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Author Topic: K-sub or other Slim Subs  (Read 3820 times)

Peter Kowalczyk

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K-sub or other Slim Subs
« on: September 25, 2018, 02:05:04 PM »

Apologies if this has been beaten to death already; redirect and flame away if necessary...

A client is looking for slim / compact subs to fit under the stage in a new, small (<150 cap), fixed install.  He's interested in the QSC K sub, which is <15" wide.  Whatever we choose will be working with a mid-level self powered 12" 2 way; (still TBD, though I'm a DSR fanboy).

I have little experience with bandpass designs, and have not personally used this model, so I'm looking for:

a) opinions on the K Sub, and its successor the KS112
b) alternate options for slim subs that I should be considering.

Marketing SPL numbers put the K sub louder by 2dB than the newer KS112 (130 vs 128), but have the KS112 operating lower in frequency (-6dB at 41 vs. 48Hz) - any real world experience to refute or confirm this?

Thanks!
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Debbie Dunkley

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Re: K-sub or other Slim Subs
« Reply #1 on: September 25, 2018, 02:18:08 PM »

Apologies if this has been beaten to death already; redirect and flame away if necessary...

A client is looking for slim / compact subs to fit under the stage in a new, small (<150 cap), fixed install.  He's interested in the QSC K sub, which is <15" wide.  Whatever we choose will be working with a mid-level self powered 12" 2 way; (still TBD, though I'm a DSR fanboy).

I have little experience with bandpass designs, and have not personally used this model, so I'm looking for:

a) opinions on the K Sub, and its successor the KS112
b) alternate options for slim subs that I should be considering.

Marketing SPL numbers put the K sub louder by 2dB than the newer KS112 (130 vs 128), but have the KS112 operating lower in frequency (-6dB at 41 vs. 48Hz) - any real world experience to refute or confirm this?

Thanks!

The K-sub is generally not well thought of here on the forum as the band pass designed sub is a bit of a one note wonder. I used to own a couple and they were OK in smaller places but I never got the quality of sound or adequate levels for live music I desired from a sub. I used them with K10's. I had to run them flat out and turn down the tops quite a bit to balance.
Kick always sounded pretty good.....bass not so much.
For around the same money there are better sounding options out there - PRX818xlf, KW181  Turbosound IQ18 and more.

Edit : sorry almost forgot my main point..... if you need a small sub there have been a few recommended on here - I have owned a PRX715xlf (replaced by the PRX815xlf ) and it was a really good sounding little sub - quite musical and way better than the K-sub - nice small footprint too. 
There are offerings from RCF and others in 12" and 15" that other members will probably comment on.
« Last Edit: September 25, 2018, 02:23:31 PM by Debbie Dunkley »
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Nathan Riddle

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Re: K-sub or other Slim Subs
« Reply #2 on: September 25, 2018, 02:29:30 PM »

Install?

I'd do Danley TH212

Ksub sucks.
New Ksub, dunno.
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Steve Garris

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Re: K-sub or other Slim Subs
« Reply #3 on: September 25, 2018, 03:19:57 PM »

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Caleb Dueck

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Re: K-sub or other Slim Subs
« Reply #4 on: September 25, 2018, 03:21:02 PM »

Install?

I'd do Danley TH212

Ksub sucks.
New Ksub, dunno.
Agreed.  TH-Mini would be a better comparison, and is still a better sub.  Or the TH112.  The TH212, even though 12" drivers, is not a "toy" by any means.

The KW181 is passable, the rest of the QSC subs not so much. 

If there is less than 15" of under-stage height - fly the subs instead.  All Danley subs have 3/8" rig points.

Sent from my VS980 4G using Tapatalk

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Mike Pyle

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Re: K-sub or other Slim Subs
« Reply #5 on: September 25, 2018, 03:47:47 PM »

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Dave Scarlett

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Re: K-sub or other Slim Subs
« Reply #6 on: September 25, 2018, 04:12:40 PM »

I have these https://www.ebay.com/itm/392128251808?ul_noapp=true

Kinda heavy to haul around, but I think you'd like them.
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Tim Hite

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Re: K-sub or other Slim Subs
« Reply #7 on: September 25, 2018, 05:17:06 PM »

What's the depth on the space and do you need active or passive?

These are very slim and available in both active and passive
http://www.vueaudio.com/products/is-26-is-26a-compact/

Also I have used the Tannoy VS10BP subs on a few installs with good results. They need plenty of power.



Apologies if this has been beaten to death already; redirect and flame away if necessary...

A client is looking for slim / compact subs to fit under the stage in a new, small (<150 cap), fixed install.  He's interested in the QSC K sub, which is <15" wide.  Whatever we choose will be working with a mid-level self powered 12" 2 way; (still TBD, though I'm a DSR fanboy).

I have little experience with bandpass designs, and have not personally used this model, so I'm looking for:

a) opinions on the K Sub, and its successor the KS112
b) alternate options for slim subs that I should be considering.

Marketing SPL numbers put the K sub louder by 2dB than the newer KS112 (130 vs 128), but have the KS112 operating lower in frequency (-6dB at 41 vs. 48Hz) - any real world experience to refute or confirm this?

Thanks!
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kel mcguire

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Re: K-sub or other Slim Subs
« Reply #8 on: September 25, 2018, 05:30:46 PM »

I've really been impressed with my pair of Yamaha DXS12 subs. I see there's a mkII that goes lower and louder, yet is lighter. And their DXS15 mkII has upped the performance too. Perhaps a consideration
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Nathan Riddle

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Re: K-sub or other Slim Subs
« Reply #9 on: September 25, 2018, 06:00:23 PM »

Agreed.  TH-Mini would be a better comparison, and is still a better sub.  Or the TH112.  The TH212, even though 12" drivers, is not a "toy" by any means.

The KW181 is passable, the rest of the QSC subs not so much. 

If there is less than 15" of under-stage height - fly the subs instead.  All Danley subs have 3/8" rig points.

You are correct, the TH-Mini or TH112 or TH-mini15 would all be more comparable to the ksub (output wise). But You and I both like our subs so the TH212 would be my pick :)

All the Danley offerings will be in a different (higher) class IMO.
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Peter Kowalczyk

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Re: K-sub or other Slim Subs
« Reply #10 on: September 25, 2018, 07:46:42 PM »

Thanks for your comments and suggestions.

This is a lounge-level install, with a corresponding budget.  I'd love to go for something like that Danley TH212, but they can't afford it. 

Doesn't need to shake the earth either, this is a <150 person capacity room.

Getting details on Stage Height; not sure if that's been built yet.  The K-sub's 15" dimenstion is the current target, so looking for things in that ballpark.

Self powered is preferable.

thanks again,
P
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Nathan Riddle

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Re: K-sub or other Slim Subs
« Reply #11 on: September 25, 2018, 07:58:05 PM »

Thanks for your comments and suggestions.

This is a lounge-level install, with a corresponding budget.  I'd love to go for something like that Danley TH212, but they can't afford it. 

Doesn't need to shake the earth either, this is a <150 person capacity room.

Getting details on Stage Height; not sure if that's been built yet.  The K-sub's 15" dimenstion is the current target, so looking for things in that ballpark.

Self powered is preferable.

thanks again,
P

Get a quote from Mike Pyle for the TH-Mini I think it would fit your criteria better than a TH212.

I would also vouch for the Martin X210 or CSX212 ~900-1200 retail
« Last Edit: September 25, 2018, 08:06:22 PM by Nathan Riddle »
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Wes Garland

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Re: K-sub or other Slim Subs
« Reply #12 on: September 25, 2018, 08:22:40 PM »

I rented a Yorkville PSA1S the other night.  2x12 with lots of oomph, I really liked it and it seems to fit your use-case. The only real negative is the fixed 100Hz low pass filter.
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Douglas R. Allen

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Re: K-sub or other Slim Subs
« Reply #13 on: September 25, 2018, 09:08:44 PM »

These are new but are close to the size your looking for.  17-17-27 inches

http://yorkville.com/subwoofers/elite/product/es12p/

Seems to have very good output and I have a pair of Yorkville subs that do work well.

Douglas R. Allen
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Paul G. OBrien

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Re: K-sub or other Slim Subs
« Reply #14 on: September 25, 2018, 10:00:47 PM »

The Yorkville PS15s and PSa1s are very capable and compact at only 17" and 14" wide.
http://yorkville.com/subwoofers/paraline/product/psa1s/
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Re: K-sub or other Slim Subs
« Reply #14 on: September 25, 2018, 10:00:47 PM »


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