Image Dynamics USA ID V4 Series Owner's Manual page 6

TIPS TO GET THE MOST OUT OF YOUR
IMAGE DYNAMICS SUBWOOFERS
Your Image Dynamics subwoofer has been meticulously engineered and designed to
handle high power musical reproduction. Despite their rugged construction, it is possible
to damage your speaker if they are improperly used. In general, you will hear distortion
as a so-called warning before any damage occurs. If you hear distortion in your system,
immediately reduce the musical level to the point where the sound retains its clarity.
1. All Image Dynamics subwoofers require an initial break-in period before
it will reach optimum performance. Like any new precision machinery, allow a
minimum of several days to one week with normal daily usage to ensure that
the suspension has properly been broken-in.
2. Be sure you supply the speakers with enough unclipped amplifier power to
drive them properly. (More damage can be done to a speaker by
under-powering and clipping your amplifier than any other way!)
3. Where possible, run your Speakers in mono instead of stereo. Most bass is
reproduced in mono so there is less chance of any cancellation if played
in mono.
4. Where possible, wire your Speakers in parallel instead of series. Bass is
reproduced either way but again there is less chance of cancellation in parallel.
NOTE: Be sure the amplifier you are using is stable to the resulting impedance
of the speaker load!
5. Where possible, a separate amplifier just for your subwoofers should be
used with an electronic crossover to set the frequency range. One amplifier
with passive crossovers will work (Tri-Way Setup), but the system will do more
with less stress on the amplifier by using two amps.
6. Do not block the front of your speakers. You want as much direct air coupling
as possible.
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