Krakin Posted March 26, 2014 Report Share Posted March 26, 2014 If he isn't getting full voltage from the HU then getting a DD1 isn't going to fix that. You need to see if you have any settings messed with on the EQ or something else. Krakin's Home Dipole Project http://www.stevemeadedesigns.com/board/topic/186153-krakins-dipole-project-new-reciever-in-rockford-science/#entry2772370 Krakin, are you some sort of mad scientist? I would have replied earlier, but I was measuring the output of my amp with a yardstick . . . What you hear is not the air pressure variation in itself but what has drawn your attention in the two streams of superimposed air pressure variations at your eardrums An acoustic event has dimensions of Time, Tone, Loudness and Space Everyone learns to render the 3-dimensional localization of sound based on the individual shape of their ears, thus no formula can achieve a definite effect for every listener. Link to comment Share on other sites More sharing options...
ChevyBoy95 Posted March 26, 2014 Report Share Posted March 26, 2014 That or it might be a head unit where he needs say a "sub level" or something at +5 or +15 or whatever they go to in order to reach 2v output unclipped, or something relatively close. It might not seem like it, but 1v vs. 2v in preout voltage is a lot. I would get the DD-1, plug the left RCA into it, run the test. Simultaneously, Hook a DMM to the other in ACV. Start messing with settings on the HU and see if you can achieve 2v out and keep the DD-1 distortion light from lighting up. Best Score to Date : 160.5 dB Outlaw (47Hz)[4 XM 15's & 2 Taramps Bass 12k's] BL : http://www.stevemeadedesigns.com/board/topic/147800-chevyboy95s-4-15s-7krms-wall-1533-db-on-half-power/YouTube: http://www.youtube.com/hitemwiththeflex/ Link to comment Share on other sites More sharing options...
dangaranga Posted March 26, 2014 Report Share Posted March 26, 2014 If its anything like my kenwood, my sub level has to be at 15/15 for full voltage. I have an older pioneer HU that also has sub controls similar to my kenwood, so that could be the case here. Brandon 2000 Furd Ranger supercab 4x4 System: welding wire throughout the truck USalts 390amp Hairpin Juicebox in stock location 8 Banks of maxwell supercaps 2 American Bass Vfl 1100.1 wired to .35 each 2 Fi Audio Sp4 18's ( the DD sc 9918's smoked) Pioneer radio with Soundstream PA mids Powered by a nice sized soundstream 2 channel It's pronounced (dain-ja rain-ja) 2001 2 door focus 1 DD9918 SC Link to comment Share on other sites More sharing options...
gr8handogoatness Posted March 26, 2014 Report Share Posted March 26, 2014 I didn't read through so sorry if I'm just saying it again but you might be OK. I set my stuff with an oscope and my gain is all the way up with no clipping. I turned the sub level up and everything when setting. My amp even detects clipping and goes into protect and that never happens. Gain is all the way up. Stupid 2V preout. Link to comment Share on other sites More sharing options...
ChevyBoy95 Posted March 26, 2014 Report Share Posted March 26, 2014 If its anything like my kenwood, my sub level has to be at 15/15 for full voltage. I have an older pioneer HU that also has sub controls similar to my kenwood, so that could be the case here. yea some are like this. My kenwood requires +0 sub level for full 4v out. Ive had alpines go both ways as well. Wouldnt be surprised if the pioneer needs little too. Best Score to Date : 160.5 dB Outlaw (47Hz)[4 XM 15's & 2 Taramps Bass 12k's] BL : http://www.stevemeadedesigns.com/board/topic/147800-chevyboy95s-4-15s-7krms-wall-1533-db-on-half-power/YouTube: http://www.youtube.com/hitemwiththeflex/ Link to comment Share on other sites More sharing options...
pioneerforlife Posted March 26, 2014 Author Report Share Posted March 26, 2014 My HU does not have a sub level. just settings like bass boost and stuff i am not goanna use. But i was looking through the manual and noticed it lists the preouts as 2V MAX. so maybe it just has weak preouts. its the DEH-150MP which is the bottom line pioneer so it isn't the best. idk i will mess with it this weekend and if i cant get it any better i do have a new HU which is nicer on the way. 2007 Ford Focus SES Hatchback Pioneer HU 4 Digital Designs 9515i's in a B pillar. 2 Soundstream XXX 15K's (running at 16 volts) Soundstream Mids/Highs in custom door panels (getting rebuilt soon) Soundstream TA2.160 and TA2.400 Sky High and KNU wiring 3 Banks of Maxwell caps Winston Lithium (not a fan) Bump4Life 250 Amp Alt. aka USAlternators Soundstream Focus and Avenger Build Log Instagram @p4linnovation YouTube: Team Blowin Loud Link to comment Share on other sites More sharing options...
n8ball2013 Posted March 26, 2014 Report Share Posted March 26, 2014 Get A New Head unit. For the record. I have splitters in my truck. I mean how else are you going to run 4 sub amps without a drop in voltage out through the passthroughs. I also have a 4 volt out head unit and each rca still receives almost a full signal at each amp. They are like 3.98 or something like that THERE IS NO BUILD LOG! 1998 Chevy Silverado ext cab Alpine CDA-9887 4 Team Fi 15s 2 Ampere Audio TFE 8.0 2 Ampere Audio 150.4 3 Digital Designs CS6.5 component sets Dual Mechman 370XP Elite alternators inbound! 8 XS Power d3400 6 XS power d680 Second Skin Stinger Tsunami Wiring Sky High A Real Voltmeter not a piece of shit stinger. Link to comment Share on other sites More sharing options...
dangaranga Posted March 30, 2014 Report Share Posted March 30, 2014 Did you end up with a new headunit? I will be heading back into town this thursday. Brandon 2000 Furd Ranger supercab 4x4 System: welding wire throughout the truck USalts 390amp Hairpin Juicebox in stock location 8 Banks of maxwell supercaps 2 American Bass Vfl 1100.1 wired to .35 each 2 Fi Audio Sp4 18's ( the DD sc 9918's smoked) Pioneer radio with Soundstream PA mids Powered by a nice sized soundstream 2 channel It's pronounced (dain-ja rain-ja) 2001 2 door focus 1 DD9918 SC Link to comment Share on other sites More sharing options...
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