Subwoofer Connection Question
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OK, so, I have this 2 channel system with a Sonic Frontiers SLF 1 preamp which has 2 pair of output RCA jacks. I use one pair output to the Conrad Johnson tube amp. The preamp does not have a sub out - low level output. The EP 600 sub has 4 high level inputs, which take banana plugs.
I have to run about 20' from the preamp to the sub.
I figure I can get some long interconnects (RCA) from the preamp, each one split into 2 bananas, or some long speaker wires from the sub, into a single RCA which I can plug into the preamp.
Any thoughts as to whether it is better to have a long run of interconnects or speaker wire?
Is there such a thing as an RCA/Banana splitter?
Thanks. 2x6
Last edited by 2x6spds; 08/22/17 04:31 AM.
Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.
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Re: Subwoofer Connection Question
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Re: Subwoofer Connection Question
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Joined: Aug 2004
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axiomite
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axiomite
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AFAIK the high level inputs on the EP600 are meant for use with speaker outputs from power amp, not line level from pre-amp. There should be some line-level aka low-level (RCA) inputs on the EP600 as well IIRC. Depending on the vintage there *might* be XLR instead of RCA - if so then I think you would want an RCA to XLR connection. RCA to banana feels like one of those "if you think you need one of these then step back a minute" things
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39 M5HP, M40ti, Sierra-1 LFR1100 active, ADA1500-4 and -8
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Re: Subwoofer Connection Question
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Joined: Mar 2002
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That made me laugh! Yes sir, step back and give that one another thought indeed!
RCA to XLR sounds much better! Thank you Bridgman!
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Re: Subwoofer Connection Question
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Joined: Aug 2004
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axiomite
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axiomite
Joined: Aug 2004
Posts: 6,379 Likes: 7 |
This is embarrassing - it just occurred to me that I -do- need a couple of RCA to banana cables.
I have had an old cheapo integrated amp sitting around for about 40 years (since I worked part-time in the camera/audio department at Woolco) which actually sounded pretty good, but I haven't gotten around to hooking it up because it has RCA jacks on the back for the speaker outputs.
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39 M5HP, M40ti, Sierra-1 LFR1100 active, ADA1500-4 and -8
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Re: Subwoofer Connection Question
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Joined: Mar 2002
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Phono RCA Phono Jack To Speaker Banana Terminal...
Item ID: 121428701083 Quantity: 2 Estimated delivery: Sat. Aug. 26 Paid: $34.28 with PayPal
Unable to post picture because Photobucket has gone so strange.
Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.
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Re: Subwoofer Connection Question
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Joined: Aug 2004
Posts: 6,379 Likes: 7
axiomite
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axiomite
Joined: Aug 2004
Posts: 6,379 Likes: 7 |
I was flipping through manuals etc.. for various EP600 vintages and AFAICS all of them have an RCA input as well as the XLR input. Maybe you have one of the very early ones ? That said, one thing I missed was that all of the EP600 versions seem to only have a single mono line-level input (ie not left and right) while your pre-amp has separate left and right outputs. In principle all you need is a dual-RCA to single-RCA stereo-to-mono summing cable with mixing resistors between the pre-amp outputs and the subwoofer input, but AFAICS nobody seems to actually make such a thing. Closest I could find was this. Using a splitter cable to merge left & right is considered a Bad Thing here, because it connects the pre-amp outs from left and right together without mixing resistors. Found multiple reports of people killing their electronics that way.EDIT - Awesome, thanks for the tip about RCA to banana. I put that string into Google search and came up with a bunch of hits from Amazon and others. MORE EDIT - found a good page talking about the details of what you need, including a note about the impact of the summing resistors on channel separation IF the two sets of pre-amp outputs are just wired together internally rather than being driven separately. http://www.rane.com/note109.html LAST EDIT - there is still an easy solution, which is to run speaker wire from power amp outputs to subwoofer high level inputs... as if the subwoofer was a pair of speakers that you were hooking up in parallel with your "real" speakers. You could probably have banana jacks on both ends But that would take all the fun out of it.
Last edited by bridgman; 08/23/17 01:59 AM.
M60ti, VP180, QS8, M2ti, EP500, PC-Plus 20-39 M5HP, M40ti, Sierra-1 LFR1100 active, ADA1500-4 and -8
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Re: Subwoofer Connection Question
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PM your address, and I'll mail them to you. I don't need them. My purchase was the product of bad thinking. I'll be very glad if you could put them to good use.
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