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Can you post a link? I think one uses speaker wire unless it's a REL subwoofer which has a special REL cable. https://www.psaudio.com/pauls-posts/the-best-way-to-connect-a-sub/"My favorite method is to tap the output of the loudspeaker power amplifier instead. Some subwoofers have a high-level input that can accept the main power amp’s speaker outputs. (Check to make sure this feature is available before purchasing a subwoofer) In this configuration, the amp’s power is not being used by the subwoofer, just its signal. Internal to the subwoofer are high-value resistors that neck-down the amp’s big output to something usable to the sub’s internal amplifier."
I watch psaudio's Paul McGowan on you tube. One of his videos suggested hooking up a powered sub to an amplifier. Not sure but I think it's hooking up with a coaxial cable. I don't know of any amplifer that has a coaxial out. Anybody know about one?
Nothing confusing about it at all.Think about how you connect your main speakers to main amp with speaker cables.Do the same exact thing with the powered sub. That is, connect it to main amp with speaker cables. So 2 pair of speaker cables at amp end: one pair to main speakers, other pair to sub.This is called a "high level" connection. Of course, the sub must have the binding posts to allow it to be connected this way. Many do, but not all.You can also run jumper cables from the main speaker binding posts to the sub high level input / binding posts. I connect my pair of Gallo CLS-10 subs this way, one at the foot of each speaker.Paul McGowan at PS Audio believes "high level" is the best way to connect a sub. So does REL.
But like I say I've never seen an amplifier with one RCA out jack to a sub.
PS Audio Sprout100 integrated amplifier Yamaha A-S801 integrated amplifier
I guess some integrated amps have this feature. How about a non integrated amp?
A subwoofer line-level output (whether single mono or dual stereo jacks) is a feature of a preamplifier or integrated amplifier, not a power amplifier.If the subwoofer signal is derived from a power amplifier then it would be a high-level signal from the speaker outputs.
From pre amp to sub by RCA cable is the way I'm doing it now. Everything seems to be working okay.Rather spend $$$$$$$$$$$$$$$$$ on Schnapps !!!
The exception is the REL subwoofer, which recommends the speaker connection over the line connection for their subwoofers. This was echoed by PS Audio for the same reason as to send the signal to the subwoofer with the same sonic signature as the main amplifier.I tried both methods with a non-REL subwoofer with standard speaker binding post inputs and couldn't discern a difference and wasn't all that surprised only dealing with a 20Hz-80Hz range.But if I had an REL subwoofer, I would probably try the comparison again, because ..... who knows? BTW, my system always sounds a little smoother and engaging when I pour a glass of my favorite libation. One of the few tweeks I use.
I'm with you on that. I learned the method from Ron Bauman of Mapleshade.charles
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