Anyone know the impedance of the internal speaker ? I see a lot of discussion about adding an external speaker but to understand the amount of power being used by a series external speaker I need to know the impedance of the internal speaker.
The manual just gives the allowable spec of the external speaker as max 8ohm and min 100w.... and describes the internal speaker as 12" with coaxial tweeter !
If I put a 4ohm external speaker in series it would be nice to know what ratio of the available 100w is being dissipated through it.
