I have a pair of bang rcupr olusen S45 in paper, it has been 5 years since I used
They are bright, clear sound with nice stamp
they are good mid-range speakers I'd built in the 80 in Denmark
I give them CHARACTERISTICS

RMS power handling capacity 45 watts
Music power handling capacity 65 watts

Impedance
8 ohms
4 -4 dB Frequency response 48 to 20.000 Hz
Frequency response 4 -8 dB 60 - 20,000 Hz
Power at 96 dB SPL 4 watts
Sensitivity 1 W 90 dB
Distortion 250 - 1000 Hz <2.5%
Distortion 1000 - 2000 Hz <1.5%
Distortion> 1000 Hz <1%

Woofer
8 1 / 4 "- 21 cm
1 "tweeter - 2.5 cm

Net volume
16.6 liters
Gross volume 29.5 liters
Dimensions W x H x D 26.5 x 52.5 x 20 cm
Weight 6.5 kg
If you love the stuff so vieu Do not hesitate