Impedance or sensitivity?


In assessing if a speaker is easy to drive, do you consider more the impedance (in ohms) or sensitivity (in db)?
Like between a Harbeth with 6ohm, 86db vs a VA Mozart with 4ohm, 90db, which is easier to drive?
50jess

Showing 1 response by charles1dad

I agree with Clio09 as a moderate to high impedance level 'with' a smmoth/relatively flat curve is very favorable to low power tubes.Sensitivity determines ultimate sound pressure levels but in terms of ease of driving a speaker its impedance.

My speaker has a 14 ohm load(10 watt minimum) and my 8 watt 300b amp just seems effortless driving them with any genre of music. Clio09`s experience with the Fritz speaker makes sense to me.