RobertK Posted January 18, 2020 Report Share Posted January 18, 2020 2 - 6.5" massive "sumo" svc 4 ohm subs rated at 150 watts rms, 300 watts peak. JL Audio 300/2 amp. regulated power... 150 watts x 2 at 1.5 ohms to 4 ohms, no matter. OR 300 x 1 at 3ohms to 8 ohms no matter. Amp warns DO NOT go under 3 ohms bridged, or lower power circuit will kick in, so 2 subs parallel won't work. Currently, I have the subs series to 8 ohms, amp running at 300 x 1 at 8 ohms. Sounds fine. My question is... will I get louder OR stronger bass running 2@8ohms and 300 watts (each sub getting 150 watts) OR will i get louder OR stronger bass running 2 at 4 ohms separate to each amp channel (150 watts each sub). Subs are mounted in same air space box, to one side, rectangle port on opposite side supposedly tuned to 33 Htz. Link to comment Share on other sites More sharing options...
AaronT Posted January 18, 2020 Report Share Posted January 18, 2020 2 hours ago, RobertK said: 2 - 6.5" massive "sumo" svc 4 ohm subs rated at 150 watts rms, 300 watts peak. JL Audio 300/2 amp. regulated power... 150 watts x 2 at 1.5 ohms to 4 ohms, no matter. OR 300 x 1 at 3ohms to 8 ohms no matter. Amp warns DO NOT go under 3 ohms bridged, or lower power circuit will kick in, so 2 subs parallel won't work. Currently, I have the subs series to 8 ohms, amp running at 300 x 1 at 8 ohms. Sounds fine. My question is... will I get louder OR stronger bass running 2@8ohms and 300 watts (each sub getting 150 watts) OR will i get louder OR stronger bass running 2 at 4 ohms separate to each amp channel (150 watts each sub). Subs are mounted in same air space box, to one side, rectangle port on opposite side supposedly tuned to 33 Htz. I think you'd do better at the two subs on each channel but first I would definitely try to parallel them breached because 2 ohms isn't that far off from one of them and I'm willing to bet your coils might read a little higher than exactly for homes so you might be at like 2.5 ohms final at the amp why are the subs are parallel and then actually test their resistance with a meter and see what they are in the real world Link to comment Share on other sites More sharing options...
MrSkippyJ Posted January 18, 2020 Report Share Posted January 18, 2020 I doubt you notice a difference either way. It’s regulated output so no matter what you do you will be getting similar amounts of power. F150: Stock 2019 Harley Road Glide: Amp: TM400Xad - 4 channel 400 watt Processor: DSR1 Fairing (Front) 6.5s -MMats PA601cx Lid (Rear) 6x9s - TMS69 Link to comment Share on other sites More sharing options...
AaronT Posted January 19, 2020 Report Share Posted January 19, 2020 Jls regulated power is like rockfords cp kinda. It will do rated across all impedance up to 6 ohms But it will definitely exceed rated at lower impedance. Link to comment Share on other sites More sharing options...
MrSkippyJ Posted January 19, 2020 Report Share Posted January 19, 2020 Up to 8 right? I didn’t see your response about going lower though. F150: Stock 2019 Harley Road Glide: Amp: TM400Xad - 4 channel 400 watt Processor: DSR1 Fairing (Front) 6.5s -MMats PA601cx Lid (Rear) 6x9s - TMS69 Link to comment Share on other sites More sharing options...
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