Question about Car Audio & Video

1 Answer

Apline mrv-1000 2 infinity sub

I have an alpine mrv 1000 and 2 10 inch infintity subs. when running them two channels it all works great. but doesn't hit like it should. then i switch into mono on the amp and bridge them, sounds really good but when i give it volume the amp shuts off. what is the way to wire it to get the most power? and what is the phase switch for that says 0 or 180.

thanks.

Posted by on

Ad

1 Answer

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points

    Superstar:

    An expert that got 20 achievements.

    All-Star:

    An expert that got 10 achievements.

    MVP:

    An expert that got 5 achievements.

  • Master
  • 15,935 Answers

RMS power at 12V 20Hz-20kHz
2 x 100W @ 4 ohms (0.08% THD)
2 x 200W @ 2 ohms (0.3% THD)
1 x 400W @ 4 ohms bridge (0.3% THD)

That amplifier is not 2 ohm mono stable in bridged mode (assuming subs are SVC 4ohm).
It is seeing too much resistance and overheating. Thermal overload protection kicking in.

The phase switch allows you to switch from in phase to 180* out of phase. This feature is not to taken as written in stone. In some rooms, or locations of a room, the output will sound louder/better either in phase or out of phase. So there is no correct setting. It all depends where the sub is located and the acoustics or shape of the room.

Phase is term that describes multiple characteriscs and behavior of a speaker system.

Phase alignment: The vertical alignment of the voice coils of all the speakers in a speaker cabinet, so that all signals reach the sweet spot at the same time.

Crossover phasing: If one or more crossover slopes are of a different slope, then the speakers would not fire at the same time, causing delays in response.

Reverse polarity: You may reverse the polarity of a speaker to make the speaker fire inwards instead of outwards to improve alignment with the other speakers in the system. This is very common in tweeters circuitry. As for woofers, if the polarity is reversed, there is usually a cancellation of bass, to a degree.

Posted on Dec 22, 2008

Ad

1 Suggested Answer

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Ad

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

I have an alpine mrv-f307 4/3/2 channel. I have it hooked up to 2 12in Kenwood subs. Right now standard 2 channel each sub having their own. I heard doing a series hook up and bridging the subs to the amp ...


Bridging an amplifier refers to combining the power of two channels to run one speaker at higher power. If it is wired correctly, your amplifier is running with 4 channels bridged into 2 speakers now.

Mar 11, 2015 | Kenwood Car Audio & Video

1 Answer

How do I bridge this amp to run a single sub?


  • To bridge 1 sub with a Alpine MRV-100M amp you run the negative and positive wires coming from the speaker to the outside terminals on the AMP respectively.

Regards, Tony

May 22, 2011 | Alpine MRV-100M Car Audio Amplifier

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

Red protection light on when power,d up from battrie is this normal


check the connector at the amp and make sure the wires aint touching also check ur speaker wire are rigged up right... do not run 2 subs off 1 channel as it will pop fuses and the procet light will come on

Oct 21, 2009 | Alpine MRV-T757 Car Audio Amplifier

1 Answer

How do i run it 2 ohm stable


This is how 2 type r's are wired to one amp at 2ohms hope this helps dont forget to rate me thanks

Upfront Audio :)

1a81949.jpg

Apr 06, 2009 | Alpine MRV-1507 Car Audio Amplifier

1 Answer

Alpine mrv-f545 powers up but no power going to the channels


I suppose you checked all the usual suspects? Fuse, Ground, and Remote turn on?
Now if memory serves me isn't that an amp that has a digital display on the top? If so you have to scroll thru the menu items and see if it is on low pass or even off? The gains are tricky because they get louder with less dbs. but check the outputs.
if all else fails it's probalby bad.

Mar 16, 2009 | Alpine MRV-F545 Car Audio Amplifier

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

1 Answer

Blinking protection light on mrv-t757 amp


Could be the power supply or output stage electrolytic capacitors.
Possibly breaking down/drying out inside.

Mar 17, 2008 | Alpine MRV-T757 Car Audio Amplifier

1 Answer

Alpine mrv-t757


Hi Big Nick,

 

Sounds like you have got almost all the good out of those Subs. You can find the screws you need at almost any hardware store or Auto parts store. The light is becase you are dloading the amp with low OHMS.  You may need use one channel and Run the wiring like written blow to get the power problem to disappear.

 

S1+ = Kicker comp cvr sub coil 1 positive

A+ = Amplifier Positive output.

 

 

A+ to S1+

S1- to S2+

S2- to A- 

Oct 18, 2007 | Alpine MRV-T757 Car Audio Amplifier

Not finding what you are looking for?
Car Audio & Video Logo

Related Topics:

412 people viewed this question

Ask a Question

Usually answered in minutes!

Top Car Audio & Video Experts

xxxxxx xxx

Level 3 Expert

4991 Answers

Donald DCruz
Donald DCruz

Level 3 Expert

17130 Answers

Marvin
Marvin

Level 3 Expert

82322 Answers

Are you a Car Audio and Video Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...