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<blockquote data-quote="johnnygoat" data-source="post: 8538877" data-attributes="member: 650382"><p>I have a 71 GTO convertible that back in the day I thought nothing to cut up dash or door panels but now I'm keeping it original looking as possible. here's what I got going on and my problems. The head unit that fits in the dash without cutting it is probably a retro sound unit(not sure) I bought from a Pontiac parts web site. I will attach a picture of unit and it specs. This is no high end set up it just something the fits so I can have a decent sounding system for those rides to the car shows.</p><p></p><p>Front speaker (fits in factory location center of dash) retro sound full range loud speaker 2-way 4"x10" full range DVC speaker</p><p></p><p>nominal impedance (ohms) 4+4 DVC freq response 43hz-21khz power handling(watts rms/peak) 90/160</p><p></p><p><a href="http://www.sonicelectronix.com/item_115293_RetroSound-R-410N.html" target="_blank">RetroSound R-410N 160 W Peak (90 W RMS) 4x10" 3-Way Coaxial Car Speaker</a></p><p></p><p>This is ran thru speaker wires off head unit to amp to speakers</p><p></p><p>Front speakers in kick panels these speakers came with factory looking kick panels. Kenwood KFC-1665s ^ 1/2" 2-way</p><p></p><p>nominal impedance 4 ohms freq response 35-22000hz power handling 30 watts rms 300 watts peak</p><p></p><p>These speakers do not run off amp they run directly off the head unit (I think as per somebody on this forum)</p><p></p><p><a href="http://www.sonicelectronix.com/item_76461_Kenwood-KFC-1665S.html" target="_blank">Kenwood KFC-1665S 6.5" Sport Series Coaxial Car Speakers</a></p><p></p><p>Rear speakers I made a box out of wood for these speakers they sit on the rear transmission hump between front and back seats</p><p></p><p>.J.L Audio 5"x7" coaxial loud speakers C2-570X</p><p></p><p>nominal impedance 4 ohms freq response 53hz-22khz continuous power handling 60 watts</p><p></p><p>These are ran thru speaker wires off head unit to amp to speakers</p><p></p><p><a href="http://www.sonicelectronix.com/item_17151_JL-Audio-C2-570x.html" target="_blank">JL Audio C2-570x 450W 5" x 7" / 6" x 8 2-Way Evolution C2 Series Coaxial Car Speakers</a></p><p></p><p>Sub woofers (there are 2) are located in the convertible top well there are cut outs in there for 6"x9" speakers. ( this is where convertible top fold into)</p><p></p><p>CDT Audio CL-69sub 6"x9" mid/sub woofer</p><p></p><p>nominal impedance 4 ohms freq response 45-4000hz power handling 100 watts rms / 200 watts music ( 100hz high pass)</p><p></p><p>These are ran thru rca connections on the head unit to the amp to 2 subs wired parallel</p><p></p><p><a href="http://www.woofersetc.com/p-8451-cl-69sub-cdt-audio-6x9-midsubwoofers.html" target="_blank">CL-69SUB - CDT Audio 6x9" Mid/Subwoofers</a></p><p></p><p>Amplifier is in trunk</p><p></p><p>Soundstream Picasso Nano PN.5&gt;640D</p><p></p><p>Rms power @4ohms 60watts x 4ch + 200watts</p><p></p><p><a href="http://www.sonicelectronix.com/search?keyword=Soundstream+Picasso+Nano+PN.5%3E640D" target="_blank">Soundstream Picasso Nano PN.5&gt;640D | Sonic Electronix Search</a></p><p></p><p>First Set max clean volume</p><p></p><p>I set my gains by a digital muti meter front and rear speakers square root of 60 x 4 = 15.49 target output voltage sine wave test tone 1khz this was no problem. Here is my first question how do I or where do I set hi pass for front and rear channels should these be set before the gains. Also there is a button there for front and rear channels should I set that on HPS or Flat. Right now I have it set at HPF front 125hz rear HPF 125hz.</p><p></p><p>I set my two subwoofers gains the same way with a digital muti meter square root of 200 x 4 = 28.28 target output voltage sine wave test tone 50hz, This is where I had a problem I could nowhere get the gain set that high without turning gain all the way up and the bass boost 1/2 up. Is this the right way to do this or is something not right does it have something to do with coming off the rca outputs on the head unit I would think that's what they are for. I set my low pass at 50hz Could somebody help me with this and tell me what's wrong</p><p></p><p>Should gains be set before low and high pass filters. right now I set my filters first do these settings for filters sound alright.. Thanks</p></blockquote><p></p>
[QUOTE="johnnygoat, post: 8538877, member: 650382"] I have a 71 GTO convertible that back in the day I thought nothing to cut up dash or door panels but now I'm keeping it original looking as possible. here's what I got going on and my problems. The head unit that fits in the dash without cutting it is probably a retro sound unit(not sure) I bought from a Pontiac parts web site. I will attach a picture of unit and it specs. This is no high end set up it just something the fits so I can have a decent sounding system for those rides to the car shows. Front speaker (fits in factory location center of dash) retro sound full range loud speaker 2-way 4"x10" full range DVC speaker nominal impedance (ohms) 4+4 DVC freq response 43hz-21khz power handling(watts rms/peak) 90/160 [URL="http://www.sonicelectronix.com/item_115293_RetroSound-R-410N.html"]RetroSound R-410N 160 W Peak (90 W RMS) 4x10" 3-Way Coaxial Car Speaker[/URL] This is ran thru speaker wires off head unit to amp to speakers Front speakers in kick panels these speakers came with factory looking kick panels. Kenwood KFC-1665s ^ 1/2" 2-way nominal impedance 4 ohms freq response 35-22000hz power handling 30 watts rms 300 watts peak These speakers do not run off amp they run directly off the head unit (I think as per somebody on this forum) [URL="http://www.sonicelectronix.com/item_76461_Kenwood-KFC-1665S.html"]Kenwood KFC-1665S 6.5" Sport Series Coaxial Car Speakers[/URL] Rear speakers I made a box out of wood for these speakers they sit on the rear transmission hump between front and back seats .J.L Audio 5"x7" coaxial loud speakers C2-570X nominal impedance 4 ohms freq response 53hz-22khz continuous power handling 60 watts These are ran thru speaker wires off head unit to amp to speakers [URL="http://www.sonicelectronix.com/item_17151_JL-Audio-C2-570x.html"]JL Audio C2-570x 450W 5" x 7" / 6" x 8 2-Way Evolution C2 Series Coaxial Car Speakers[/URL] Sub woofers (there are 2) are located in the convertible top well there are cut outs in there for 6"x9" speakers. ( this is where convertible top fold into) CDT Audio CL-69sub 6"x9" mid/sub woofer nominal impedance 4 ohms freq response 45-4000hz power handling 100 watts rms / 200 watts music ( 100hz high pass) These are ran thru rca connections on the head unit to the amp to 2 subs wired parallel [URL="http://www.woofersetc.com/p-8451-cl-69sub-cdt-audio-6x9-midsubwoofers.html"]CL-69SUB - CDT Audio 6x9" Mid/Subwoofers[/URL] Amplifier is in trunk Soundstream Picasso Nano PN.5>640D Rms power @4ohms 60watts x 4ch + 200watts [URL="http://www.sonicelectronix.com/search?keyword=Soundstream+Picasso+Nano+PN.5%3E640D"]Soundstream Picasso Nano PN.5>640D | Sonic Electronix Search[/URL] First Set max clean volume I set my gains by a digital muti meter front and rear speakers square root of 60 x 4 = 15.49 target output voltage sine wave test tone 1khz this was no problem. Here is my first question how do I or where do I set hi pass for front and rear channels should these be set before the gains. Also there is a button there for front and rear channels should I set that on HPS or Flat. Right now I have it set at HPF front 125hz rear HPF 125hz. I set my two subwoofers gains the same way with a digital muti meter square root of 200 x 4 = 28.28 target output voltage sine wave test tone 50hz, This is where I had a problem I could nowhere get the gain set that high without turning gain all the way up and the bass boost 1/2 up. Is this the right way to do this or is something not right does it have something to do with coming off the rca outputs on the head unit I would think that's what they are for. I set my low pass at 50hz Could somebody help me with this and tell me what's wrong Should gains be set before low and high pass filters. right now I set my filters first do these settings for filters sound alright.. Thanks [/QUOTE]
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