I just made a static measurement of the satellites, which are a hi and
mid range setup. The Klipsch spec sheet show the sats as 4 ohm and the
woofer at 6 ohms. There is no pre-amp in either satellite, but there is
a crossover in them with a resistor, capacitor, and inductor. I didn't
open up the sats but apparently though they look identical on the
outside the electronics on the inside have changed substantially. There
is a control box in the master satellite that has volume controls for
the satellites and sub. That very well could be a pre-amp of sorts (they
too often fry due to cheap caps. The sub design has changed too - the
new model apparently has a chip amp inside to get around the overheating
that has wiped out so many amps and driven folks mad. 

I can't explain the results with the Sony AVR. Boy it didn't like trying
to drive this system. Just to check I hooked the amp into a system in
another room and it worked fine, so the amp is solid - but hook it to
the Klipsch speakers directly and it just sounds awful. Then again, this
might be due to the weak signal from the SB. I've long read that the SB
classic isn't big on output. The original SB manual said it was okay to
plug it directly in to a powered speaker setup. I did zero research when
I hooked it up to the Klipsch Promedia setup years ago and simply lucked
out in finding a good match. 

When I say "low" I mean below what I would consider a moderate listening
level - and that with volume set to max which is not something any
system should be running.

The Lepai has a 2.1 to .1 switch. When I disconnect the sats and drive
just the sub it appears clean with very little energy. I have a 12"
Klipsch sub in another system and will connect the SB - Lepai - Klipsch
sub and see what I get.

As you said, my mistake might be not taking into account that the
Klipsch Promedia design does have an in-line pre-amp and by not keeping
this in the system I'm dealing with too weak a signal from the SB alone.
If so, that problem would be solved simply by adding a DAC with volume
control.


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