sim0nkpc Posted July 16, 2014 Report Share Posted July 16, 2014 Hi all, current setup: car bmw 2003 520i : standard idrive with ppi soundprocessor, morel 4" front helix 4" rear, diamond 600.4, diamond 1000.1 / skar sk1500.1 sundown 12zv3 dual 2ohm. box as suggested by sundown. I recently purchased a Skar Sk 1500.1 as they had a (20% off weekend deal) from sonicxxx and a sundown audio zv3 12" dual 2 ohm. An upgarde from diamond audio 1000.1 and diamond 12" d6 sub. The subs arrive first so I literally just took the diamond sub out with everything untouched, sounded ok but the amp was heating up so quickly that I got scared of frying it, so I went on to and got a sk1500.1 thinking this would do the job just fine and it's less expensive than the sundown saz1500. anyhow once I got it I just switched the amps and this is what happen: Green light on, low crossover set at 85hz, 0 bass boost, phase 0, wires are 4 gauge ( my car is 2003 bmw 520i so the batteries at the back of the trunk very short distance for pos and ground), polarity is correct wired into 1ohm. all wires are fine either connect or disconnect from skar to diamond amp. so in goes the new amp: hardly any bump with the gain set to 1/2 about 3v, so i turn it up more to 3/4 which is about 1v still not much bass coming from the subs. I have tried to tune it with multi meter 39v (sqaure root of 1500) with bass tone 50hz but the output seems halved or even less, not much bump coming from the woofer at all (mind you the diamond amps voltage was set only to approximately 2v or 3/5 gain) and it was significantly loud as hell as I switched it back now again and again. I was going to send it back to sonicxxxx but I'm not in the states so its going to cost me a lot more to send it backwards and forth. I'm just wondering would it be an amp problem somewhere, or is it normal to have the gain turned all the way up with skar amps cause frankly I've never done that, I never used the remote on all my past system, does it need to be connected or access from there? I mean if there was a wire problem (power or ground) it should have equal affect on the diamond amp as well but not that I can see except the fact it sounds much more powerful than the skar amp. I've been exploring the amps for days now and i'm just both pissed and annoyed with this problem could anyone please suggest what I can do or test or whatever setting I should be aware of or I'm just unlucky with a defect amp. many thanks simon Link to comment Share on other sites More sharing options...
phistula Posted July 25, 2014 Report Share Posted July 25, 2014 The Skar Audio 1500.1 amplifier is not CEA Compliant, therefore there is nothing to guarantee that the amplifer put out the published power rating. It sounds like you know how to install equipment. It might be an inferior product. Link to comment Share on other sites More sharing options...
FocusOn20s Posted July 25, 2014 Report Share Posted July 25, 2014 CEA Compliant doesn't mean anything outside of the 4ohm rating at 14.4vthe SK1500.1 is a stout amp so you either received a bad product or something in your install is messed up Link to comment Share on other sites More sharing options...
sbg Posted July 25, 2014 Report Share Posted July 25, 2014 The Skar Audio 1500.1 amplifier is not CEA Compliant, therefore there is nothing to guarantee that the amplifer put out the published power rating. It sounds like you know how to install equipment. It might be an inferior product. Skar has a well known product witch is also known to be proven. Not only from customers but by amp dyno. OP Did you try master/slave switch? 01 focus se 110 amp alt Big 3 sky high and stinger hpm ofc 1/0 Super start platinum AGM (starting) 2 runs of 1/0 Execution audio front to back Kenwood double DIN DDx271 A pillars- orion 4" super tweeter and 2-1" alpines. Orion xtx 64 in the front doors 2:1 4th order bandpass Sealed off trunk Digital designs deadener on roof/ rear deck Orion hcca 12s (black coils) Orion xtr3700.1 Orion xtr250.2 mid/highs All sky high 1/0 in trunk dual runs(power/ground) Sky high dual 1/0 inputs 2 xs power D3100 in back Sky high batt blocks Rose audio batt blocks Stinger volt meter All sky high 1\0 fuse and holders Db link remote/ rca Link to comment Share on other sites More sharing options...
SIDE SHOW Posted July 25, 2014 Report Share Posted July 25, 2014 prob needs higher voltage tis all Link to comment Share on other sites More sharing options...
GassenD Posted July 25, 2014 Report Share Posted July 25, 2014 Are you using the Gain knob at all? Are you setting the amp with or without the Knob? If you are, try setting the gain with the knob unplugged. '97 Explorer2 Sundown SA 15's SQ 2200D Kinetik KHC1800 (Front) Kinetik KHC 2000 (Back) KnuKonceptz 1/0 OFC 130A Alt + Big 3 Link to comment Share on other sites More sharing options...
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