Test of the new B&C speakers 21DS115 in custom enclosure.
Box: 170l @ 31 Hz bassreflex.
Track: Basstronic - Curtain shaker.
Driven to Xmax, few seconds at the end rather to Xvar (16,5mm).
Still behaved very cultivated to the ear.
Was manageable to drive it at 10-14Hz from the track. At 30Hz, it would ruin ceiling of that room...
