I can’t get my setup to Thump

Hey guys, just installed an Alpine MRD-M500 amp and SWR-1241D sub.

Problem is setting up the amp, instructions first rule is to turn up the headunit volume so the OVER indicator light goes off on the amp, but i turned up the max vol on the HU and it indicator light does not even come on. What is wrong?

Also, how to i setup the amp properly? =) thanks

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Michael Chan
04' Subaru Forester 2.5XS
Compustar 2W8000FMR
Alpine SWR-1241D
Alpine MRD-M500

Sounds to me like you HU does not have enough output to drive the amp all the way to "over"... This means you either need a HU that will be more compatible with your amp, or a line driver or some other type of in-line signal processing device with enough output to drive the amp all the way.

The HU is the PREFERRED method, as ANY signal increasing device in the line will automatically add its own noise and distortion, IN ADDITION TO amplifying the noise and distoetion already there from the devices before it...

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It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

is this really whats happening?

my deck is an alpine 9833 i think it should be sufficient

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Michael Chan
04' Subaru Forester 2.5XS
Compustar 2W8000FMR
Alpine SWR-1241D
Alpine MRD-M500

I can't tell you. Every install will be a little bit different. As a suggestion, forget the "over" light, and set your gains properly. Do a search on this forum for "Setting Gains", and you will find HUNDREDS of posts regarding the subject...

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It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

Hi,

Once again, it is me asking for me.
Here is my system.

Alpine CDA9833
Alpine MRDM500
Alpine SWR1241D

The sub is wired @ 2ohm

Preciously, and in detail, what does each function on the AMP do and what should the settings be? =) Also any adjustments to the HU?

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Michael Chan
04' Subaru Forester 2.5XS
Compustar 2W8000FMR
Alpine SWR-1241D
Alpine MRD-M500

Try this, I have the 9835 and the 301 ALpine amp. First set you input switch to 4v, set your input to -6 or 0, set gain to 0, crossover 80/24, sub sonic filter 25, bass boost off, eq off, and be sure to save your settings on the last menu item. Also, I had the same problems setting up my alpine amp. The sub preout on the Alpine only puts out 4v when it is maxed out at 15 on the hu sub volume level. Try the settings above and see how it does. You may have to leave input at 0. At -6 on mine I had to leave the hu sub volume at 13-15, but still did not produce the bass I wanted. At 0 on the input I leave hu sub bass at 7-9 depending how much I want.

Bill3508

Don't just leave the gain at 0 or - 6... you need to set it right. Check page 10 in the manual, "Adjusting the Input Level."

Press the mode button until "input" is displayed, then press the enter button. Press the < or > buttons until "level" is displayed, then press the enter button. Then use the < or > button to adjust the gain.

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thanks guys, got it working...

i downloaded a PDF of instructions on setting up the MRD-M500 for demo boards on the alpine site. Works great now.

What happened was i forgot to save my settings =)

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Michael Chan
04' Subaru Forester 2.5XS
Compustar 2W8000FMR
Alpine SWR-1241D
Alpine MRD-M500

hoking wrote:

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...Preciously, ...

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We wants it, my precious! rofl I just had to point this one out when I saw it.

I think what you meant to say was "precisely"...yes?

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VEHICLE: 2002 GMC Sonoma ZR2
Alpine CDA-7940
AudioControl EQT x2
JL Audio 1000/1
JL Audio 10W6 (originals) x3
Kicker ZR120
Kicker ZR460
Polk GXR-6 x4
Polk GXR-4 x2