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  #1511  
Old 08-23-2019, 05:09 PM
Kal Rubinson's Avatar
Kal Rubinson Kal Rubinson is offline
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Quote:
Originally Posted by dbphd View Post
IIRC, a You Tube presentation by a PS Audio guy re sub woofer setup.
Well, I am not going to bother sitting through it to find out what he says and the context in which he makes that broad statement. Can you say expand on what he says?
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If it ain't true, it makes sub woofer connection better for me because I can use XLR cables.
I cannot see why it is not the preferred connection unless the PSA guy is talking about a specific context.

BTW, I am not blowing off PSA but merely expressing my lack of patience for almost any YouTube presentations. I'd prefer a document or reference from an authority.
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  #1512  
Old 08-23-2019, 05:13 PM
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Kal Rubinson Kal Rubinson is offline
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I've been reading about LFE on the internet, and now I'm more confused than ever about which inputs/outputs of the SMS-1 I should use. It appears that both the XLR and RCA inputs are labeled LFE, but there are XLR and RCA outputs labeled LFE and an RCA pair labeled equalized for an accessary kit (whatever that is). I had assumed the SMS-1 was low-passing the full range audio sent to it as well as doing acoustic room correction.
Can't help you there. My memory of the SMS-1 is dim but my report on it is still on the website where I found this: I see an LP filter on that screen.
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  #1513  
Old 08-24-2019, 04:34 AM
dbphd dbphd is offline
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Originally Posted by Kal Rubinson View Post
Can't help you there. My memory of the SMS-1 is dim but my report on it is still on the website where I found this: I see an LP filter on that screen.
Thanks, Kal.

I think I'm going to use the SP3 for subwoofer management, the SMS-1 for acoustic room correction. Thus output from the Ayre KX-5/20 goes to the SP3; output from the SP3 is passed through the SMS-1 to the subwoofers, actually two daisy-chained SMS-1s for two Velodyne HGS-10s and two HGS-15s. IIRC, the processing that screen shows can be turned off. I'll use 4th order crossover at 80 Hz. The speakers are KEF Ref 1s with LS50 surrounds.
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  #1514  
Old 08-27-2019, 05:20 AM
dbphd dbphd is offline
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I had imagined that the crossover slope was adjustable with the SP3, but it doesn't seem to be. Does anyone know what crossover slope the SP3 provides? If it's not 24 dB/octave, I'll use the Velodyne SMS-1 for low-pass.
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  #1515  
Old 08-27-2019, 02:01 PM
dbphd dbphd is offline
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From Bryston: In almost all cases it's 4th order low-pass, 2nd order high-pass. The high-pass filtering surprised me.
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