Totalnoob Posted November 17, 2015 Report Share Posted November 17, 2015 hey guys is it possible to have a blown sub and still have it playing fine? i have 2 dual 4 ohms subs wired to 1 ohm and when i check the impedance at the amp its reading 2 ohms does that mean i blew a sub? both subs are still playing good though which is weird doesnt sound distorted at all. What can this be? you guys think i blew just one of the voicecoils? Link to comment Share on other sites More sharing options...
MotorCityFats13 Posted November 17, 2015 Report Share Posted November 17, 2015 my bet is a damaged voice coil.... if it does not read proper then there is a problem... put a DMM on each coil individually Link to comment Share on other sites More sharing options...
Totalnoob Posted November 17, 2015 Author Report Share Posted November 17, 2015 my bet is a damaged voice coil.... if it does not read proper then there is a problem... put a DMM on each coil individually dang so that means i am going to have to recone it. is it bad if i run the subs like this until it really blows or is it bad for the amp? i have no idea how long i have been running it like this lucky thing i check today. Link to comment Share on other sites More sharing options...
MotorCityFats13 Posted November 17, 2015 Report Share Posted November 17, 2015 my bet is a damaged voice coil.... if it does not read proper then there is a problem... put a DMM on each coil individuallydang so that means i am going to have to recone it. is it bad if i run the subs like this until it really blows or is it bad for the amp? i have no idea how long i have been running it like this lucky thing i check today. you will not know anything until you measure all 4 coils.... right now its less of a load on the amp.... my friend bought an american bass XFL 15" that the coils impedance would jump around.... sub sounded fine until he blew it playing 20hz tones.... another friend bought an DC XL15 dual 2ohm and one coil was 2 and the other coil was 4.... both of these examples were right out of the box... did you meter the setup before and have a final 1ohm load Link to comment Share on other sites More sharing options...
Totalnoob Posted November 17, 2015 Author Report Share Posted November 17, 2015 my bet is a damaged voice coil.... if it does not read proper then there is a problem... put a DMM on each coil individuallydang so that means i am going to have to recone it. is it bad if i run the subs like this until it really blows or is it bad for the amp? i have no idea how long i have been running it like this lucky thing i check today. you will not know anything until you measure all 4 coils.... right now its less of a load on the amp.... my friend bought an american bass XFL 15" that the coils impedance would jump around.... sub sounded fine until he blew it playing 20hz tones.... another friend bought an DC XL15 dual 2ohm and one coil was 2 and the other coil was 4.... both of these examples were right out of the box... did you meter the setup before and have a final 1ohm load yeah I did get a final load of 1 ohm before but that was a while ago i changed boxes and stuff since then. maybe along the line i screwed up the wiring is it possible to screw up the wiring to get a 2 ohm load from 2 dual 4 ohm subs? I will just have to take out the subs which is a pain but i gotta do it to find out this problem i will be sure to check all the coils with a DMM Link to comment Share on other sites More sharing options...
MotorCityFats13 Posted November 17, 2015 Report Share Posted November 17, 2015 if you somehow forgot to connect 1 VC you would get 1.33ohm with the +/- values that one could expect you could see 2ohm..... my guess is one coil is reading 0 and the other 3 are at 4ohm giving you 1.33/2ohm Link to comment Share on other sites More sharing options...
Totalnoob Posted November 18, 2015 Author Report Share Posted November 18, 2015 ok i took out the subs today an actually 1 coil on both of the subs are reading 0 ohms so thats why i was getting a 2 ohm final impedance. It sounds fine to me so i will just run it like this til they fully blow. Thanks Link to comment Share on other sites More sharing options...
Miguels Posted November 18, 2015 Report Share Posted November 18, 2015 How are the subs firing? If they are firing up the sag can change the reading.. So I think since the impedance moves when the cone moves so if the soft parts are broken in and nit stiff the cone might sag giving a different reading on the coils my logshttp://www.stevemead...-my-new-set-up/my blow through loghttp://www.stevemead...future-updates/ 96 ss http://www.stevemeadedesigns.com/board/topic/164094-96-impala-ss-build/ Link to comment Share on other sites More sharing options...
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