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2 sub experiment

68.33.30.246
Posted on May 29, 2020 at 13:41:09
G Squared
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Posts: 8479
Location: Washington, DC Metro Area
Joined: November 16, 2004
Contributor
  Since: May 23, 2023
 I have a 15 in sealed sub that does music and HT duty.

Since I have some time to experiment I installed My old M&K 12 in sub in parallel for 2 channel.

The 15 is on the left wall 1/3 out from the front wall. The 12 in on the front wall to the right of center. I do not have any position flexibility.

So far, I like it. The low end seems even, speaker integration is good and the voices and instruments are more in the air.

Sub crossover controls set about the same the volume on the 12 is set very low.
Gsquared

 

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I've tried two subs and one sub..., posted on May 30, 2020 at 03:38:32
ghost of olddude55
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Posts: 32547
Joined: July 14, 2017
 and I prefer no subs, even with Role Kayaks set up on stands.
Maybe my subs are junk, maybe it's just me, I don't have the patience to fool with them, but I can't ever seem to get a subwoofer properly integrated into my system.




The blissful counterstroke-a considerable new message.

 

+1 nt, posted on May 30, 2020 at 04:16:31
vinnie2
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Posts: 4481
Location: North Carolina
Joined: September 28, 2013
 nt

 

RE: One Word..., posted on May 30, 2020 at 06:53:55
B. Scarpia
 Sealed Box.

And keeping the volume at the lowest end of what you think is too low.

OK, that's 2 words.

 

RE: One Word..., posted on May 30, 2020 at 08:14:44
G Squared
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Posts: 8479
Location: Washington, DC Metro Area
Joined: November 16, 2004
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  Since: May 23, 2023
 Yes sir

Both subs are sealed.
Gsquared

 

+1 (nt), posted on May 30, 2020 at 08:46:34
TWB
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Posts: 7408
Location: Long Beach, California
Joined: January 5, 2001
 NT

 

Ported..., posted on May 30, 2020 at 09:09:45
ghost of olddude55
Audiophile

Posts: 32547
Joined: July 14, 2017
 but not relieved, nor stroked, nor bored. They won't do 140 on the top end floored either.
And always too much or not enough. I don't think my Maggies need them, they've got plenty of bass. Neither do the Frieds, which have plenty of punch.
But with the Kayaks, the subs just muddy things up.



The blissful counterstroke-a considerable new message.

 

Did some listening of where to put subs in the room, posted on May 30, 2020 at 09:33:26
kff
Audiophile

Posts: 1033
Location: SE PA
Joined: October 19, 2006
 This method isn't the best but it is a method. Put the sub in the listening chair and crawl around the room and find the good bass. Put the sub there. Thanks to Mark for finding the two spots that sound good in my room...
Front center, between the speakers and on the left wall in front of the speakers. Tried one spot with the two subs and noticed the sonic difference between them as they are different one active one passive. I'll get to both subs soon.

Maybe you have a couple good spots for the subs.

 

RE: What about Blue-printed or Magna-flummoxed?, posted on May 30, 2020 at 10:32:25
B. Scarpia
 I wish you hadn't revealed your MLR's or LRS's or whatever have plenty of bass. I'm trying not to hear them calling my name....

...Baron...oh, Baron....

 

RE: 2 sub experiment , posted on May 30, 2020 at 10:42:17
Rod M
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Joined: March 1, 1999
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  Since: March 1, 1999



I've used two subs for years, Velodyne SPL-1500Rs. Of course, my EdgarHorns drop like a rock below 80hz, so I have one next to each speaker with the crossover at 80hz. It works great.

-Rod

 

MMG., posted on May 30, 2020 at 11:09:11
ghost of olddude55
Audiophile

Posts: 32547
Joined: July 14, 2017
 They go pretty deep and the bass is really well articulated. Lots of speed and detail.
The Frieds have slam but they don't go deep.
The Kayaks put out a surprising amount bass from those bottle cap-sized "woofers" but they can't fill a room.
The thing about the Maggies though is they'll go deep to a point and then they just stop. There's a Nitty Gritty Dirt Band album, has a tune with a seriously deep bass drum and the Maggies just don't play it. My headphones do, the Maggies don't. It's like there's no curve, it just cuts off.
But Steve Swallow's bass guitar is sublime.
Would consider a decent sealed sub, but I don't listen to speakers enough to justify it.



The blissful counterstroke-a considerable new message.

 

RE: MMG., posted on May 30, 2020 at 12:25:12
dbphd
Audiophile

Posts: 1674
Location: Montecito, CA
Joined: September 6, 2006
 A pair of Velodyne HGS-15s in the corners do it for me. I use a Velodyne SMS-1 for acoustic room correction. They integrate well with speakers for music yet can deliver LFE for HT.

 

RE: MMG., posted on May 30, 2020 at 12:51:41
ghost of olddude55
Audiophile

Posts: 32547
Joined: July 14, 2017
 I have Velodynes, but they're the cheapest model and they're ported.
Gave one to my brother, still have one left. They're either too much or not enough.



The blissful counterstroke-a considerable new message.

 

SMS-1, posted on May 31, 2020 at 09:52:20
M-dB
Audiophile

Posts: 295
Location: Nor Cal
Joined: June 26, 2014
 I was about to purchase the SMS-1 for my HGS 18 when Velodyne announced the Digital Drive series. I've since been using two DD 12 Plus since their introduction.

Funny how the higher end community has such a reluctance to learn just how easy it is to deal with low frequency equalization and or processing. Instead leaning toward the vagueness of subwoofer/speaker matching or using speaker level connections to match the amplifier output.

 

I don't have any choice., posted on May 31, 2020 at 12:19:34
ghost of olddude55
Audiophile

Posts: 32547
Joined: July 14, 2017
 I have old gear without bass management or separate outputs for a sub, and speaker-level is the only way I can do it.





The blissful counterstroke-a considerable new message.

 

RE: SMS-1, posted on June 4, 2020 at 12:01:34
dbphd
Audiophile

Posts: 1674
Location: Montecito, CA
Joined: September 6, 2006
 A useful feature of the SMS-1 is the ability to sweep the in-room response of your speakers with the subs muted. I discovered that the in-room response of my KEF Reference 1s is pretty flat to 30 Hz, then rolls off sharply. I had noticed that the bass in the jazz music I listen to is well rendered without the triggering the subs. When the HGS-15 are unmuted, the in-room response extends to 15 Hz, and I notice the difference when playing pipe organ recitals.

 

RE: 2 sub experiment , posted on June 4, 2020 at 21:21:05
Presto
Audiophile

Posts: 5957
Location: Canada
Joined: November 10, 2004
 Rod:

Is that a 2" throat Tractrix horn?
What driver are you using?

Looks amazing!!

Cheers,
Presto

 

RE: 2 sub experiment , posted on June 5, 2020 at 06:36:40
Rod M
Web Geek

Posts: 16242
Location: So. California
Joined: March 1, 1999
Contributor
  Since: March 1, 1999
 Yes, it's an EdgarHorn using a JBL 2441 driver.

-Rod

 

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