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Sound Reinforcement - Forums for Live Sound Professionals - Your Displayed Name Must Be Your Real Full Name To Post In The Live Sound Forums => LAB Lounge => Topic started by: Chris Carpenter on April 19, 2011, 09:54:25 PM

Title: PVDJ
Post by: Chris Carpenter on April 19, 2011, 09:54:25 PM
So, a local shop got in a pair of excellent shape PVDJ DJS5 mains. They appear to have a scorpion woofer and rx22 tweet. They claim 700w program. I am trying to decide if these would be a good upgrade from my jbl jrx115s. I have always liked the tone of peavey mains, and the added power handling would be awesome. However, I am having a hard time finding any spec sheets or manual for this speaker. I am specifically looking for sensitivity, frequency response, and polar patterns.
Title: Re: PVDJ
Post by: Bob Leonard on April 19, 2011, 10:34:14 PM
So, a local shop got in a pair of excellent shape PVDJ DJS5 mains. They appear to have a scorpion woofer and rx22 tweet. They claim 700w program. I am trying to decide if these would be a good upgrade from my jbl jrx115s. I have always liked the tone of peavey mains, and the added power handling would be awesome. However, I am having a hard time finding any spec sheets or manual for this speaker. I am specifically looking for sensitivity, frequency response, and polar patterns.

Program power is not relevent. Long term handling power, frequency response and to some degree peak SPL are relevent. Being that the difference in power handling is 50 watts if your decision is based on the ability to handle more power it's the wrong decision.
 
If your decision is based on one bottom of the line speaker vs. another bottom of the line speaker then JBL wins. If you're a DJ and you've based your decision on the writeup below then have at it, but WTF is DJ voicing. Would that be a cabinet with no response above 2K?
 
 
* DJ voicing for pre-recorded music.
* 15" Scorpion® Plus woofer with field replaceable basket.
* Rx™ 22 compression driver with ferrofluid cooling.
* 700 W program, 1400 W peak.  - - - - - 350 watt long term ???
* Large constant directivity HF Horn.  - - - - WTF is a large horn ???
* Sound Guard™ IV tweeter protection.
* Trapezoidal enclosure.
* Stand mount adaptor.

Or as JBL puts it for the JRX;
 
   
Dimensions
(H x W x D)
  :   
699 mm x 460 mm x 432 mm
(27.5 in x 18.1 in x 17 in)
Frequency Response
  :   
50 Hz - 12.5 kHz
(±3 dB)
Sensitivity
  :   
98 dB SPL
(1w/1m)
Nominal Impedance
  :   
8 ohms
Recommended Amplifier Power
  :   
250 W to 500 W into 8 ohms
Maximum SPL
  :   
128 dB
Nominal Dispersion
  :   
90º x 50º
Crossover Frequency
  :   
1.6 kHz
Weight
  :   
27.4 kg (61 lb)
High Frequency Driver
  :   
JBL 2412 1 in exit compression driver mounted on Progressive Transition™ Waveguide
Low Frequency Driver
  :   
JBL M115-8A
Input Connectors
  :   
Neutrik® Speakon® NL-4 (x1); .25in TS phone jack (x1); parallel
Title: Re: PVDJ
Post by: Brad Weber on April 19, 2011, 11:36:04 PM
They claim 700w program. I am trying to decide if these would be a good upgrade from my jbl jrx115s. I have always liked the tone of peavey mains, and the added power handling would be awesome.
'Power handling' is correct as the power rating does not define the output, only how much power it can handle.  FWIW, the 350W/700W/1,400W ratings for the DJS 5 versus the 250W/500W/1,000W ratings of the JRX115 represent less than a 1.5dB difference, so if the sensitivities are equal then many people may not even notice the difference.
 
However, I am having a hard time finding any spec sheets or manual for this speaker. I am specifically looking for sensitivity, frequency response, and polar patterns.
It looks like there may be limited product data to start with and that it may not be readily available.  It was apparently a modified SP5 and the intended market probably didn't care that much about sensitivity, polar response, etc.
Title: Re: PVDJ
Post by: Chris Carpenter on April 19, 2011, 11:53:36 PM
Yeah, that's about what I figured; I'm just always after a way to step up my rig. I guess the lack of specs implies that I shouldn't be interested. Ill see if i can get a hold of peavey and get the missing specs up here for future reference.

Alright, well, I suppose Ill stick with my bottom of the line JBLs ;) (Hey, at least my gear pays for itself after two gigs :P)
Title: Re: PVDJ
Post by: Bob Leonard on April 20, 2011, 07:21:21 AM
Yeah, that's about what I figured; I'm just always after a way to step up my rig. I guess the lack of specs implies that I shouldn't be interested. Ill see if i can get a hold of peavey and get the missing specs up here for future reference.

Alright, well, I suppose Ill stick with my bottom of the line JBLs ;) (Hey, at least my gear pays for itself after two gigs :P )

And in many cases that's what matters. I know how hard it can be to resist the need or desire to enhance your rig, but lateral moves seldom work. Save a little more and look at the MRX or SRX series. You'll be much happier in the long run.
Title: Re: PVDJ
Post by: Chris Carpenter on April 20, 2011, 07:23:24 PM
for future reference:


The Peavey DJS 5 speaker was offered August 2003 for $419.99 each.

Impedance - 8 ohms
Power handling -m350 watts continuous, 700 watts Program ( 1400 watts peak )
Frequency Response - 63 Hz to 17 KHz (+/-) 3 dB  [ DJ voicing for pre-recorded music  ]. Which means the frequency response is scooped out from about 150 Hz up to 1800 Hz.
Usable Low Frequency - 50 Hz at (-) 10 dB
Sensitivity - 98 dB SPL @ 1 watt /; 1 meter
MAX SPL -123 dB SPL Continuous
& 131 dB SPL Peak
Dispersion - 90 degrees H (X) 45 degres V
Weight - 65 lbs.
Crossover Frequency - 1800 Hz
Crossover Slope - 12dB / octave
Title: Re: PVDJ
Post by: John Sabine on April 21, 2011, 02:56:02 PM
I have replaced a LOT of horn drivers in these speakers. What usually happens is that the difficult to find light bulbs in the "sound guard" protection circuit go out and the owner ends up bypassing them. Then the horn driver dies. IMHO these speakers are the equivalent to NADY or some similar brand. Stick with the JBL's. Don't fall for wattage as measured by the marketing department.
Title: Re: PVDJ
Post by: Gus Housen on April 21, 2011, 05:54:02 PM
Why not go listen to them, bring your boxes to AB them. Its not like the JRX is any prize,the tweeters dump on those all the time.

However it shouldnt be considered a upgrade more of a sideways move.