CAMBRIDGE AUDIO AERO 2

摘要

Cambridge Audio claims 90dB sensitivity for the Aero 2, a specification that bears little relation to our measured pink noise figure of 85.9dB, which is much more in line with expectations for a standmount of this size. The 8ohm nominal impedance is unreliable too given that our measured minimum modulus of 3.4ohm indicates a 4ohm rating is more appropriate. Because impedance phase angles are quite large at low frequencies, the EPDR (equivalent peak dissipation resistance) falls to 1.6ohm at 98Hz and 1.9ohm at 171 Hz. making the Aero 2 a moderately challenging amplifier load overall - particularly for budget amplifiers - although at higher frequencies the BMR driver is substantially resistive.