150 watts into 8 ohms takes 35V
volts = square root (watts x ohms)
sensitivity = Vout/Vin
sensitivity = 35v/1v = 35
gain dB = 20 log (Vout/Vin)
gain dB = 20 log (35/1) = 30dB
volts = square root (watts x ohms)
sensitivity = Vout/Vin
sensitivity = 35v/1v = 35
gain dB = 20 log (Vout/Vin)
gain dB = 20 log (35/1) = 30dB