Cerwin-Vega 189 E

bigandsexy68 · 27th July 2006, 06:45 AM

I just reciently purchesed a set of Cerwin-Vega 189 E 18" Subs
I am trying to find out as much as I can about them but havnt had much luck. I have found out more here than anywhere else & I was hopeing somone would be able to tell me more.

I need to know how much power these subs can handle safely. I am sure that one has been rebuilt the 8 olm rating has been crossed out & 4 olm is wrote on the tag there is nothing on the other. Is there a way to check & see if both speakers are the same? If one is 4 & the other is 8 am I correct to assume that the 4 will handle twice what the 8 will?

My second question is the boxes that they are going in are not ported do I need to port them before I start using them?
The box demintions are aprox 20" x 18" x 24" if I do need to port them how much do I need?

I am very new to this & only have a basic understanding of it all any additional info would be greatly appreciated
Thank You

sreten · 28th July 2006, 04:22 PM

Fs 30.5
QTS 0.227
Qes 0.241
Qms 3.86
Vas 8.617 cu ft
xmax 5.2 mm
sd 165.1 sq inch
Bl 26.77
Pe 400
Z 8
Re 5

apparently designed for horn loading,
+ no the 4 ohm will not handle 2x power
+ it will have different specs Z, Re, Qes, Qts, (+ xmax ?)

Check Re with a multimeter to see if they are different.

You need to model excursion limited power handling in WinISDpro.

/sreten.

27th July 2006, 06:45 AM	#1
bigandsexy68 diyAudio Member Join Date: Jul 2006	Cerwin-Vega 189 E I just reciently purchesed a set of Cerwin-Vega 189 E 18" Subs I am trying to find out as much as I can about them but havnt had much luck. I have found out more here than anywhere else & I was hopeing somone would be able to tell me more. I need to know how much power these subs can handle safely. I am sure that one has been rebuilt the 8 olm rating has been crossed out & 4 olm is wrote on the tag there is nothing on the other. Is there a way to check & see if both speakers are the same? If one is 4 & the other is 8 am I correct to assume that the 4 will handle twice what the 8 will? My second question is the boxes that they are going in are not ported do I need to port them before I start using them? The box demintions are aprox 20" x 18" x 24" if I do need to port them how much do I need? I am very new to this & only have a basic understanding of it all any additional info would be greatly appreciated Thank You

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28th July 2006, 04:22 PM	#2
sreten diyAudio Member Join Date: Nov 2003 Location: Brighton UK	Fs 30.5 QTS 0.227 Qes 0.241 Qms 3.86 Vas 8.617 cu ft xmax 5.2 mm sd 165.1 sq inch Bl 26.77 Pe 400 Z 8 Re 5 apparently designed for horn loading, + no the 4 ohm will not handle 2x power + it will have different specs Z, Re, Qes, Qts, (+ xmax ?) Check Re with a multimeter to see if they are different. You need to model excursion limited power handling in WinISDpro. /sreten.

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