Re: Impedance Matching Volume Control

["C" <thespade13YOUneed2removethis@xxxxxxxx>]

Thanks a lot for your reply Robert!

I have modified my drawing.  It can now be seen here:
http://img382.imageshack.us/img382/1479/imvcv2rt3.jpg

I have followed your advice to have one pair of speakers per IMVC.  It also
means that I need 2 A/B Switch (one per IMVC in that room).

Scenario 1: all speakers set to AMP 1 (assume IMVC set at 8X)
AMP 1: 1/64 +1/64+1/64+1/64+1/64 = 5/64 ? 64/5  ? 12.8 Ohm
AMP 2: 0 ????

Sceanrio 2: room 3 on Amp 2, others on AMP 1
AMP 1: 1/64+1/64+1/64= 3/64 ?64/3 ? 21.3 Ohm
AMP 2: 1/64+1/64 = 1/32 ? 32 Ohm

Are my calculations correct?  Aren't 12.8, 21.3 and 32 Ohm too high for the
amp?  What about AMP 2 in scenario 1, doesn't it see a short?)