file speaker wiring and passive crossovers

9 years 5 months ago #8438 by Daryll
Well that a long topic title :lol:

My woodworking skills are ok , but that's where it ends , I am building a new PA for disco use.
The subs/bins contain the following.

2 x http://bmsspeakers.com/cone-speaker-compression-driver/bms-neodymium-cone-speakers/bms-neodymium-cone-low/bms-12n630-neodymium-woofer/12n630-woofer-introduction/

Both are only in 8 ohm versions.
So the first question , a passive crossover , I was thinking along the lines of 40hz HPF and 200hz LPF.
so wiring the speakers in parallel that would give a 4 ohm load , correct ?..

The tops are 2 x 8 + comp driver.

8" drivers http://bmsspeakers.com/cone-speaker-compression-driver/bms-neodymium-cone-speakers/bms-neodymium-cone-low-mid/bms-8n515-neodymium-cone-driver/8n515-cone-driver-introduction/

Compression driver http://bmsspeakers.com/cone-speaker-compression-driver/ferrite-compression-drivers/bms-1-inch-compression-driver/bms-4524-compression-driver/4524-compression-driver-intro/

so what about a two way crossover 200hz HPF and 1.9khz HPF ?

As all three units are 8ohm , how would these be wired to give a total load impeadence of both tops and subs of 8ohm ( everything running off one amp) , of have I got this wrong ?
am I making ant sense? :lol: :lol:

Cheers

Daryll

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9 years 5 months ago #8444 by nickyburnell
Replied by nickyburnell on topic speaker wiring and passive crossovers
Not nice running passive between bas and mid top. The componants would need to be very big in the power handling dept, ergo not cost effective.
Two amps, or a three or four channel one and an active crossover.
Maybe a little lower than 200hz as well. Tony Wilkes will advise

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9 years 5 months ago #8445 by jsk
Replied by jsk on topic speaker wiring and passive crossovers
+1 on running active crossover between bass / mids. You could get away with a single amp if run in mono, 2 bass drivers in parallel at 4ohms, mid highs (passive) in parallel also at 4 ohms. An investment in a berry ultradrive active crossover now would give you so much more functionality for hi / lo pass filters, eq, limiters and delays.

Steve

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