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SR2 Owners Manual Rev 0.2
6
need to attach to the positive terminals of the power-amplifier. The
negative speaker terminals on both pairs of speakers need to
attach to the negative terminals of the amplifier. Maintaining proper
signal polarity is critical with all bi-wired speakers. Failure to
maintain consistent polarity between the speakers and amplifier will
be cause all manner of ills from collapsed and diffuse soundstage
to greatly marginalized frequency response. If bi-amping with a
combination of inverting and non inverting power amplifiers then
take care to wire speakers in correct acoustic rather than correct
electrical polarity. (NOTE: Pass Laboratories amplifiers historically
are all non-inverting designs.)
Position and adjustment
It is difficult to provide absolute instructions for speaker placement;
but we can give suggestion as to good starting points. Optimal
results with the SR-2 as with most speakers are frequently
achieved with subtle changes of physical location.
Rule of the first however is that the room in which you listen is
perhaps the most significant of all audio components in the
reproduction chain. Speakers can be made to work satisfactorily in
poor sounding rooms, but it is much easier to achieve success in
an acoustically correct room.
The ideal room is neither overly reflective nor overly absorptive. In
a good sounding room, the absorptive elements tend to be at
reflection points of the sidewalls, floor, ceiling and space behind the
speaker. High ceilings or at least absorptive ceilings lend
themselves to more natural sounding spaces. Reflective floors,
while not ideal are less disruptive typically than highly reflective
ceilings.