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How many amps per channel in Alpine 3543 - Car Amplifiers

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100x2 at 4ohm stereo
300x1 at 4 ohm mono RMS

Posted on Dec 21, 2008

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Can a alpine mrh-f 254 4 channel amp be bridged to one channel


You can combine two channels into one, but you can't combine four channels into one. The best you can do is bridge it down to two channels.

Aug 02, 2015 | Alpine Car Amplifiers

1 Answer

What amp would be better to use with what speakers/sub? I have a KAC-7202 kenwood 920W maximum power (150wX2 RMS, 4ohms) (230wX2 RMS 2ohms) and then the other amp I have is a Alpine MRP-M500 mono power...


I'm using that Alpine right now for 2-12" subs and I have compared it to 6 or 7 other amps this month and most were 4 channel 150Watt/Channel Bridged to 300Watts x 2 and found the Alpine to be superior in both sound quality and loudness. The Alpine has also not turned off even with full volume for hours at a time, Very solid amp I was very surprised due to it's size!

Apr 04, 2013 | Kenwood Car Amplifiers

1 Answer

I need to know what the wattage the alpine mrv-f407 puts out when its bridged or only running 2 channels?


RMS Continuous Power (at 12.0V)
Per channel into 4 ohms...............40W, 0.08% THD
Per channel into 2 ohms ..............50W, 0.3% THD
Bridged into 4 ohms.....................100W, 0.3% THD

RMS Continuous Power (at 14.4V)
Per channel into 4 ohms...............60W, 0.08% THD
Per channel into 2 ohms...............80W, 0.3% THD
Bridged into 4 ohms.....................160W, 0.3% THD
Max. Power (at 14.4V)
Per channel into 4 Ohms..............120W
Bridged into 4 Ohms....................320W
This should help.

Apr 30, 2010 | Alpine MRV-F407 Car Audio Amplifier

1 Answer

I am wondering about car amplifiers, I don't know what kind to get, I have Alpine 6.5" 2-Way Car Speakers (SPS-600), 80 watt as my front speakers, and Alpine 6 1/2" 2-Way Car Speakers (SPR-17C), 100 watt...


I would strongly recommend that you get a 5 channel amp that puts out 75watts rms per channel that will deliver between 200-300 watts to the sub channel. I use planet audio amps myself and they run strong all day every day-maybe you could look at a planet audio vrx 600.5(5-channel) it throws 100w x4 and 200 or 300 to the subs depending on the resistance of the sub. Good luck

Jan 27, 2010 | Car Amplifiers

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

Amplifier displays "CUR"


Hello anwbrown,

The "CUR" display means that the amp is drawing excessive current and the protection circuit is activating. Too low impedance or shorted speakers will cause the amp to draw excessive current.

The Alpine V12 is a Class D mono amp with only one set of speaker outputs. All versions, M301, M501, and M1001 are only stable to 2ohms. Assuming that all 6 of your connected subwoofers and speakers are 4ohm and they're all connected in parallel, the amp sees a .67 ohm load, far below it's rated impedance.

When brand new, the amp could probably operate at low to moderate volume levels without drawing excessive current. But as electronic components age, their tolerances change and they become less able to withstand excessive current or mismatched impedances.

I'd get a 4-channel amp and drive the 4" speakers off the front channels and the 6X9's off the rear channels. And just power the subs off the V12 making sure that they are connected to show a minimum load of 2ohms.

Hope this helps.

Jul 27, 2009 | Alpine MRV-F345 Car Audio Amplifier

1 Answer

Installing two amps


No, thats what you don't what to do. Even if you have 2 matching amps you don't do that. Every amp puts out different, and for 2 subs, you want to play at the the same time. If your only running 2 10's, I personal would just run the alpine (it's a mono amp made especially for subs) thats plenty for what you have. make sure you bridge them to get the full response. And your other amp i would use for your highs or mids, but run it @ stereo , which is 300 w @ 4 ohms. (Note: 600w @ 2ohms would be bridged and would play in Mono)

Building Competition stereo's is a big hobby of mine.

May 04, 2009 | Alpine MRD-M605 - V12 MONO AMP 600WX1 RMS...

2 Answers

Setting for...


HI DUDE .. U CAN ONLY SINGLE PC OF JL SUB BY BRIDGE MODE ... COZ UR MTX AMP HAVE 300WATTS RMS ....

Apr 05, 2009 | Alpine MRD-M301 Car Audio Amplifier

1 Answer

Want to bridge my alpine 3555 amp to run my sub.


I'm assuming this atleast a 2 channel amplifier all you need to do is hook the negative side of the speaker wire coming from the sub to the negative channel one. and the positive to another positive on channel 2. Should indicate on your amplifier channel one and two. most amps provide a diagram right on the amplifier over top of the speaker inputs. let me know if this helps.

Mar 07, 2009 | Alpine Car Amplifiers

1 Answer

MRV - 1507 Question ...


The MRV-1507 is a two channel amplifier, below I've pasted important info from the manual:

Battery Lead (Sold Separately)
Be sure to add a 80 amp fuse as close as possible
to the battery’s positive (+) terminal. This fuse will
protect your vehicle’s electrical system in case of a
short circuit. If you need to extend this lead, the wire
gauge should be AWG8 or larger.
MRV-1507 ... 80A amp fuse

Power Output: RMS Continuous Power (at 12.0V, 20 Hz to 20
kHz)
MRV-1507
Per channel into 4 ohms ......................... 150W, 0.08% THD
Per channel into 2 ohms .......................... 300W, 0.3% THD
Bridged into 4 ohms ................................ 600W, 0.3% THD

You can find a manual for this amp here:
http://www.alpine-usa.com/US-en/support/support_search.php?modelname=mrv-1507

Jul 07, 2008 | Alpine MRV-1507 Car Audio Amplifier

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