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<blockquote data-quote="wolfey" data-source="post: 229963" data-attributes="member: 544404">ok maybe thats just too long for everybody to read..Forget about all that unless you think there definitely is a problem with the ground.To all those people who have 9815&#039;s, how high do you have to set your sub out to mix with your system? Also, do you have to lower the active crossover to your fronts and mids to get it to mix (i lowered mine to -6 on the fronts and -7 on the rear) set the gain on my revo to about 1/2, and the sub out to at least 10 of 15, and now it seems to mix pretty well.&nbsp; Like i said i have a b12 in a 1.9cf box and the revo running at 4 ohms (it says ~3.2 ohms with the DMM, its in series. This is in a corolla (small car).. It seems to get pretty loud now, i was expecting a bit better though.&nbsp; btw the deck is powering the stock speakers.. and seems to do quite well.with my JVC i had before (kdsh-99) i used to have the gain at about 1/4 and sub out at about 5 out of 12 and it was pretty loud by then already.&nbsp; But my&nbsp; setup in that car was quite different though cus i had another woofer also (infinity perfect) and they both were in a sealed box, the brahma was at 4 ohms and the perfect at 4 in parallel together..ALso, should the gain setting be changed depending on the impedance of the driver??if anyone could give me some info on setting the gains, possible problems, or especially tips on the 9815 and how you have the crossover set,&nbsp; i would greatly appreciate it..&nbsp;&nbsp; Sorry for the long posts</blockquote>

[QUOTE="wolfey, post: 229963, member: 544404"] ok maybe thats just too long for everybody to read.. Forget about all that unless you think there definitely is a problem with the ground. To all those people who have 9815's, how high do you have to set your sub out to mix with your system? Also, do you have to lower the active crossover to your fronts and mids to get it to mix (i lowered mine to -6 on the fronts and -7 on the rear) set the gain on my revo to about 1/2, and the sub out to at least 10 of 15, and now it seems to mix pretty well. Like i said i have a b12 in a 1.9cf box and the revo running at 4 ohms (it says ~3.2 ohms with the DMM, its in series. This is in a corolla (small car).. It seems to get pretty loud now, i was expecting a bit better though. btw the deck is powering the stock speakers.. and seems to do quite well. with my JVC i had before (kdsh-99) i used to have the gain at about 1/4 and sub out at about 5 out of 12 and it was pretty loud by then already. But my setup in that car was quite different though cus i had another woofer also (infinity perfect) and they both were in a sealed box, the brahma was at 4 ohms and the perfect at 4 in parallel together.. ALso, should the gain setting be changed depending on the impedance of the driver?? if anyone could give me some info on setting the gains, possible problems, or especially tips on the 9815 and how you have the crossover set, i would greatly appreciate it.. Sorry for the long posts [/QUOTE]

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