question on gains and input voltage

[cadenceman 10+ year member]

my amps input voltage goes from 150mv-8v....my hu has 4v preouts....if i wanted to keep the gain all the way down, would i set it to 150mv or 8v?

thx

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[ramos 5,000+ posts]

Originally posted by cadenceman my amps input voltage goes from 150mv-8v....my hu has 4v preouts....if i wanted to keep the gain all the way down, would i set it to 150mv or 8v?

 

thx

Why ? That's what the gain is for. To match the input voltage to the output voltage of the head unit . //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[Aurorav8 10+ year member]

If you wanted to keep it all the way down keep it at 8 volts.

 

[cadenceman 10+ year member]

Originally posted by ramos Why ? That's what the gain is for. To match the input voltage to the output voltage of the head unit . //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

yea i know...but i want to keep the gains down because my amp is a little too powerful for my sub

 

[maylar 10+ year member]

Counterclockwise is "down" on all I've ever seen.

 

[ramos 5,000+ posts]

Just remember it's not reducing the power. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[joshpoints 10+ year member]

Originally posted by ramos Just remember it's not reducing the power. //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

What is it reducing then? THe elevated voltage that card audio now has 4v - 8v outputs are designed to decrease noise that is caused from the car environment, but a downfall is it automatically increases distortion according to articles I have read. The best voltage to combat both fairly effectively is the use of 2v preamp outs.

 

[ramos 5,000+ posts]

Originally posted by joshpoints What is it reducing then? THe elevated voltage that card audio now has 4v - 8v outputs are designed to decrease noise that is caused from the car environment, but a downfall is it automatically increases distortion according to articles I have read. The best voltage to combat both fairly effectively is the use of 2v preamp outs.

It's reducing the sensitivity. Ever notice when you turn the gains down. You have to turn the volume up louder on the head unit. That's what the gains do. adjust the input sensitivity //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[joshpoints 10+ year member]

Originally posted by ramos It's reducing the sensitivity. Ever notice when you turn the gains down. You have to turn the volume up louder on the head unit. That's what the gains do. adjust the input sensitivity //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

I was asking myself the question what gains do. Then I answered with the statement of their purpose. Sorry for any confusion.

 

[ramos 5,000+ posts]

I'm old and tired man //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[VitViper 10+ year member]

I'm old and tired man //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

Then what are you doing with subs??!!??

 

[ramos 5,000+ posts]

Then what are you doing with subs??!!??

Don't fool yourself into thinking you young uns started all of this. //content.invisioncic.com/y282845/emoticons/nono.gif.eca61d170185779e0921b0faa9704973.gif//content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif

 

[VitViper 10+ year member]

LOL you got a point there old timer