PA speaker project
Posted: Mon Aug 06, 2018 5:16 pm
As I am well in to my drumming at the moment and been doing more and more gigs my thoughts have turned to my pa speakers. Bought them 2nd hand 20 years ago from a pa company. Anyway, 12 years ago they were used for a party in the village hall along with a crap laney pa head that was not up to the job. Result was drivers all shagged - cant remember what they were.
Shortly after I replaced the 15 inchers with some celestion truvox 1525e and the horns are celestion CDX1-1745. Don't remember what I did to the xover but the 15" is run straight from the amp and the horn is through 7R, 3.3uf then 10uf and unknown inductor across the horn driver. 3rd order ? Cabs have 4 (yes four) ports and the bass driver can only be seen through a narrow slit on the baffle. Some kind of band pass bollocks ?
They sound ok for what we use them for but if i can get them sounding better then i will.
1) change filter on the horn tweeter - padding resistor and single cap maybe
2) add a mid freq driver maybe
3) remove all the wadding and block up the ports
4) spray the 15 incher with plastidip.
I know its only a pa speaker and (usually) only handles vocals but as i am having to tart up the cosmetics any way then i could possibly have a play.
Shortly after I replaced the 15 inchers with some celestion truvox 1525e and the horns are celestion CDX1-1745. Don't remember what I did to the xover but the 15" is run straight from the amp and the horn is through 7R, 3.3uf then 10uf and unknown inductor across the horn driver. 3rd order ? Cabs have 4 (yes four) ports and the bass driver can only be seen through a narrow slit on the baffle. Some kind of band pass bollocks ?
They sound ok for what we use them for but if i can get them sounding better then i will.
1) change filter on the horn tweeter - padding resistor and single cap maybe
2) add a mid freq driver maybe
3) remove all the wadding and block up the ports
4) spray the 15 incher with plastidip.
I know its only a pa speaker and (usually) only handles vocals but as i am having to tart up the cosmetics any way then i could possibly have a play.