Low-frequency performance drives roughly 30 percent of sound quality ratings

Evidence

That does not mean that there are no effects. Room resonances are there, modifying the timbre of the loudspeakers, causing listeners in different locations to hear different bass sounds, and causing loudspeakers in different locations to deliver different bass sounds to each listener, wherever they are seated. As has been mentioned, low-frequency performance accounts for roughly 30% of overall sound quality ratings, so it is necessary to pay attention to it. — Toole, Floyd E, Sound reproduction- the acoustics and…, 1099

Categorization

• QUESTION: The 30% figure is a specific weighting worth chasing in earlier chapters for how it was derived from listening tests.