Gain too high?


Silver Member
Username: Rswan

Post Number: 113
Registered: Apr-04
i had my system hooked up previously to my aftermarket hu and it sounded fine. now i have it hooked up to my stock hu on my new car and i have to have my gain almost 3/4 up in order to get my sub to move. is this gonna damaged my sub since it was used to a lower set gain? any help would be appreciated

Bronze Member
Username: Godemiche

Post Number: 43
Registered: Jun-04
cuz the signal coming from the head-unit is not as good or as much as the aftermarket one...

Most good HU's can put out a 4V signal, the cheap one's are more in the 2.5 range which makes you have to turn the gain up higher on an amp...

Silver Member
Username: Rswan

Post Number: 115
Registered: Apr-04
is this going to be bad for my speaker

Gold Member
Username: Glasswolf

NorthWest, Michigan USA

Post Number: 3407
Registered: Dec-03
no harm, no.
all this means is your source line voltage is much weaker, so you need to turn up the gains on the amp to balance that lower voltage to the input stage on teh amplifier.

Silver Member
Username: Rswan

Post Number: 116
Registered: Apr-04
thanks glass

Unregistered guest
how do u charge a cap. i mean after i disconnect the mainfuse and hook up the cap do i put one end of the test light to the fuse holder then the other end to the other end of the fuse holder running to my trunk? i mean i dont want to electrocute myself.
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