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Author Topic: QSC KW or JBL PRX?  (Read 63752 times)

Igor Mamuzic

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Re: QSC KW or JBL PRX?
« Reply #30 on: September 13, 2010, 02:19:44 pm »

I would like to know, what an F letter means at the end of prx woofer driver?
I know that H, G and J represent impendance but what's an F ? Smile
Sorry for bad English Very Happy

Scott Wagner

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Re: QSC KW or JBL PRX?
« Reply #31 on: September 13, 2010, 02:38:51 pm »

If you're referring to "ULF", I believe it stands for Ultra Low Frequency.

Scott Wagner
Big Nickel Audio
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Chuck Simon

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Re: QSC KW or JBL PRX?
« Reply #32 on: September 13, 2010, 02:49:58 pm »

I think he is referring to the 2268FF driver in the PRX618X-XLF.  I would like an answer to that question too.  I know the speaker has dual voice coils, could F mean 2 ohm?
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Igor Mamuzic

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Re: QSC KW or JBL PRX?
« Reply #33 on: September 13, 2010, 06:40:22 pm »

Chuck Simon wrote on Mon, 13 September 2010 20:49

I think he is referring to the 2268FF driver in the PRX618X-XLF.  I would like an answer to that question too.  I know the speaker has dual voice coils, could F mean 2 ohm?


Yes i was referring to that Smile For example Prx 615 uses 265F driver.. and that F is what interests me Smile
There is a very big possibility that it means 2ohms but then again if driver in prx 615 has dual voice coil why it's not FF? Smile

Caleb Dick

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Re: QSC KW or JBL PRX? New Yamaha DSR Series 1300W !
« Reply #34 on: September 13, 2010, 06:59:17 pm »

Joe Matracia wrote on Mon, 13 September 2010 07:21

 His observation was the QSC's sounded more 'studio-y' and the JBLs were more 'grainy/live music-like'.  


I have not heard the JBL's, but can say the KW's were definitely the least harsh of the options available from the Product Reviews link.  

Plus, what's not to love about standing out from the sea of orange?

Edit: what's with crappy sound quality being associated with 'live music-like'?  I've heard this a few times over the years.  I guess I like my live music to sound natural and non-harsh and thus must be out of the loop.
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Caleb Dick
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Joe Matracia

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Re: QSC KW or JBL PRX? New Yamaha DSR Series 1300W !
« Reply #35 on: September 13, 2010, 09:31:41 pm »

Caleb Dick wrote on Mon, 13 September 2010 17:59

Joe Matracia wrote on Mon, 13 September 2010 07:21

 His observation was the QSC's sounded more 'studio-y' and the JBLs were more 'grainy/live music-like'.  


I have not heard the JBL's, but can say the KW's were definitely the least harsh of the options available from the Product Reviews link.  

Plus, what's not to love about standing out from the sea of orange?

Edit: what's with crappy sound quality being associated with 'live music-like'?  I've heard this a few times over the years.  I guess I like my live music to sound natural and non-harsh and thus must be out of the loop.



He wasnt knocking them - just trying to describe the sound difference - but I know what you're saying and totally agree.

I ordered the QSC stuff today - 153s over 181s. Now to wait...which brings up another point. When the QSC guy demoed these he made a pitch that no matter in or out of 'stock' they could be produced in a very short time frame because QSC makes everything that goes in these cabs - amps, cabs, hardware, etc etc...so what's with the Nov 5 due date???

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Chuck Simon

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Re: QSC KW or JBL PRX? New Yamaha DSR Series 1300W !
« Reply #36 on: September 13, 2010, 09:31:41 pm »

"if driver in prx 615 has dual voice coil why it's not FF?"

Maybe because the driver in the 615 doesn't have dual coils.  It's only the 615-XLF that uses the 2268FF.
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Jon Smith

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Re: QSC KW or JBL PRX? New Yamaha DSR Series 1300W !
« Reply #37 on: September 13, 2010, 11:16:49 pm »

Chuck Simon wrote on Mon, 13 September 2010 19:31

"if driver in prx 615 has dual voice coil why it's not FF?"

Maybe because the driver in the 615 doesn't have dual coils.  It's only the 615-XLF that uses the 2268FF.


From the JBL website specs on the PRX 615:

380 mm (15 in) Differential Drive
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Jimmy Wright

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Re: QSC KW or JBL PRX?
« Reply #38 on: September 14, 2010, 12:18:15 am »

I love my 535s
I run them as a half stack with BFM T39s.  Sounds real nice and clear.  Vocals and snare jumps right at you in the mix.  Low end can be lacking in the PRX on larger gigs (200-400).  Horn will start to take off at higher volume levels.
Haven't gotten to hear the HPRs.
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Craig Smith

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Re: QSC KW or JBL PRX?
« Reply #39 on: September 14, 2010, 12:19:41 am »

Igor Mamuzic wrote on Mon, 13 September 2010 11:19

Sorry for bad English Very Happy

Actually your English is better than many native English speakers who post to web forums.
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