Mono Blocks / why are they not more prevalent? + Wyrded4Sound SX1000R

I had Tube MonoBlocks, loved them.

As you age, monoblocks are lighter than one big amp. 

cost's more, .... more ....

you need a balance control, I like my Chase RLC-1 Remote Line Controller with remote: volume, mute, balance, other features.

If your sources are line level, using it, you don't need a preamp.

I prefer a Vintage Full Featured Tube Preamp, out to the Chase for remote control, then to the amp(s)

While it’s generally true that monoblock amps performance is superior to stereo amps and integrated amps, monoblocks usually cost significantly more in extra casework and cabling.

They tend to cost more, take up more cabinet space, and more outlets, but there are benefits.    Any stereo amp circuit that sounds good in one box, should be at least as good separated into two boxes...theoretically better.  What differences we actually hear are a variable that depends on the room, system, and listen

I’ve actually gone back and forth on this a little. I’ve owned pairs of stereo amps convertible to mono. Also I’ve owned some "pure" monoblocks. First of all, creating a mono side out of a stereo amp by "bridging" (as switchable SS amps often do it) is generally deleterious to sound quality, and runs the amps much harder / hotter (that’s why SS amps yield up to 4x as much power per side when bridged). But even on the amps that don’t achieve mono by bridging (e.g. tube amps parallelizing on OPT’s) - certainly the mono configuration sounds more "perfect": better dynamics, slam, clarity. Overall just more pristine. But when you don’t need the extra power, sometimes I wonder whether the Stereo configuration is somehow more musically coherent for a good music session, and if I might actually prefer that.

It’s hard to beat a really good, musical, and "powerful enough" stereo amp - and I appreciate the simpler configuration. 

Why do you need a separate outlet? 

Can not use a power strip?