So did my first, short listening session. Setup in my studio room with a LOT of absorption (also my measurement room). Both connected with analog input, EQ to linear.
What should I say - I didn't expect that much difference! The KH120ii is in nearly every regard a step up.
Especially the phantom center is extremely good and stereo image is very wide. Midrange is instant more natural. Low frequencies are deeper and better balanced. It plays even better as "one unit" (and the original was not bad at all in this regard). Pretty cool package - this will be the new reference at that price point.
I only dislike 2 things.
*) The switches! They are mushy without clear clicks and positions. As you fiddle around during setup behind the speakers without looking at it ... it's a pain.
*) Highest Frequencies are a little more "relaxed" with the KH120. Maybe cause of the extra A/D D/A conversion (know this from my Hypex modules, sound a little better on digital in), maybe cause the tweeter is brand new out of the box. Will need more tests for this. But the rest of the benefits are way stronger, no question what to prefer.
The housing is leightweigt and the surface feels like easiely scratched. But there are no obvious resonances an no - metal is NOT a great material for speaker enclosures! It takes some effort to keep it resonant free - that's probably the reason they decided to change that.
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Looking forward if somebody has the chance to compare to a KH150! I can imagine these match pretty well from what you read in tests.
Next step testing the digital input and then do the measurement routine ...