Wiring setup options for LSi25s...

KellyMic

I have my equipment and just waiting for my speaker delivery. I am getting everything setup so I will hopefully only need to plug-up the speakers when they arrive.

My setup: Onkyo receiver feeds a pre-amp to the amp at 200W per channel. On a side note the receiver is likely to be replaced by a Shiit DAC as this is my office setup and only powered by a PC and they have been getting rave reviews.

My question is how to wire it. I would think its best to remove the jumpers and have the amp wired to the top posts and use my receiver Sub Out into the LSi25 Sub In, then on that speaker Sub Out run a cable to the other speaker's Sub In.

The manual states just wiring straight to the speaker "is recommended for most systems". Not sure how they define the term "most systems".

Thank you,
Kelly

zeppage2

Try it both ways.
I find running speaker cables from my (McIntosh MX112) Outlaw M2200s and leaving the jumpers in place gives me the best sound.

KellyMic

I wasn't sure if it is safe to send that much power to the internali sub amp.

mantis

Just 2 channel correct? Do not remove the jumpers and run line level to the subs. This wiring is best when your doing LFE in a theater setup as the LFE is a separate track. Speaker level is best with the Lsi25's in stereo only mode. Reason , Your getting the dynamic cues from the amp and not the preamp. The amp has a dynamic range and you want to track that with the powered subs. The internal Sub amps can track most amps easily over speaker wire. This is an advantage of the lsi25's .
I suggest using high quality 2 conductor speaker wire or if you wish you can use bi wires and remove the jumpers. This just gives 2 clean paths for the signal to travel and most will agree most speakers sound better with speaker wire instead of the brass plated gold jumpers.
If this is a Onkyo AV receiver , turn all speakers off including the sub outs and just run large main channel speakers. using a DAC and skiping a pre is a very good way of getting a pure sound.

txcoastal1

Try using your sub out from Onkyo, get a Y-cable...http://www.audioadvisor.com/prodinfo.asp?number=AQFLX-XMF
and split the signal to each LSi25 LFE inputs (sub woofer amp)

remove jumpers for your speakers

On the onkyo settings, set speakers to small and crossover settings 60-80...probably 80 would be best

you will need 2 mono subwoofer cables (1 for each speaker)

txcoastal1

Scratch above Mantis is right using 2 channel....sorry (HT setup above)

KellyMic

Yes, just two channel for music, I didn't directly state that. A receiver to me is something I don't think I have a need for anymore as I haven't listened to FM/AM in years and my CDs I've mostly digitized so they just sit on a shelf. I will still need a phono input though when I go to a DAC. I have digitized my favorite vinyls for on the go but listen to vinyl when when a TT is near.

Any difference to wire to the posts or use banana plugs?

Btw, thanks for the feedback so far.

mantis

KellyMic wrote: »

Yes, just two channel for music, I didn't directly state that. A receiver to me is something I don't think I have a need for anymore as I haven't listened to FM/AM in years and my CDs I've mostly digitized so they just sit on a shelf. I will still need a phono input though when I go to a DAC. I have digitized my favorite vinyls for on the go but listen to vinyl when when a TT is near.

Any difference to wire to the posts or use banana plugs?

Btw, thanks for the feedback so far.

Use Banana plugs , they are the easiest way to connect amps and speakers. Great connection with excellent contact surface. There is no sound quality difference I have ever heard between Spades and Bananas. Spades suck as they come loose over time. Banana's do not unless you buy cheap low quality. Bare wire I never use de to corrosion over time. With an end on the wire and shrink wrap tubing , your less likely to get corrosion.