Stupid question about preamp, and amps?

[AcuDefTechGuy]

Yeah with Def Tech SM 65 and SM 55 speakers I think 80 Hz is right. 60 possibly but I tried that and I like 80 Hz better.

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When you have subwoofers to handle the bass, I see no reasons to try and overwork the speakers.

Even when I had Revel Salon2, I set the XO to 100 - 120 Hz. No need to let my expensive speakers work to death.

 

[Irvrobinson]

When you have subwoofers to handle the bass, I see no reasons to try and overwork the speakers.

Even when I had Revel Salon2, I set the XO to 100 - 120 Hz. No need to let my expensive speakers work to death.

Just for the point of conversation, I completely disagree. I found that running the Salon2s full-range and using an 80Hz low-pass filter with the sub produced much smoother bass response than using a high-pass filter with the Salon2s. Of course, the sub has to support PEQs you tune with room analysis or you'll probably get roominess, but the end result is compelling in the three instances I've done it. The Salon2s have very powerful response to below 30Hz, so for most program material the resulting system is like having three subs. The same is true of many main speakers with high-output capabilities to 30Hz or below.

Also, since the Salon2 has an internal 120Hz 4th order L-R slope crossover to the woofers, using a high-pass filter at 100-120Hz is going to have some rather weird room effects in a very sensitive frequency range, I would guess. Perhaps these odds effects, and having 5 effective subs now, is why you like the bass of your RBH system better than that of the Salon2/dual Funk sub system.

 

[AcuDefTechGuy]

Just for the point of conversation, I completely disagree. I found that running the Salon2s full-range and using an 80Hz low-pass filter with the sub produced much smoother bass response than using a high-pass filter with the Salon2s. Of course, the sub has support PEQs you tune with room analysis or you'll probably get roominess, but the end result is compelling in the three instances I've done it. The Salon2s have very powerful response to below 30Hz, so for most program material the resulting system is like having three subs. The same is true of many main speakers with high-output capabilities to 30Hz or below.

Also, since the Salon2 has an internal 120Hz 4th order L-R slope crossover to the woofers, using a high-pass filter at 100-120Hz is going to have some rather weird room effects in a very sensitive frequency range, I would guess. Perhaps these odds effects, and having 5 effective subs now, is why you like the bass of your RBH system better than that of the Salon2/dual Funk sub system.

Well, as I've mentioned before- we all like our bass to different degrees.

It's just a matter of preference.

The Salon2 certainly have powerful bass, and many people wouldn't even use subwoofers with them.

Right now I'm using my Linwitz Orion without subwoofers in my living room. The Orion have very power bass, and many people wouldn't use subwoofers with them. But some would.

 

[Hetfield]

The Outlaw model 976 will use TI/Burr-Brown DAC. You guys will know what that means more or better than me.

 

[PENG]

The Outlaw model 976 will use TI/Burr-Brown DAC. You guys will know what that means more or better than me.

Need to know the number, the 1792, 1795, 1796 are their better ones. The 1791, 1690, 5102 are not bad, 5100 has much lower specs.

 

[Hetfield]

Huh, he didn't give me that info. He might not actually know. Didn't sound like he knew a ton about it. I think there's not much info on this processor yet, hasn't even been released.

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[Pogre]

Yeah with Def Tech SM 65 and SM 55 speakers I think 80 Hz is right. 60 possibly but I tried that and I like 80 Hz better.

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I know Audyssey always set my crossovers to 40hz for my front 3, if not set them as large. I think like HD said, positioning and placement play more of a role than your speaker's capabilities when it comes to room correction software. I'd probably just keep it at 80hz. That does seem to be the magic number for most.

I've been pretty busy the last few days so I got behind on the forums!