"The Wharf's new Black Box system sounded incredibly good, and very impressive. When I listened to an acoustic concert, it sounded like a 12000 watt studio monitor on stage"

Chris Mellors,FOH engineer Robert Palmer, Thin Lizzy & others.

"After attending the Steve Hackett gig at The Wharf last night, the sound was excellent and probably the best I have ever witnessed at a live music event"

G.Mitchell Recording Engineer

Black Box II comes with flying catches, castor lids for front grill protection, and transit covers

  • Half sized lightweight touring enclosures
  • Birch marine ply 15 & 30mm construction
  • 72mm polyester sandwich diaphragm Hi mid
  • Massive 180mm magnets on Lo & Hi Mid drivers
  • Phase & directivity corrector throat on HF horn
  • V-Baffle bass with 10 cu ft ported back chamber
  • Steel grills with 85% free air flow
  • Phase coherent design requiring no time delays
  • Linear response requiring no equalisation
  • 'Studio' flat response from 35Hz - 18 kHz
  • Phase & directivity corrector throat on HF horn
  • Hand built in England by British craftsmen


Model 4 x 15" BB2LF4 BB2 LF 2 x 15" BB2 LF 2 x 18" Low mid/HF BB2 HF
Frequency response + 3dB 35Hz - 150Hz 35Hz - 150Hz 25Hz - 110Hz 150Hz - 16 kHz
Nominal Impedance 4 + 4 Ohms 4 Ohms 4 Ohms 8 + 8 Ohms
Power Handling 3000w rms 1500w rms 6000w AES 300+100w rms
Averaged Sensitivity 100 dB 1 w 1 m 100dB 1w 1 m 102 dB 1w 1m 106 dB 1w 1m
Dispersion - - - 80° H x 60° V *
Size w x d x h 1m x 1m x 1m 1m x 1m x 500mm 1m x 1200mm x 600mm 1m x 600mm x 400mm
Weight Ferrite magnets 156kg 78kg 89kg 54kg
Weight neodymium magnets N/A 72kg NA 50kg
* The horizontal dispersion increases as high bins are stacked, to around 120 ° max

In the process of continual product evolution, Court Acoustics reserve the right to alter specifications without prior notice