04, 2011 | Philips HTS5580W Theater System

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I am considering buying a used unit but need to know the amps requirement


Most dryers require a 220VAC 30 AMP circuit. Some of the exotic ones use up to 50 amps but not many domestic ones.

Jun 08, 2011 | Dryers

1 Answer

I have a old 2001 rockford fosgate 2 channel p5002 model in great condition just need to know how many watts is it and which subwoofers are compatible to this amp? thanks


Your amp is rated at 500 watts. Here is the break down of your wattage.

125x2 at 4 ohms
250x2 at 2 ohms
500x1 at bridged 4 ohms

When hooking up the amp make sure to use 4 gauge power and ground wire.

Jan 07, 2011 | Rockford Fosgate Punch P5002 Car Audio...

1 Answer

How can i get more power through 8 ohm speakers?


In addition to the impedance rating of a speaker, there is also a wattage rating. Ideally, power output of the amplifier should not exceed the power handling rating of the speakers. The input impedance of the speakers should match the amplifier output impedance for maximum power transfer (Rin = Rout where R is resistance in Ohms). Supplying more power or wattage to the speaker than it can handle will result in distortion, and if the output of the amp is high enough and present long enough, it will damage the voice coil of the speaker. Make sure that when comparing wattage ratings, you are comparing the same rating between amps & speakers. Watts can be expressed three different ways: "Peak", "Peak to Peak" and the industry standard "RMS". The relationship is such: an industry standard value of "70 Watts RMS" (70W RMS) equals "100 Watts Peak" (100W P) *and* also is the same as "200 Watts Peak to Peak" (200W P-P). Furthermore, there is no such thing as 200W "Music Power" (but is often expressed this way to inflate the RMS wattage rating (and usually is close to the P-P rating). A speaker is an electrical device, so most the things that happen to electrical devices when over powered can happen to speakers and amplifiers, too.

Increasing the signal source level (input signal to the amp via volume control) in an attempt to get more audio power to the speaker can overdrive the amplifier - resulting in "clipping". This is plainly heard as "muddied" sound. The otherwise loud, crisp, clean passages in music end up sounding garbled and unpleasant when an amplifier is over driven in this way. This can damage both the amp and the speaker.

Cheap amps with higher THD (total harmonic distortion) ratings sound worse than their counterparts with a lower THD rating - when all other variables are the same. You'll pay extra for lower THD values.

You might be able to make a speaker seem louder by positioning the speakers against a wall, on the floor, etc. Experiment; as it can make a significant difference in sound levels and low frequency bass sounds.

I hope this was helpful!

Jun 11, 2010 | Yamaha Emx62m Powered PA Mixer System

1 Answer

Can i use a 150watt wireing harness with a 20 amp fuse for this model?


Depends on the wattage of the amp, if the amp is 150 watts then yes use a 150 watt amp kit, but i'd go with a 30 amp fuse. Basically just buy an amp kit rated at the wattage of the amp, my preferred brand is street wire, but if you're on a budget buy Scosche. Good Luck, if you have any more questions please ask...

Sep 22, 2009 | Power Acoustik Gothic Series 2-Channel...

3 Answers

Adjusting wattage on kenwood kac 9103 class D mono amp


That amplifier is 900W x 1 @ 2ohms.
If your subs are 4ohm SVC wired Parallel, resulting in a 2 ohm load, each sub will only see 1/2 of the rated power. (450W ea.)
Your gain (sensitivity) setting should be between 75% and 85% to max. You will be fine.

Jan 02, 2009 | Kenwood KAC-9103D Car Audio Amplifier

1 Answer

I am buying a pioneer vsx-d414 receiver and want to no if it will drive my cerwin vega e-712 speakersv says for receivers rated 8ohms or lower.. , just currious


Yes the Pioneer will drive the Cerwin Vega speakers. The Pioneer requires at least 8 ohm speakers and if the Cerwin Vega speakers are 8 ohms, it won't be ******* the receiver.

The speakers you have are high wattage, so the Pioneer may not be able to get the most out of them, but it should be pretty good.

It is always good to have speakers rated at a higher wattage than the receiver, that way the receiver will not fry the speakers. No matter what the wattage of a speaker, it will not pull more power out of an amplifier than the amplifier is capable of delivering. Some people have a mis-conception that if a speaker is higher rated that it will blow up the amp, this is just not true. Speakers do not pull power from an amp, they only put out as much power as the amp is pushing into them. But you can blow up an amp by driving it too hard for too long of time. They just get too hot and the heat stresses the amp circuit after a while.

I hope this helps.

Dave

Jul 18, 2008 | Audio Players & Recorders

2 Answers

Volfenhag zx-8200 best sound


Your amps wattage is determined first by alternator voltage, amperage, Then all, and I do mean all, the wiring from there to the battery, battery terminal condition, amp connection, wire size, power and ground and the resistance of every connection.

Next comes the amp itself, Is the RMS rating honest ?
Their is no FTC law or standard governing car audio specs.or for that matter, even home theater except for the two front channels, but I digress.

The amp itself comes in a few flavors A, B, AB, D and those are just the basics. except for D most are only 50% efficient.
Why do you suppose they make such good heaters ? ( wasted power)
You also have regulated, non-regulated, low voltage only regulated etc. etc.....

Than their is bridging, It's a generic term for using both voltage rails in the amp to accomplish more power at the cost of sound quality. There ain't no free lunch.

Speaker size or rating has absolutely no bearing on wattage,
The only parameters here are impedance and efficiency (larger is usually a little more efficient and go's lower in frequency). And power handling (voice coil and Magnet assembly (heatsink)
So your options are, custom wound alternator, big wires.a capacitor, only helps for transients (a very short durations of sound) Extra batteries will only give you longer play time before you have to start the car,

It's important to have a properly constructed and internally braced box, 3/4 MDF minimum, well sealed.
In order of SPL, declining power handling and increase in size they are, sealed, ported, and bandpass.
Oh. Did I mention money?
What does a remote have to do with SPL ? Beats Me.
Class dismissed, Sumthin

Jun 04, 2008 | Volfenhag ZX-8200 Car Audio Amplifier

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