Monitoring report
Strengths
The captured setup has a fundamentally workable front-stage geometry. The listening position and mains form a near-equilateral stereo triangle: the stereo angle is about 62°, which is very close to the normal 60° reference target. Both main tweeters are also at the same height as the listening position, so the direct mid/high image is starting from a sensible vertical geometry.
The room volume is also useful for a small critical-listening room: about 60.9 m³ with a 2.3 m ceiling. That gives more low-frequency working space than a very small box room. The L-shaped plan is more complex than a rectangle, but it also avoids the perfectly repeated axial pattern of a simple shoebox.
The main weakness is not the stereo angle; it is the interaction between this captured placement, the L-shaped modal field, untreated early reflections, and close boundary loading.
Filed monitoring problems
“Broad L/R cancellation around 82 Hz”
The summed left/right response has a major cancellation centred around roughly 82 Hz. The important clue is that the individual left and right speakers are not both equally missing that band, but together they cancel strongly at the listening position.
That means this is mainly an inter-source cancellation: the two mains are producing bass energy, but their phase relationship at the seat is close to opposing in that region. In plain terms, one speaker’s pressure rise arrives as the other speaker’s pressure fall, so the combined bass drops out.
Why it matters: this is in a musically important bass region — kick weight, bass guitar fundamentals, low toms, and the body of many electronic sounds. Because it is a cancellation at the listening position, simply turning the band up with EQ would not reliably solve it; the speakers are already producing energy, but the geometry makes it subtract at the seat...