Recommended one make systems?

revox, cyrus, arcam, linn

It is possible to do everything from one manufacturer e.g. McIntosh (except for the turntable, cartridge, tonarm) but you will sacrifice quality in certain elements. e.g. Mac's amps and preamps are excellent, but IMO, you could do better with a CD player and speakers from other manufacturers, etc.

That said, for starters, I've found that grouping certain system elements, according to excellence in a particular area, can yield a successful synergy. Using my own system just as an example, Wadia for digital, Levinson for amp+preamp, MartinLogan for speaker/subwoofer, Purist for cabling, etc.

On the other hand, I recently replaced my (very excellent) Levinson amp with a Mac tube amp, just because I prefer tubes for driving electrostats. Yet I don't intend to replace my Levinson preamp with a Mac preamp (any time soon;--) just to maintain uniformity of brand in the preamp+amp group.

However, grouping things this way can be a good starting place, and is possible even within a modest budget.
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I have a one brand system and I am neither simple nor lazy. Neither do I think the question is odd. It is the question of a person who is interested in music more than in components. This is a dichotomy which is well established among the Audiogon members. I see no superiority in either position. It's all a personal decision as to what aspect of the hobby a person finds most interesting and satisfying.

When I think of one brand systems, the names that immediately come to my mind are Arcam, Linn, Meridian and Naim. There are of course many others as the posts above identify. You have many avenues that you can investigate as budget and availability permits.

I don't think your question is odd at all. System synergy should be strong when you match electronics and sources by the same audio house. If you like a manufacturers "house" sound, then it should make a very good start on a satisfying system. I would never even hint that someone might be lazy in this hobby. At this level, no matter what you do, putting together a pleasing system for the love of music is seldom ever easy, unless you're one of the few that goes into the hobby without caring about the quality of the end product, the sound. And who does that? Audiophiles care about the sound, oftentimes too much. That's what gets us into trouble and into spending thousands of dollars on something that others would think is needlessly wasting money. Synergy is elusive and I feel it's a great idea to try and match the source with the electronics of the same manufacturer. Heck, if you could find reasonably priced audiophile component systems that had speakers, electronics and sources from the same audio house, and all were individually good and collectively very good, to me, that would be ideal. The main problem you run into is the speakers. The companies that make quality electronics and sources seem to rarely make loudspeakers that are up to the standard of their other gear. At least, that's my impression. I'm sure there are exceptions to this, but I'm new in the hobby (4 years) and I may be uninformed. Plus, you're probably talking about mega-dollar high end audio. Are you familiar with Cary? I've heard and read very good things about them and their "house" sound. From what I've heard and read, they are known for smoothness and being involving. I don't know anything about Cary speakers but the ones on sale look like a possibility. If the Cary speakers suggested by Jax2 are actually good, and they might be, you could go, Cary SLI-80 integrated, a Cary cdp (303/300) and those Cary speakers. This would not be an unreasonably expensive system, although I don't know your budget. The price sure seems good for those speakers. That could make for a nice setup all from one company.

Audio Note, you can begin with their basic system and upgrade to your hearts, if not your wallets, content(s).