It may sound odd, but have you considered hauling your gear to the hi-fi store that owns the B&W and SF speakers?
Run it by the shop owner, and if he’s hip here’s what I suggest.
Take your equipment there a day before your audition, plug it in and leave it on over night.
Come back the following day with 2 extra large coffees, 1 for him 1 for you, a hand full of your favourate tunes and spend the day listening to your music.
Go home, sleep on it - then - make a decision.
Run it by the shop owner, and if he’s hip here’s what I suggest.
Take your equipment there a day before your audition, plug it in and leave it on over night.
Come back the following day with 2 extra large coffees, 1 for him 1 for you, a hand full of your favourate tunes and spend the day listening to your music.
Go home, sleep on it - then - make a decision.