suggestion

e90m3japan · 09-20-2009, 07:12 AM

hi, I am adding amp and subs to my premium individual audio system. I am almost finish installing it. I already even did sound tested too. It booms thanks to this forum!!! But I have last problem here, I could figure out where to put the amp! anybody have any suggestions?

system setup
amp:Alpine MRV-1005
subs: three MTX 6000 10inch
lightening audio cap 1.0 farad

btw do anybody have had this situation where when you turn up the music the lights dim in the car?(this was without the CAP when I was just testing).

e90m3japan · 09-21-2009, 04:15 PM

anyone? come on?!

Technic · 09-21-2009, 04:26 PM

Are you using at least a 30V rated LOC with this setup?

jk6672 · 09-21-2009, 04:30 PM

If you are interested in going stealth, I’ve seen the amp mounted above the stock amp in lue of CD changer. Just purchase the stock left carpet molding made for the CD changer option to complete the stealth look.

e90m3japan · 09-21-2009, 07:54 PM

Quote:

Originally Posted by Technic

Are you using at least a 30V rated LOC with this setup?

I am using MTX re-Q the spec is ythe following:

Physical data
Height: 1”
Width: 3 11/16”
Depth: 5 5/16”
Unit Weight: 7.2 Oz
Packaged Weight: 13.6 Oz.

Electrical Specifications
Operating Voltage: 8V - 16V
Operating Current Draw: 150mA
Standby Current Draw: < 4mA
Recommended Fuse Value: 1A (Fast Blow)
Recommended Fuse Type: AGC
Input Specifications
Input Channels: Left, Right, Sub
Input Type: Differential Balanced
Input Range: 250mV - 30V
Output Specifications
Output Channels: Left, Right, Sub
Output Type: Unbalanced RCA
Max Output Voltage: 2.5V RMS Full Range, 8V RMS Sub
Signal to Noise: >90dB (A-Weighted referenced to 1V out)
THD+N: <0.1% at 1V out (20Hz- 20kHz)

I played it for about an hour but hasn't had problem.
what do you think?

can you give me any ideas about where to mount the amp?

e90m3japan · 09-21-2009, 07:59 PM

Quote:

Originally Posted by jk6672

If you are interested in going stealth, I’ve seen the amp mounted above the stock amp in lue of CD changer. Just purchase the stock left carpet molding made for the CD changer option to complete the stealth look.

hey , thanks I do have the cd changer option. I pulled out the cd changer tried to put the amp but the amp is too big to fit in it...
I was thinking to try and to put the amp in a angle on top of all the hdd drive and the stock amp.

e90m3japan · 09-21-2009, 08:03 PM

I'll post some pics later. also when I tested the system I had the subs facing towards the openig of the trunk. when I have the trunk open it sounds loud but when I close it sound tends to drop, am I getting bass cancellation(phase cancellation)?

Technic · 09-22-2009, 08:18 AM

Quote:

Originally Posted by e90m3japan

I am using MTX re-Q the spec is ythe following:

Input Range: 250mV - 30V

I played it for about an hour but hasn't had problem.
what do you think?

can you give me any ideas about where to mount the amp?

That should work, just do not abuse the bass adjustment and 100Hz EQ band in the iDrive as the output of the OEM amp can peak at more than 30V in bursts.

Try installing the amp under the rear shelf... leave some space for air circulation.

09-20-2009, 07:12 AM	#1
e90m3japan Second Lieutenant 17 Rep 226 Posts Drives: e90 m3 melbourne Red Metallic Join Date: May 2009 Location: Yokohama,Japan and El Paso,Texas iTrader: (2)	suggestion hi, I am adding amp and subs to my premium individual audio system. I am almost finish installing it. I already even did sound tested too. It booms thanks to this forum!!! But I have last problem here, I could figure out where to put the amp! anybody have any suggestions? system setup amp:Alpine MRV-1005 subs: three MTX 6000 10inch lightening audio cap 1.0 farad btw do anybody have had this situation where when you turn up the music the lights dim in the car?(this was without the CAP when I was just testing). __________________ e90 m3 melbourne red metallic, "One and Only" e90 sedan Amuse Ericsson full exhaust(new model)with custom spec, Afe intake with stock box,piano black trim, blackline tail, HRE P40 9x19,10.5x19
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09-21-2009, 04:15 PM	#2
e90m3japan Second Lieutenant 17 Rep 226 Posts Drives: e90 m3 melbourne Red Metallic Join Date: May 2009 Location: Yokohama,Japan and El Paso,Texas iTrader: (2)	anyone? come on?! __________________ e90 m3 melbourne red metallic, "One and Only" e90 sedan Amuse Ericsson full exhaust(new model)with custom spec, Afe intake with stock box,piano black trim, blackline tail, HRE P40 9x19,10.5x19
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09-21-2009, 04:26 PM	#3
Technic Lieutenant General 2285 Rep 12,999 Posts Drives: 2021 i3S, 2024 i4 M50 Join Date: Apr 2005 Location: Florida iTrader: (18)	Are you using at least a 30V rated LOC with this setup?
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09-21-2009, 04:30 PM	#4
jk6672 First Lieutenant 48 Rep 332 Posts Drives: 2008 E90 m3 6MT Join Date: Mar 2009 Location: El Centro, Ca iTrader: (2)	If you are interested in going stealth, I’ve seen the amp mounted above the stock amp in lue of CD changer. Just purchase the stock left carpet molding made for the CD changer option to complete the stealth look.
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09-21-2009, 08:03 PM	#7
e90m3japan Second Lieutenant 17 Rep 226 Posts Drives: e90 m3 melbourne Red Metallic Join Date: May 2009 Location: Yokohama,Japan and El Paso,Texas iTrader: (2)	I'll post some pics later. also when I tested the system I had the subs facing towards the openig of the trunk. when I have the trunk open it sounds loud but when I close it sound tends to drop, am I getting bass cancellation(phase cancellation)? __________________ e90 m3 melbourne red metallic, "One and Only" e90 sedan Amuse Ericsson full exhaust(new model)with custom spec, Afe intake with stock box,piano black trim, blackline tail, HRE P40 9x19,10.5x19
	Appreciate 0 Quote