escottl92 Posted July 16, 2022 Report Posted July 16, 2022 Hello all, how can I get more out of my Crescendo 17k?? I have two 390ah alts just for the system, four Sundown U-15”D2 subs
killerc998 Posted July 16, 2022 Report Posted July 16, 2022 What are you wired to? What's the voltage your running, 12, 14, 16, 18, What's your battery situation, lithium, agm, acid? What's the vehicle? Need way more info, post all specs. Could be a box issue. With out any info it's a shot in the dark.
escottl92 Posted July 28, 2022 Author Report Posted July 28, 2022 On 7/16/2022 at 6:58 PM, killerc998 said: What are you wired to? What's the voltage your running, 12, 14, 16, 18, What's your battery situation, lithium, agm, acid? What's the vehicle? Need way more info, post all specs. Could be a box issue. With out any info it's a shot in the dark. Voltage 14.8 lithium xs power cells 2000 gmc jimmy no wall box amp wired to 1ohm did test burb and box rise 3.3ohm
killerc998 Posted July 28, 2022 Report Posted July 28, 2022 Could always wire down to .25 seems with impedance rise you would see closer to 1 ohm.
escottl92 Posted July 28, 2022 Author Report Posted July 28, 2022 2 hours ago, killerc998 said: Could always wire down to .25 seems with impedance rise you would see closer to 1 ohm. Ya don’t want to blow up my amp lol
killerc998 Posted July 28, 2022 Report Posted July 28, 2022 Don't blame you on that. The other thing is you can try to build a different box that has less impedance rise, so the subs see more power.
escottl92 Posted July 30, 2022 Author Report Posted July 30, 2022 On 7/28/2022 at 6:28 PM, killerc998 said: Don't blame you on that. The other thing is you can try to build a different box that has less impedance rise, so the subs see more power. Thank you
audiofanaticz Posted July 30, 2022 Report Posted July 30, 2022 Different box is much needed in my opinion probably something that will be more efficient, something different than what you currently have, but it's really hard to say since you listed no specs except for the alts/subs/amp that you have. So really everything is just a guessing game on our part since we don't know the vehicle, wiring, batteries, specs of your box in terms of the size, port, orientation, etc.
escottl92 Posted July 30, 2022 Author Report Posted July 30, 2022 9 hours ago, audiofanaticz said: Different box is much needed in my opinion probably something that will be more efficient, something different than what you currently have, but it's really hard to say since you listed no specs except for the alts/subs/amp that you have. So really everything is just a guessing game on our part since we don't know the vehicle, wiring, batteries, specs of your box in terms of the size, port, orientation, etc. 2000 gmc jimmy, amp wired to 1ohm, three banks 35ah xs power lithium cells, 3.5cuft per sub after displacement, subs up four 15”, two 10” aero ports firing toward tailgate
02Blazer Posted November 22, 2022 Report Posted November 22, 2022 On 7/28/2022 at 12:00 PM, escottl92 said: Voltage 14.8 lithium xs power cells 2000 gmc jimmy no wall box amp wired to 1ohm did test burb and box rise 3.3ohm you should be charging the bank to 15.3 - 15.8 volts ...
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