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advice on head unit


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supradude 
Silver - Posts: 915
Silver spacespace
Joined: September 21, 2004
Location: South Carolina, United States
Posted: February 04, 2007 at 9:09 PM / IP Logged  
I need some help choosing a HU. Pioneer is offlimits as is Eclipse(I'm not switching to Sirius). I've looked at Alpine, but the preout voltage is low unless you spend more than I want to. I'd like to stay around $400 and it doesn't have to be fancy. I'd like around 4 volts for the preouts with at least 2 preouts. It has to work with XM also.
'85 Toy
kicker guy 
Copper - Posts: 86
Copper spacespace
Joined: August 25, 2006
Location: United States
Posted: February 05, 2007 at 8:14 AM / IP Logged  

Just a question... but why does it matter if the alpine has 2v preouts?

supradude 
Silver - Posts: 915
Silver spacespace
Joined: September 21, 2004
Location: South Carolina, United States
Posted: February 05, 2007 at 8:24 AM / IP Logged  
Doesn't a higher preout voltage give a cleaner signal to the amp? Or am I wrong about this?
'85 Toy
kicker guy 
Copper - Posts: 86
Copper spacespace
Joined: August 25, 2006
Location: United States
Posted: February 05, 2007 at 12:07 PM / IP Logged  

You could have a preout voltage of .2v and your amp will still get the signal and still be able to reach full power. What I was always told was to make sure the ohm rating is low because thats what matters for a cleaner sound... higher the ohms the more likely it can pick up interferance. Thats how I understand it anyway advice on head unit -- posted image.

supradude 
Silver - Posts: 915
Silver spacespace
Joined: September 21, 2004
Location: South Carolina, United States
Posted: February 05, 2007 at 12:23 PM / IP Logged  
thanks for the help.
'85 Toy

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