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Alpine MRD501 Setup


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Trey99ek 
Copper - Posts: 93
Copper spacespace
Joined: February 13, 2005
Location: United States
Posted: February 13, 2005 at 5:39 PM / IP Logged  

I just bought an alpine mrd501 amp since my last one died after 5 years and I can't seem to get it to sound good.  I have messed with the controls and it by far isn't like my old amp where I just turn the knob.  Does anybody have any good hints on how to get this to sound good since it doesn't really tell you much in the manual.  And I have this powering 2 infinity 1220 reference subs each sealed in 1 cu ft box.

tcss 
Silver - Posts: 1,623
Silver spacespace
Joined: June 07, 2004
Location: United States
Posted: February 13, 2005 at 5:49 PM / IP Logged  
Go look at the thread called "Alpine break in"
Trey99ek 
Copper - Posts: 93
Copper spacespace
Joined: February 13, 2005
Location: United States
Posted: February 13, 2005 at 6:27 PM / IP Logged  

This is how the manual says to set the gain I think.

(it says to do these three steps before anything else)

1) Gradually increase the volume until the display starts flashing.

2) Decrease the volume until it stops flashing.

3) Gradually increase the volume control again until the "over" indicator starts flashing.

Adjusting the Input Level

1) Press the input mode button left or right or up and down until input is displayed.

2) Press the ENT button

3) Press the < or > mode button until Level is displayed

4) Press the ENT button

5) use the < or > buttons to adjust the input level (it can either go from .1 to 2 volts or .5 to 8 volts).

Those directions were on pages 9 and 10 of the manual...

I'm pretty sure you were looking at the "gain factor" instead (I have no idea what that is). I'd set it at 0. Turn the parametric EQ and Bass compensation off also.

 

I tried this when I bought the amp.  I have an alpine cda 7894 and I turned it up to 22, which is really loud to me, and mine never blinked once.  Any ideas.

Trey99ek 
Copper - Posts: 93
Copper spacespace
Joined: February 13, 2005
Location: United States
Posted: February 13, 2005 at 7:19 PM / IP Logged  

The switch on it for the imput select 0.5V-8.0V and 1.0V-2.0V.  Since my deck has 4V preouts shouldn't it be on the first.  I went and switched it to the 1.0-2.0 and that solved my crappy bass problem.  I just want to check if that is ok, I don't wanna kill a new amp.

Drewt 
Copper - Posts: 183
Copper spacespace
Joined: January 04, 2005
Location: United States
Posted: February 13, 2005 at 7:42 PM / IP Logged  

yeah, it's ok.  That's what I run my amp at all the time.

I doubt the outputs from the HU are really 4 volts, but I would expect alpines to be rated well....

-Drew

Trey99ek 
Copper - Posts: 93
Copper spacespace
Joined: February 13, 2005
Location: United States
Posted: February 13, 2005 at 8:06 PM / IP Logged  

Thanks alot.  I just know it made a big difference flipping that switch.

Drewt 
Copper - Posts: 183
Copper spacespace
Joined: January 04, 2005
Location: United States
Posted: February 13, 2005 at 8:24 PM / IP Logged  

Mine too......I had it at the 4-8 volt setting, and had to crank the gain up the +9 to give it decent volume.....switched it down to 1-2v, and it just rocks now!

-Drew


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