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Power rating I have a 30watts rms x 2 channel bridgeable car amp. and my question is if its ok to connect my 10" speaker rated 100watts rms to this amp?

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If the speaker can be wired to be a safe load for the amp, it's OK.

Posted on Jun 08, 2008

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How many watts per channel do Polaroid PBT3002 bluetooth speakers put out? How many ohms resistance? Can't seem to find this info anywhere.


This tends to be make and model specific! Speakers don't 'put out' power, amplifiers do. Speakers are rated at a certain power, which if you exceed that wattage, you damage the cones or coils.

Car amps 100watts per channel PEAK power, rather then RMS which is better. 8 Ohms.

Speakers should be capable of taking 20% more power than the amp can drive.

May 17, 2016 | Audio Players & Recorders

1 Answer

How many watts is my jl audio 2150 amplifier


It depends on whether you have the M2150, A2150, or E2150.

M2150 Class A/B Two-Channel Full-Range Amplifier Specifications:
Rated Power 14.4 V Stereo: 70 W RMS x 2 @ 4 ohm, 110 W RMS x 2 @ 2 ohm
Rated Power 14.4 V Bridged: 140 W RMS x 1 @ 8 ohm, 220 W RMS x 1 @ 4 ohm
Rated Power 12.5 V Stereo: 45W RMS x 2 @ 4 ohm, 75W RMS x 2 @ 2 ohm
Rated Power 12.5 V Bridged: 90W RMS x 1 @ 8 ohm, 150W RMS x 1 @ 4 ohm
THD at Rated Power: 12.5V: <0.08% THD, 20Hz-20kHz, 14.4V: <1% THD, 20Hz-20kHz
S/N Ratio: >104 dB referred to rated power (A-weighted, 20Hz-20kHz noise bandwidth)
Frequency Response: 10 Hz-25 kHz (+0, -1dB)
Damping Factor: >200 @ 4 ohm per ch. / 50 Hz, >100 @ 2 ohm per ch. / 50 Hz
Input Range: 200mV, 8V RMS

E2150 Class A/B Two-Channel Full-Range Amplifier Specifications:
Rated Power 12.5 V Stereo: 45W RMS x 2 @ 4 ohm, 75W RMS x 2 @ 2 ohm
Rated Power 12.5 V Bridged: 90W RMS x 1 @ 8 ohm, 150W RMS x 1 @ 4 ohm
THD at Rated Power: <0.08% @ 4 ohm 20Hz-20kHz
S/N Ratio: >104 dB referred to rated power (A-weighted, 20Hz-20kHz noise bandwidth)
Frequency Response: 10Hz-25kHz (+0, -1dB)
Damping Factor: >200 @ 4 ohm per ch. / 50 Hz, >100 @ 2 ohm per ch. / 50 Hz
Input Range: 200mV, 8V RMS

A2150 Class A/B Two-Channel Amplifier Specifications:
Rated Power 12.5 V Stereo: 45W RMS x 2 @ 4 ohm, 75W RMS x 2 @ 2 ohm
Rated Power 12.5 V Bridged: 150W RMS x 1 @ 4 ohm
THD at Rated Power: <1% @ 4 ohm 20Hz-20kHz
S/N Ratio: >104 dB referred to rated power (A-weighted, 20Hz-20kHz noise bandwidth)
Frequency Response: 10Hz-25kHz (+0, -1dB)
Damping Factor: >200 @ 4 ohm per ch. / 50 Hz, >100 @ 2 ohm per ch. / 50 Hz
Input Range: 200mV, 8V RMS

Mar 23, 2011 | Car Audio & Video

1 Answer

Can this power a subwoofer and what is the rms wattage


Hello crucible19,

The Alpine MRP-F240 is a 4-channel amp that outputs 40 watts RMS per channel. It is more suited for powering normal speakers, but since it is bridgeable, you could power a small sub by bridging 2 of the channels.

Hope this helps.

Oct 02, 2009 | Alpine MRP-F240 Car Audio Amplifier

1 Answer

Amplification


You need to now the RMS for a true capacity of your speakers and your amp.

I would say you are OK, with a margin, but if you turn the amp to max and blow the speakers, please dont call me.

Sep 30, 2009 | Sunfire Cinema Grand Signature 400 seven...

2 Answers

Car Ampli Problem


forget hooking this on a subwoofer. this amp produces only 50 watts per channel at 4ohms or 70 watts per channel at 2 ohms RMS...
If you try bridging the sub, it will only give out maybe 100watts bridged.
So..... if your sub is, lets say 1000watts RMS, youre just going to bust your amplifier to smoke...
Find a more decent and powerful amp. This amp is only intended for separates and lowend subs with an RMS of 80 to 150 watts

Sep 08, 2009 | Eclipse EA3422 Car Audio Amplifier

1 Answer

What speakers


Hello enot99,

The CC-2502 is a bridgeable 2-channel amp. If you want to drive normal speakers in stereo, the best would be a good set of components with separate woofers, tweeters, and crossovers. They are available in many sizes from most car audio manufacturers. I'd begin by finding out what speakers fit the location where you intend to mount them. Then I'd browse the speaker selections in that size at www.crutchfield.com. You can also use the "outfit my car" feature to browse only the products that fit. Then select a pair that has a power range and impedance to match the amp: 250 watts RMS at 4ohms or 450 watts RMS at 2ohms.

If you want to use the amp in bridged mono mode to drive a subwoofer, again Crutchfield has a large selection of subs and some enclosures already fitted with subs (loaded). The amp claims 850 watts RMS into 4ohms bridged, so look for a sub that has a power handling rating of at least 850 watts and it needs to be 4ohms.

Hope this helps.

Aug 02, 2009 | Concept CC-2502 Car Audio Amplifier

2 Answers

What amp do i need to power a Polk Audio db1040DVCin brigded connection, i only plan to run one sub, i want to bridge the sub for better sound quality, and i'm buying straight polk, what do i need


Hello oran1891,

OK, you don't bridge subs. You bridge amps, if they are capable of being bridged (not all are).

Bridging is a method of connecting the channels of a multi-channel amp in such a way that the amp delivers the output of 2 stereo channels into a single mono load.

The Polk DB1040DVC is a sub with dual 4ohm voice coils. You can wire the voice coils to present a final 2ohm load (parallel) or a final 8ohm load (series). The rated power range is 50-270 watts RMS. Since you can parallel the voice coils and have them present a 2ohm load to the amp, you are looking for an amp that provides a minimum of 50 and a maximum of 270 (round it up to 300) watts into a 2ohm load. The Rockford-Fosgate Punch 300.1 shown here for $170 seems tailor made for your Sub. If you can make do with less power and want to spend a little less money, the Orion Cobalt CO500.1 will deliver 250 watts RMS at 2ohms and you can buy it for $140. The punch is a better deal. If you decide to add another sub later, it will power them both with 150 watts each, a little low, but still decent. If you want a 2-channel bridgeable amp, I'd recommend the Kicker 08DX3002 shown here for $200. Note that in bridged mode, it is not stable at 2ohms, only down to 4ohms.

Hope this helps.

Jul 17, 2009 | Polk Audio DB1040DVC Car Speaker

1 Answer

Hi,just bought a 6x9 jbl gto937 speakers for my car,each speaker is 100watt rms and 300 max .Can anybody advice on what amplifier should i get for them?I know i can run them without any amp but think they...


Pyramid makes the PB series of amps. I have one that's driving a Sub.
The PB 700 puts out rms 60watts x 2 @ 2ohms, which gives you some "headroom" for your speakers. You don't want to over drive speakers with , for example, a 1000 watts for 100 watt speakers, because that's a good way to blow your speakers.
There are many brands and models of amps that will fit your speakers. Just make sure the amp will drive 2ohm speakers, since your jbl's are rated at 2ohm impedance.
You may want to consider adding a Sub woofer to your setup. A single Sub would fill in the low end very nicely. If you got a 4 channel amp, then two channels will drive your jbl's, and you can bridge the other two channels to drive the Sub. That would be a kick'n sound!
Just make sure the amp is bridgeable
For example, the Pyramid PB 1200 is a 4 channel, bridgeable amp. This particular amp will drive the 2ohm jbl's, but you would want a 4 or 8 ohm Sub connected to the bridged channels.

Jul 05, 2009 | JBL GTO937 Car Speaker

1 Answer

Logic alx1280 2 ch amp


Amps can be rated based on their RMS power or their peak power. In this case, the amp's rated RMS power is 300x2 at 2 ohms (total 600W RMS) with a peak power rating of 600x2 (1200W peak). For the most part, peak power means almost nothing.

If your head unit didn't have RCA preamp outputs, you would used the standard speaker outputs from the head unit and connect them to the hi input plug of the amp.

Mar 17, 2008 | Logic Soundlab ALX1280 Car Audio Amplifier

1 Answer

Speaker wiring


No degradation. The smaller the ohm, the better the signal ( least resistance ). You and your system should be fine.

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