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Yes the Pass Labs amp IMO didn't measure to stellar but it sounds awesome. One day I need to sit down and do more multi-tone testing to see if the lower feedback approach really does have merit to the types of distortion we prefer. My brother bought over a few guitar amps that all measured...

A few vocal so called "objectivists" forum regulars on this site do NOT reflect the opinion of the masses and certainly NOT the opinions of the site operatives, especially myself. You will NEVER hear state "all amps sound the same if not driven into distortion" crap. I've listened to too many...

I agree with most of what you've read. The cool thing about doing a balanced power amplifier stage is that you essentially double your rail voltage as you can read in my XPR-1 review: Emotiva XPR-1 Mono Amplifier Review | Audioholics If I were building my own high performance audio amplifier...

With proper placement and setup, the speakers will disappear in a small room. Throw in a nice musical sub and you've got sonic nirvana!

Probably not but the P 5 will not be below measurability of the AP test rig.

There will ALWAYS be a measurable difference between single ended and differential designs, especially for low line level signaling. This assumes the test gear you measure with is good enough to measure the difference. BTW, the Audio Precision APX-585 and all of their test gear uses fully...

Of course, its a mathematical certainty at all frequencies. See figure 4 of my measurements of the XPA-2 amplifier comparing single ended vs bridged mode: Emotiva XPA-2 Measurements and Analysis | Audioholics Differential amplifiers are absolutely necessary for small signal amplification...

Comparing two identical circuits, one being single ended, one being fully differential, it's very easy to measure a difference in noise and distortion. It's a very trivial matter actually. Audibility is another story however. I recommend reading this article I wrote many years ago...

Usually they use a differential input op-amp and then convert to single ended. Depending on grounding scheme, its possible to get some noise immunity benefits but not lower distortion.

As a telcom engineer for 7 years prior to doing this website full time, I can tell you all things being equal, fully differential designs are ALWAYS superior to single ended. It's not just for noise immunity but for reduction of distortion too. When I designed analog front ends of modems, we...

There are plenty of other audio forums for you to participate if you don't like it here. In fact, in your case, I encourage it.

This is the case with many preamps. You have to look very carefully if the design employs fully complimentary circuitry throughout the entire design. Most don't unless your dealing with upper echelon gear.

As mentioned in the article, the P 5 preamp is a single ended design with balanced connectors. It's not a fully differential design topology.

you missed the point of the article. Many people can't have surround speakers, let alone a full blown 5.1 system in their homes. This is why Soundbars are so popular now. This article offers better sounding alternatives to Soundbars while keeping the form factor acceptable.

Its fixed now try again.

That's a huge measurement difference. Ours is an industry standard controlled practice for accurately measuring subwoofers. In addition, we use CEA2010 test patterns for distortion and max output. I will see if I can line up a review of the M&K with Josh.

The 61-SE/R's are classics. They use the Scan Speak 9500 which is arguably one of the finest dome tweeters ever built due to its incredible off-axis response, high power handling, low Fs and low distortion. The mid driver is still their current aluminum phase plug mid used on many of their...

I've never been able to replicate their measurements even when doing summed near field or gated. My measurements closely resemble what Brent Butterworth of Sound and Vision gets, particularly for M3s and M60's however.

Just for clarity that is not a measurement done by Audioholics. Our reviewer pulled that from the Axiom website.

No the T1 satellites should be crossed over at 80Hz 2nd order HPF. The T1 bass modules should be crossed over above 80Hz, likely 120Hz or 150Hz with a 4th order LPF. Single band EQ is all that is needed to flatten out the extra low end extension if they are placed too closely to a corner and/or...