please suggest if there is any substantial difference between these two specs for a center channel :
Yamaha center channel Specification:
Type Full-range acoustic suspension
Driver 7cm (2-3/4) full-range cone
Nominal Input Power 30 W
Maximum Input Power 100 W
Sensitivity 84 dB/2.83 V/1 m
Dimensions (W x H x D) 291 x 101 x 103 mm; 11-1/2 x 4 x 4
Weight 0.68 kg; 1.5 lbs.
Andrew Jones SP-C22:
Enclosure.........................................Bass-reflex Center Channel
Configuration......................................................................2-way
Frequency Range....................................................55 Hz-20 kHz
Nominal Impedance.......................................................6 Ohms
Sensitivity (2.83 V)...............................................................88 dB
Maximum Input Power.........................................................90 W
Cross-Over Frequency.........................................................3 kHz
Magnetically Shielded............................................................Yes
Dimensions (W x H x D) ...................18-1/8 x 7-1/8 x 8-7/16
Weight (each)..............................................................13 lbs 7 oz
Woofer................................................................................4 (x2)
Tweeter......................................................................................1
UPC........................................................................012562906126
Yamaha center channel Specification:
Type Full-range acoustic suspension
Driver 7cm (2-3/4) full-range cone
Nominal Input Power 30 W
Maximum Input Power 100 W
Sensitivity 84 dB/2.83 V/1 m
Dimensions (W x H x D) 291 x 101 x 103 mm; 11-1/2 x 4 x 4
Weight 0.68 kg; 1.5 lbs.
Andrew Jones SP-C22:
Enclosure.........................................Bass-reflex Center Channel
Configuration......................................................................2-way
Frequency Range....................................................55 Hz-20 kHz
Nominal Impedance.......................................................6 Ohms
Sensitivity (2.83 V)...............................................................88 dB
Maximum Input Power.........................................................90 W
Cross-Over Frequency.........................................................3 kHz
Magnetically Shielded............................................................Yes
Dimensions (W x H x D) ...................18-1/8 x 7-1/8 x 8-7/16
Weight (each)..............................................................13 lbs 7 oz
Woofer................................................................................4 (x2)
Tweeter......................................................................................1
UPC........................................................................012562906126