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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 => Pro AV Forum => Topic started by: Connor Nygaard on January 05, 2020, 02:54:03 AM

Title: JBL vs QSC for a Newbie Engineer
Post by: Connor Nygaard on January 05, 2020, 02:54:03 AM
Hey folks. I'm a newbie who has been working as an assistant for medium to larger sized shows for a couple years, and I'm looking to buy my first system. The majority of what I've heard in my time is JBL, typically VRX/VTX systems with SRX728 subs in varying quantities. Thus I'm quite a fan of JBL. I've loved them for years.

As for my needs, I sincerely doubt I would need anything for more than 100 people considering I'm just beginning to branch out. My venues would be all over the place; anywhere from bars, clubs, even small to medium sized breakout rooms in hotels. I've narrowed my selection down to two systems. One from JBL, consisting of two PRX812W tops and a single SRX818SP sub. The other would be from QSC, consisting of two K12.2 tops and a single KS118 sub. I've heard the PRX818XLFW, and considering I can only transport one single 18" sub, I was hideously underwhelmed by it considering the price. It just doesn't have the output I'd want. I would be piping everything between hard hitting EDM to vocal-only shows to possibly bands through this system. For reference, my console is a Behringer XR18 to start with.

I'm a firm believer in hearing a system and drawing my own conclusion from there, but I am unable to find anyone in the Rocky Mountain region that has an SRX818SP out on demo, and I haven't had a chance to hear anything from QSC just yet. I've heard the PRXs, and they were alright, but with that PRX sub, it just didn't do it for me.

What I'm looking for in a system is simple: as much output as possible from the low end, since both sets of tops are likely going to be more than enough for what I need, and as clean of a low end as possible. I'm used to feeling it in my chest from the subs given the shows I help out with here and there, so I want as much of that as I can from my own system, while being as clean as possible as well. The PRX sub was really boomy, and I was not fond of it. I want my mids to be clearly defined, and I'd like crystal clear highs without being crackly.

I'm not sure if the material of cabinets would make a difference in sound quality, since the JBL are wooden and the QSC are plastic. I know the QSCs would be a tad smaller and a tad lighter, but the QSC sub is quite a bit bigger and heavier than the SRX, despite the former coming with casters. If the QSC was just as much louder and better than the SRX for how much heavier it is, I'm perfectly fine with that. I'll tolerate weight for output.

The only other thing I'd like to have is emotional satisfaction. As I said earlier, I've loved JBL for years, since I was a kid. Having JBL would fulfill an emotional need as well, like buying that sports car you always wanted. It's healthy, I feel. So while I would like the winner to be from Harman, I am willing to put that behind me and go towards someone else if they have a superior product. Just a small detail worth mentioning.

Thanks to anyone who throws their two cents in here, and if anyone knows of stores in the Rocky Mountain region that have any of these products, I'd also appreciate the hint.

- Connor N
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Tim Weaver on January 05, 2020, 11:16:30 AM
I would suggest using the SRX subs. Even if it means getting some used tops instead of new. SRX is kind of the minimum of what is "usable" in JBL's lineup. And truthfully they work really well.

Right now if I was buying a little system like this it would be SRX subs with Yamaha DZR 12's for tops. Those Yamaha's seem to never run out of gas. Or, if you can find them the former DSR12 which are recently discontinued are almost as good. Search around here to read about how these plain-brown-wrapper speakers became the best of the bunch of anything buyable at guitar center. You really can't beat them until you start talking to dealers of higher-end brands.

Another great option is SRX subs with the SRX835P. The 3-way 835 is a really good sounding speaker that gets loud enough for most bar bands. They are popular and JBL has sold thousands of them so you might be able to find some used. This 3-way is not terribly heavy and has a pole cup so it can be put on a (sturdy) stand.
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Luke Geis on January 05, 2020, 03:42:25 PM
I can say for fact that the SRX will outrun the K series stuff without breaking a sweat. I would put the PRX to be equal to the K series in terms of output and performance. For a few dollars more the SRX line is still the speaker to beat right now. The Yamaha DZR stuff is gaining traction, but I have not yet worked with it. What I didn't like about the Yamaha DSR series is that it did use multiband compression to get its level of performance up, you could hear it when you were asking a lot of them. The SRX limiters are damn near invisible and it doesn't have a multiband thing going on. If the DZR does what the DSR did, that would be what annoys me about them ( They do say D-Contour in the literature, so I would bet they do ). I still feel that the JBL SRX line is the end all be all for those that don't have the money to step into the big leagues but can't afford to be caught playing with toys either. The SRX is as close as you can get and not spend twice as much to get it.

RCF is also a very good option, but more expensive. I am not sold on Yamaha DZR yet as I know I didn't like the D-contour thing with the DSR and it is a little more expensive than the SRX ( on average ). Another thing to consider is that the SRX has a 3" HF driver whereas the DZR has a 2" HF driver. And when you do the math, the SRX has a slightly more reasonable number than the DZR. For the DZR output the peak SPL it says it does, it would have to have a speaker sensitivity of 106db 1w - 1m!!!! Bullshit..... The SRX would have to have a 103db 1w - 1m sensitivity ( also bullshit, but at least not an outright blasphemous lie ). The 103db number is at least semi possible at the cost point, 106db is an outright, 100% BS marketing lie and for Yamaha to even suggest the DZR will hit 139db in a way that is usable is misleading. Anyway, I digress.

My vote goes for SRX.
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Debbie Dunkley on January 05, 2020, 09:07:39 PM
I own/have owned pretty much everything you have listed. The KW181 were not mine but I used them for a while. The PRX subs I have are the 700 series - not the 800.

I agree with the others that the SRX series is unbeatable until you start spend a lot more money.
The PRX818 you heard - it surprises me you were not happy with it. I use mine (PRX718) all the time for the smaller shows and they sound great - not as musical or defined as the SRX subs but I wouldn't describe them as boomy.
As Luke said, the PRX series is the equivalent to the QSC K/KW series so if you didn't like the PRX, you might not like the KW either - especially for EDM.  The SRX828sp would be the sub(s) for that.
I recently sold my whole SRX system - not because I didn't like it - FAR from it , but to invest in a Danley system - a lot more money but a lot more system in less quantity of pieces.
If I had not taken the leap, I would still have the SRX system today and still get compliments all the time.
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Connor Nygaard on January 05, 2020, 10:21:54 PM
I own/have owned pretty much everything you have listed. The KW181 were not mine but I used them for a while. The PRX subs I have are the 700 series - not the 800.

I agree with the others that the SRX series is unbeatable until you start spend a lot more money.
The PRX818 you heard - it surprises me you were not happy with it. I use mine (PRX718) all the time for the smaller shows and they sound great - not as musical or defined as the SRX subs but I wouldn't describe them as boomy.
As Luke said, the PRX series is the equivalent to the QSC K/KW series so if you didn't like the PRX, you might not like the KW either - especially for EDM.  The SRX828sp would be the sub(s) for that.
I recently sold my whole SRX system - not because I didn't like it - FAR from it , but to invest in a Danley system - a lot more money but a lot more system in less quantity of pieces.
If I had not taken the leap, I would still have the SRX system today and still get compliments all the time.

Thanks everyone for the input.

I actually found the only brick and mortar store in the region that seems to stock anything SRX, let alone the whole damn lineup. So I went to listen to the 828SPs today, and also the new KS118 since they had that as well.

The long story made short is I have now decided on a system; PRX812w tops with a KS118 sub. Here's my reasoning.

The SRX828SP I listened to today was fantastic. Definitely the best, cleanest, nicest sub to my ears. But I simply cannot ignore that KS118. The amount of output that single 18" had was nearly identical to the dual 18" JBL, if not slightly more at times. I was in awe of that thing when it was cranked. The SRX was very pleasing to listen to as well, even when maxed out, and I would say the QSC was 95% as good. I hit them both with as loud a signal as I could with both up at +12dB, and neither one even considered blinking the limiter light, as the store was audibly shaking, from the *opposite* end.

As for the tops, I knew the PRXs would have plenty of puff in them to keep up with even two 828SPs, so I wasn't worried about output on those. But while the K12.2 was very similar sounding to the 812w, I preferred the sound of the JBL more. Specs be damned, it seemed to project sound a little wider than the K12.2, and also felt more "musical" if that makes any sense. The JBL was just more satisfying to listen to, but I can't explain why. I'm a cinematographer when I'm not doing A/V, and I can tell you that the images you get between an ARRI camera and a Sony/Canon/Panasonic camera are very similar, but the former just has that special ingredient that makes it much more satisfying an experience, hence why 90% of major motion pictures are shot with ARRI cameras. That's the best way I can explain what's going on with these speakers.


I don't know if I stated this originally, but I am unable to carry a dual 18" right now. I simply cannot transport it. So if I am getting similar levels out output and cleanliness as an SRX828SP in a much smaller and lighter package, which unless my ears were drunk, was definitely happening, then that's my decision right there.

So there it is. That shall be my system moving forward. Thanks a lot folks!
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Scott Holtzman on January 06, 2020, 01:43:12 PM
Thanks everyone for the input.

I actually found the only brick and mortar store in the region that seems to stock anything SRX, let alone the whole damn lineup. So I went to listen to the 828SPs today, and also the new KS118 since they had that as well.

The long story made short is I have now decided on a system; PRX812w tops with a KS118 sub. Here's my reasoning.

The SRX828SP I listened to today was fantastic. Definitely the best, cleanest, nicest sub to my ears. But I simply cannot ignore that KS118. The amount of output that single 18" had was nearly identical to the dual 18" JBL, if not slightly more at times. I was in awe of that thing when it was cranked. The SRX was very pleasing to listen to as well, even when maxed out, and I would say the QSC was 95% as good. I hit them both with as loud a signal as I could with both up at +12dB, and neither one even considered blinking the limiter light, as the store was audibly shaking, from the *opposite* end.

As for the tops, I knew the PRXs would have plenty of puff in them to keep up with even two 828SPs, so I wasn't worried about output on those. But while the K12.2 was very similar sounding to the 812w, I preferred the sound of the JBL more. Specs be damned, it seemed to project sound a little wider than the K12.2, and also felt more "musical" if that makes any sense. The JBL was just more satisfying to listen to, but I can't explain why. I'm a cinematographer when I'm not doing A/V, and I can tell you that the images you get between an ARRI camera and a Sony/Canon/Panasonic camera are very similar, but the former just has that special ingredient that makes it much more satisfying an experience, hence why 90% of major motion pictures are shot with ARRI cameras. That's the best way I can explain what's going on with these speakers.


I don't know if I stated this originally, but I am unable to carry a dual 18" right now. I simply cannot transport it. So if I am getting similar levels out output and cleanliness as an SRX828SP in a much smaller and lighter package, which unless my ears were drunk, was definitely happening, then that's my decision right there.

So there it is. That shall be my system moving forward. Thanks a lot folks!

How are you going to deal with the QSC expects the crossover to be in the mains while the JBL in the subs?  You need to use an external crossover.
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Steve-White on January 06, 2020, 01:56:29 PM
Connor, it's been mentioned - but to reiterate, buy used gear when you can.  Especially in the early days.  Also, find a local shop that's reputable and can advise you.  Get a rapport with a good sales engineer.

Most of the gear at the professional level will last a long long long time - generally becomes obsolete way before it wears out unless it's really abused.
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Debbie Dunkley on January 06, 2020, 02:06:48 PM
The amount of output that single 18" had was nearly identical to the dual 18" JBL, if not slightly more at times.

I find this VERY hard to believe unless you were relying on the input gains 'appearing' to be the same. The sensitivity input on the SRX series is lower than the usual consumer grade stuff so you have to increase that for fair comparison.
That SRX828sp is a BEAST!...
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Tim Weaver on January 06, 2020, 02:58:03 PM
How are you going to deal with the QSC expects the crossover to be in the mains while the JBL in the subs?  You need to use an external crossover.

He mentioned using an XR18 for a mixer. He can drive the sub off an aux and the XR has HP and LP filters in the output EQ. I have done this a lot. It really is an amazing little bit of kit, especially when you came from the "bad old days".
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Connor Nygaard on January 06, 2020, 06:20:44 PM
I find this VERY hard to believe unless you were relying on the input gains 'appearing' to be the same. The sensitivity input on the SRX series is lower than the usual consumer grade stuff so you have to increase that for fair comparison.
That SRX828sp is a BEAST!...

I 100% agree, the 828 *is* a beast, and if I was able to transport a dual 18", I would buy it without thinking. And I will admit, I was likely limited by my signal gain coming from my phone to both subwoofers. But the fact that I was able to hear as little difference between the two of them to begin with is enough for me to drool over the QSC like I am. Both subs were set to +12dB when I heard them, and I had my phone set to max volume going into them one at a time. Neither hit limiter.
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Connor Nygaard on January 06, 2020, 06:22:47 PM
Connor, it's been mentioned - but to reiterate, buy used gear when you can.  Especially in the early days.  Also, find a local shop that's reputable and can advise you.  Get a rapport with a good sales engineer.

Most of the gear at the professional level will last a long long long time - generally becomes obsolete way before it wears out unless it's really abused.

Thanks very much for the tip, the local shop here in Colorado Springs, Performance Audio, is looking to sell me demo units. Practically brand new speakers for several hundred dollars off list. I've no idea what a number would be on a KS118, but even with that at list it still sounds like a screaming deal to me.
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Steve-White on January 06, 2020, 06:30:37 PM
Thanks very much for the tip, the local shop here in Colorado Springs, Performance Audio, is looking to sell me demo units. Practically brand new speakers for several hundred dollars off list. I've no idea what a number would be on a KS118, but even with that at list it still sounds like a screaming deal to me.

I buy demo, open box & "B" stock items whenever I can.  Buy from the right place and if it has problems they will support you.  Picked up a Denon Prime 4 DJ console last month as a demo item from Sweetwater for about $300 below regular price.  Fired it up and it had issues.  They replaced it with a brand new console.  Back in the day I used dual 18" & dual 15" subs as well as 18" "W" horns.  Now everything is single driver in a box and I use them in multiples as needed - much easier to move around.
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: veditor78 on January 06, 2020, 10:09:27 PM
I owned a fair bit of the SRX800 gear for awhile. It was great stuff. Look for it used and you'll be very happy.
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Tim Padrick on January 12, 2020, 06:29:44 PM
JBL Vs QSC, I prefer the Yamaha DSR and DXR (much to my surprise).
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Jamin Lynch on January 12, 2020, 07:05:04 PM
Also check out the JBL VRX918SP subs. Smaller then the SRX818. I have a few of them. I think they sound better IMO
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Travis Retrum on June 19, 2023, 10:18:25 PM
I find this VERY hard to believe unless you were relying on the input gains 'appearing' to be the same. The sensitivity input on the SRX series is lower than the usual consumer grade stuff so you have to increase that for fair comparison.
That SRX828sp is a BEAST!...

Getting a pair of these subs soon, do you by chance know what the input gain needs to be at to be about equal to everything else? Or what do you usually increase it to?
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Debbie Dunkley on June 20, 2023, 12:12:37 AM
Getting a pair of these subs soon, do you by chance know what the input gain needs to be at to be about equal to everything else? Or what do you usually increase it to?

I didn’t pay attention to where the settings were - I relied on what I heard to be honest and I no longer own these subs. Just be prepared to push the levels up probably 20% higher than you would think. They will take it and perform safely …
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Scott Holtzman on June 20, 2023, 01:11:31 AM
I find this VERY hard to believe unless you were relying on the input gains 'appearing' to be the same. The sensitivity input on the SRX series is lower than the usual consumer grade stuff so you have to increase that for fair comparison.
That SRX828sp is a BEAST!...


Debbie,


I think the new KS QSC uses a B&C driver.  Whatever it is it must have significantly more xmax than the 828SP's.  It doesn't dig quite as deep though so that is another reason they can squeeze a bit more output.


When the JBL's came out almost 10 years ago they defined a new market.  That was when JBL still had US based service.  Now a 3" voice coil differential drive based box is starting to show it's age.  I know folks with amp modules that have been out for 6 months and that includes drivecore units out of expensive JBL boxes.  I know I would be pissed.


QSC was getting very old in tooth with the KW but their line refresh is great.  Hopefully they will now replace the KW boxes. 


Connor I think a single 18 in a club is unrealistic, especially with EDM. Maybe if they say Danley or JTR on the grill.  I also don't think you can have a club rig be your corporate rig in the day either.  They will get scratched and smell like booze and someone will complain. after awhile.  My wedding and corporate rigs stay in cases and never go to the clubs.  Even if you get a Turbosound Inspire rig for the corporate/wedding and then a used club rig.  If you want to fulfill some emotional need and get a JBL (Keep in mind they are owned by Harman these days) I would get SRX passive and amps from a company with service you can count on.



Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Brian Jojade on June 20, 2023, 02:09:21 AM

The SRX828SP I listened to today was fantastic. Definitely the best, cleanest, nicest sub to my ears. But I simply cannot ignore that KS118. The amount of output that single 18" had was nearly identical to the dual 18" JBL, if not slightly more at times. I was in awe of that thing when it was cranked. The SRX was very pleasing to listen to as well, even when maxed out, and I would say the QSC was 95% as good. I hit them both with as loud a signal as I could with both up at +12dB, and neither one even considered blinking the limiter light, as the store was audibly shaking, from the *opposite* end.


Listening to speakers operate in a retail store is pretty close to the biggest waste of time ever.  Subs can sound wildly different depending on placement, room size, etc.

There's NO way that in the real world the single 18 will outrock the dual 18 SRX.  Your ears may have been deceiving you.  The fact that you couldn't bring either one up to the point of limit means you don't know what their output really is.

As far as picking out a SYSTEM, I don't understand the logic of mixing and matching.  Manufacturers spend a lot of time designing systems that work together.  Eg, if you're going with JBL, the SRX tops and subs are generally in the same class and pair nicely together.  Same thing with a QSC system.

When you mix and match, you're suggesting that you have more knowhow than the engineers at the companies that actually DESIGN the gear.  It just doesn't make any sense whatsoever.
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Ray Aberle on June 29, 2023, 11:04:51 PM
There's no way anyone here could have known this, but Connor was a good friend of mine.

He passed away the summer of 2020 (https://www.journaltrib.com/articles/journal-obituaries/connor-nygaard/).
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Tim McCulloch on June 30, 2023, 01:46:17 PM
There's no way anyone here could have known this, but Connor was a good friend of mine.

He passed away the summer of 2020 (https://www.journaltrib.com/articles/journal-obituaries/connor-nygaard/).

Hi Ray-

It's a small world some days.  Sorry to hear of his passing, Ray.

I remember a local obituary for Conner in our Wichita paper/website but didn't make the connection to Conner from the LAB.  His family locations are all places I've driven to or through in route to visit my family members.
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Debbie Dunkley on June 30, 2023, 01:59:36 PM
I am so sad to hear of this. He was only 23 years old??? Heart breaking...RIP Connor.
Title: Re: JBL vs QSC for a Newbie Engineer
Post by: Scott Holtzman on June 30, 2023, 03:17:35 PM
There's no way anyone here could have known this, but Connor was a good friend of mine.

He passed away the summer of 2020 (https://www.journaltrib.com/articles/journal-obituaries/connor-nygaard/).
So sorry to hear that Ray. 

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