Cor, what a lovely pair...
For those who like to know...
Specifications for the BX5a include 56Hz-22kHz frequency response, 3kHz crossover frequency, greater than 100dB dynamic range (typical, A-weighted), input impedance of 20k ohms balanced (10k ohms unbalanced) and input sensitivity of 85 mV pink noise input producing 90dBA output SPL at 1 meter with volume control at maximum.
The BX5a is factory programmed for either 115V ~50/60Hz or 230V~50/60Hz. Protective features include RF interference, output current limiting, over temperature, turn-on/off transient, subsonic filter, and external mains fuse.
Dimensions are 9.85 in. (h) x 6.54 in. (w) x 7.88 in. (d); weight is 11lbs/unit.
The BX5a's are now available at $399.99/ Â£199 per pair