Hooking Up Creek Audio 50A amp with SVS SB-2000 subwoofer - AVS Forum
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post #1 of 6 Old 03-28-2014, 11:53 AM - Thread Starter
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Please excuse my ignorance but I wanted to make sure I am hooking up my SVS SB-2000 sub properly to my new Creek 50A.

 

The Creek 50A has a pre-out which can be used to connect the active SVS SB-2000 sub.

 

Should I connect the pre-out L/R from the Creek to the IN L/R of the the SVS?

Can I connect a single subwoofer cable from the pre-out R to the LFE/R?

 

Any help is appreciated.

 

 

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post #2 of 6 Old 03-28-2014, 01:14 PM
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You can do it either way.

Low bass is usually pretty much equal in both channels, so one cable is probably all you need.

But I would run two cables, L to L and R to R.

I know that is just a generic picture, but with most speakers you will want the LPF set to 50 Hz (assuming that your main speakers go down to 50 Hz).
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post #3 of 6 Old 03-28-2014, 02:29 PM - Thread Starter
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Actually that pic of the sub is what my sub looks like exactly.

 

My speakers are Klipsch Heresy I which I just bought. Specs aren't marked on the speakers and I can't find specs online.

 

The Heresy II's are 63Hz-20kHz. Maybe the Heresy's are not the best speakers for this amp.

 

I am looking into the Dynaudio X12's which are 50Hz - 23kHz.

 

So if my speakers are say 63Hz-20kHz I should put the subs LPF to around 63HZ?

 

I tried the single subwoofer LFE cable but hooking up the cables L to L and R to R made it louder which makes sense.

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post #4 of 6 Old 03-30-2014, 10:44 AM
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I understand that it is a picture of a sub like yours; I just meant that the knob settings pictured were not necessarily your current settings.

Klipsch Heresy speakers are very good; I would certainly want to keep them.

You should experiment with subwoofer LPF settings from 50 to 70 Hz by playing some recordings that have some good plucked string bass and drums etc. and find what setting gives the best blend between the speakers and sub.

The Kilpsch website does have a spec sheet for that model (1957-1985 production) which lists a spec of 50-17kHz +/- 5db. (klipsch.com/heresy-floorstanding-speaker/details)

That probably means they are 3 db down somewhere around 60 Hz or so.

Since their sensitivity is 96 db/watt, a 10-watt amplifier would be sufficient for them...lol.

You should have a nice sound system there once you get the LPF setting optimized.

Placement of those speakers is kind of an interesting problem, since they are described as "floorstanding", but are only 22" tall.

A guy I knew back in the 1960s had a pair, and he put them on top of a pair of box/cabinets that had two shelves for LP records and were about two feet tall. That seemed to work out well.

On the other hand, actually putting them on the floor would no doubt give more bass.

To raise, or not to raise....

Interesting...lol.

The Heresy 3 comes with a base attached that raises them a couple of inches and tilts them back around 15 degrees, which may be what is needed.
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post #5 of 6 Old 03-31-2014, 04:03 PM - Thread Starter
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Ok - I have been experimenting with the location and configuration of the sub and it does sound pretty good.

 

The Heresy speakers do have great dimension to them I am just wondering if I need to recap them since they are so old.

 

Thanks for all the information. I appreciate it.

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post #6 of 6 Old 04-01-2014, 08:03 AM
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If you want to replace the crossover caps, I suggest that you call Parts Connexion and ask for suggestions for the best replacement types.

Some of the newer types of capacitors have very low absorbtion loss and can improve the sound compared to the originals.

You should look at the old ones carefully first and determine what size, value, and type they are if possible.
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