The sensitivity of Paradigm monitor 7 v3 is 90dB (anechoic) and the Kef K160 is 89dB (anechoic), I don’t know where MC get the 94dB sensitivity from???
BTW, 20watt output on a 89dB sensitivity speaker will produce 92.3dB SPL from 10 feet away.
Paradigm monitor 7 v3 Specifications:
3-driver, 2-1/2 way bass reflex, quasi-3rd-order resistive port, floorstanding / tower
Crossover: 3rd-order electro-acoustic at 2.0kHz, 2nd-order electro-acoustic at 400 Hz (lower bass driver)
Frequency Response On-Axis: ±2dB from 47 Hz - 20 kHz
Frequency Response 30° Off-Axis: ±2dB from 47 Hz - 18 kHz
High Frequency Driver: 25-mm (1 in) PTD™ dome
Mid/Bass Frequency Driver: 165-mm (6-1/2 in) ICP™ cone, die-cast chassis
Low Frequency Driver: 165-mm (6-1/2 in)carbon-infused cone, die-cast chassis
Low Frequency Extension: 33 Hz (DIN)
Sensitivity Room / Anechoic: 93 dB / 90 dB
Impedance: Compatible with 8 ohms
Suitable Amplifier Power Range: 15 - 180 watts
Maximum Input Power: 130 watts
Weight: 76 lbs. (34.5 kg)
Dimensions HxWxD: 40" × 7.625" × 15.375" (101.6cm × 19.4cm × 39.1cm)