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Silver Member Username: Bump0518Sx, UsA USA Post Number: 324 Registered: Aug-06 | Alright how do i set the gain on my amp correctly? does it really matter will u notice in your bass if it hits less? i got a rockford 800aII, oh and on my hu it has front and back rca's and one cord thats blue that says subwoofer which one do i connect to for my sub, i would thikn the sub but it only has one outlet not two and its blue lol |
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Silver Member Username: Livin_loud8======D , 18 of love Fi Audio Post Number: 604 Registered: Jan-06 | you need a Y adapter for your sub output |
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Silver Member Username: Bump0518Sx, UsA USA Post Number: 325 Registered: Aug-06 | will that throw more voltage the the rear and front rcs outputs? |
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Silver Member Username: Livin_loud8======D , 18 of love Fi Audio Post Number: 607 Registered: Jan-06 | why would it matter? lol, you use the subwoofer output for the subwoofer. using the other ones would give your sub amp a mid/high signal |
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Gold Member Username: FrkkevinResonant Engineering..., Fort Worth... Email Post Number: 1829 Registered: Nov-05 | use the subwoofer out RCA .. turn your h/u to 3/4 volume.. select a note 8-10hz higher than your boxes tuning frequency and get your DMM ready. now take the RMS power you are running and multiply it by the OHM load it is at. now once you get that answer take the square root of your answer.. that is the voltage you are looking for. put the DMM on the output for your subs and turn it to 200AC or similar .. play the tone and turn the gain higher or lower until you match the voltage you caculated.. assuming you do not know box rise i'd set the gain a tad higher in voltage due to the imp rise |
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Silver Member Username: SkiesCourtenay, British Colu... Canada Post Number: 350 Registered: Aug-05 | from that calculation i get 34.6V.... doesnt seem right ? |
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Gold Member Username: RedlinerWilmington, Ma Post Number: 3247 Registered: Jun-05 | or u could just go online lol find out the output voltage ur hu does, then just match the gain on ur amp and where u think it will match turn it down a bit lol the normal way to do it |
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Gold Member Username: BestmankindFi AudioBTL Post Number: 7462 Registered: Oct-05 | good point charlie and kevin has. set the gain correctly you must. |
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Gold Member Username: FrkkevinResonant Engineering..., Fort Worth... Email Post Number: 1833 Registered: Nov-05 | that seems fine.. mine is set at 50v |
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Silver Member Username: SkiesCourtenay, British Colu... Canada Post Number: 351 Registered: Aug-05 | "good point charlie and kevin has. set the gain correctly you must." the force is definitely strong with this one.. |
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Gold Member Username: BestmankindFi AudioBTL Post Number: 7464 Registered: Oct-05 | http://www.subwoofertools.com/forum/setgain.asp |
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Silver Member Username: RvlacosDD 3512 United States Post Number: 987 Registered: Sep-06 | more proof we need stickys |