Long and painfully chose between R2750DB and R2800.
I also considered a triphonic, but only the whistling 350 model remained on sale.
Over 2800
- 8 inches of bass, huge coffins, mids on a rigid suspension, all sorts of subjectivity like a wide stage, etc.
Against (not personally verified, only from reviews):
Booming bass, a power supply that gives (can give?) hiss in idle, excess power for a small room, which will result in a hum from low frequencies, no output to the subwoofer (which was scarSee full review