Celestion 5

Specs
2-way configuration,
closed box,
paper (felted-fiber) cone bass Celestion --- 150mm, rubber surround,

titanium dome tweeter Celestion --- 25mm,

low-mass composite polycarbonate basket,

60-90W@8Ω,
**-20000Hz ±- dB,
sens. 88 dB,
mm 206x350x250, kg 4,7.

Focal Electra 907 Be (25th Anniversary - Limited Edition)

Specs
2-way configuration,
bass reflex via front-firing port,
W cone bass Focal 6W4357 165mm, rubber surround, 32mm voice coil,
pure beryllium inverted dome tweeter TCE Be 25mm,

Focus Time System,

Optimum Phase Crossover,

90W@8Ω,
50-37000Hz ±3 dB,
sens. 89 dB,
mm 231x420x348, kg 12,0.

Polk Audio SDA 2B (Real Wood)

Specs

3-way configuration,

closed box (passive radiator),

bass radiator Polk Audio SW121 300mm, rubber surround,

polymer cone midwoofer Polk Audio MW 6503 165mm, SDA dimensional driver, rubber surround,

polymer cone midwoofer Polk Audio MW 6511 165mm, stereo driver, rubber surround,

dome tweeter Polk Audio SL 2000 25mm, silver coil,

Stereo Dimensional Array,

30-350W@6Ω,

16-20000Hz ±? dB,

38-20000Hz -3 dB,

sens. 90 dB,

mm 420x1005x290, kg 36,3.