In article 0ayUd.15751$_G.2216@clgrps12, Ted Edwards says...

I still think you should go for line level to the shop and an amp there.
One thing you haven't considered is the variation in speaker impedance
with frequency and the damping factor of speaker, enclosure and room.
That's why serious designers want there amps to have very low dynamic
output impedance. Ideally you would like your speakers looking back
into a dead short. The two amps I mentioned in this thread had output
impeadances of the order of a few milliohms. From Evcerwal's post
6ga = 0.05 ohms. This is a full order of magnitude above what I would
like.

Sounds to me like you really want to just put the final drivers
right *at* the voice coil inputs to the speakers. Anything
else and the impedance is going to go up.

Honestly it would mean just two inputs to each speaker, power
and the line source.

Jim


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