ModernDayHero07 Posted October 24, 2013 Report Share Posted October 24, 2013 I have 2 SA 8 v.2's in a sealed box with about 2.4 ft^3 of net volume. Just to clarify, they are sharing the same chamber; they do NOT have separate chambers. They are also being powered off the same amp, Pioneer GM-D86 (but I just put in a new amp yesterday: Hifonics BRX1600.1D).During some songs and some frequencies and tones, they seem to look like they may be out of phase with each other. My friend noticed it and said he thinks my subs are out of phase with each other, but I can barely see what he was pointing out. Is it even possible for 2 subs to be out of phase with each other when they are in the same sealed box and are being powered by the same amp? Link to comment Share on other sites More sharing options...
jk13 Posted October 24, 2013 Report Share Posted October 24, 2013 If you have one wired (amp +) to (woofer +) and the other wired (amp +) to (woofer -) then yes it's possible. Static drops are my bag. Link to comment Share on other sites More sharing options...
SnowDrifter Posted October 24, 2013 Report Share Posted October 24, 2013 Pop test them. Unhook the speaker wires from your amp and strike them against a 9v battery. They should both move in the same direction On a separate note, IMO that box is too big for a pair of 8s ~~~~~~~~SAY NO TO PHOTOBUCKET~~~~~~~~ Snow's DD-1 tracks here: https://www.stevemeadedesigns.com/board/topic/167433-snows-dd-1-tracks/ My take on OFC vs CCA: https://www.stevemeadedesigns.com/board/topic/110381-things-that-piss-you-off-in-the-car-audio-world/?do=findComment&comment=2461444 Link to comment Share on other sites More sharing options...
HHR Ed Posted October 24, 2013 Report Share Posted October 24, 2013 Yes they certainly can be wired out of phase. Check each woofer to make sure the pos+ and Neg- wires are on the correct terminals. Also, if they are truly out of phase, you would notice that output is very low. And you may not hear any bass at all. Also, that box does not seem right for 2) 8s. Maybe if it was ported it would be a good size. Ed Lester ShowtimeSPL Host Showtime Electronics Video MarketingMy old Build Loghttp://www.stevemead...08/#entry511451http://www.youtube.com/showtimespl 5 time dB Drag Finalist Last ride 2007 HHR, current dB 153.5 and bass race 149.4 dB. 153.0 dB on music New Ride, 2008 HHR SS. Build under way. Loudest score ever = 171dB 2009 dB Drag Racing, North American Points Champion Link to comment Share on other sites More sharing options...
ModernDayHero07 Posted October 24, 2013 Author Report Share Posted October 24, 2013 Well I know they are wired correctly, so I guess my friend was just high or something... I had my suspicions.And I know, the box is too big the sundown subs, but I actually made the box for 2 kicker comp8's (in which that box is perfect for them, based on the kicker manual), which I will put in soon. I just have the sundown subs in there for fun and they sound pretty good anyway. Link to comment Share on other sites More sharing options...
HowLowCanYouGo Posted October 24, 2013 Report Share Posted October 24, 2013 Pop test them. Unhook the speaker wires from your amp and strike them against a 9v battery. They should both move in the same direction On a separate note, IMO that box is too big for a pair of 8s I was just about to say the same thing. Nothing for now... Did you get that scar tissue when you got your vagina installed? I'd grab Adam's ass and look him in the eyes for a demo of nates truck. Link to comment Share on other sites More sharing options...
ModernDayHero07 Posted October 24, 2013 Author Report Share Posted October 24, 2013 I knew that if they were truly out of phase, it should be fairly obvious, based on the lack of sound and opposite movement. I experienced neither. My friend thought he saw some difference in movement during certain tones and parts of songs. Thanks, for the clarification. Link to comment Share on other sites More sharing options...
poorfish88 Posted October 24, 2013 Report Share Posted October 24, 2013 It is highly possible that one sub is partly damaged to. Big box, and too much power and it don't take long before damage can be done. Link to comment Share on other sites More sharing options...
MrSkippyJ Posted October 24, 2013 Report Share Posted October 24, 2013 Build a good box for the SA 8s instead of the kickers? 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...
DylanBunch Posted October 24, 2013 Report Share Posted October 24, 2013 never heard of someone using sundown temporarily until the kickers come lol thats a first 2006 Ford Explorer 2 Team AA/Sundown 15s 6th order Ct Sounds 7k 4 PRV Mr500 8s Rockford p1000-2 Team Subsonic Lows Link to comment Share on other sites More sharing options...
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