2. amps-preamps
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ARC LS 25 Mk 11 Bypass

I'd like to get better "2 channel" performance out of my HT system (Bel Canto Evo 6 amp and PrePro processor, Theta CD transport). When I was at my local stereo store the salesperson recommended that I simply purchase the LS 25 Mk II. He told me that it has a "bypass" feature that will allow me to use the LS for 2 channel music and the PrePro for HT and multichannel applications...without having to move cords everytime I want to move between music and HT. I've tried to find literature on line that would explain how the wiring would work, but I've been unsuccessful. Has anyone out there done this with the LS 25 or some other preamp? If so, did you find the 2 channel sound to be substantially better than simply running it through the processor?
Thanks everyone.
riccap
oneobgyn
410 posts
 
"The most improtant factor sonically here would be the quality of interconnects that is used between HT pre/pro to LS-25 and a pair from LS-25 to amp. Use good cables and you will sacrifice nothing."

as much as I am a cable tweak, I again respectfully disagree
statman's avatar
statman
285 posts
 
The Ref 3 and the LS25 MKII do the same function. They provide a "pass thru" for the signal from your HT processor. I've been running mine for over two years without a problem. That's the whole reason for having the bypass circuit is to allow the HT processor signal to run straight thru to the 2 channel preamp without being altered by the preamp?
oneobgyn
410 posts
 
"The Ref 3 and the LS25 MKII do the same function. They provide a "pass thru" for the signal from your HT processor. I've been running mine for over two years without a problem. That's the whole reason for having the bypass circuit is to allow the HT processor signal to run straight thru to the 2 channel preamp without being altered by the preamp?"

precisely my point and even though I am a cable zealot the previous comment of needing good cables so that nothing is sacrificed is also nonsense
audphile1's avatar
audphile1
4,912 posts
 
Oneobgyn, I wasn't complete in my post above in regards to cables and it was easily taken out of context(which you successfully accomplished by the way).
I meant that HT pre/pro into the amp directly with a given pair of ICs should sound as good through LS-25 processor loop should the same ICs be used in and out of the LS-25. That is what I meant to say and is why I mentioned good cables. Not because I belevie good cables will fix a bad component. If it's nonsense to you, it's your right to take it for what it is.
Happy New Year!
oneobgyn
410 posts
 
Sorry to have been so judgemental but I understand your point once expounded upon.

Likewise to you...Happy New year
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