It’s a v1 or v2. I think my father purchased it around 1999/2000. If you aren’t directly in front of the speaker the sound tapers off pretty significantly. I’m assuming that’s what you meant by off axis.

LFR1100
VP180HP
EP600
M3 In Ceiling x 4
M5OW
M2 - Atmos rears
ADA1500.5
M3 Outdoor Speakers
ADA 1000.8