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pedance is less than 8 ohms, the SE-240 can deliver more
power into the lower impedance.
Sound reproduction accuracy is largely a measure of your
success in satisfying an illusion of the original. There are
few rules for speaker placement. The shape, furnishing
and acoustics of the room contribute as much as speaker
choice to the overall balance which you will find most
satisfying. In general, the two speakers are best placed
equally distant from the listener and from each other, either
along or just in front of a wall. It is best to have no
obstructions between the speaker and the listener. Some-
times raising the speakers is beneficial. Sound absorbing
materials, such as carpeting, draperies and upholstered
furniture help to reduce reflections, and thus improve the
sound illusion, but excessive absorption will deaden the
effect. Feel free to experiment with controls and furnishing
to achieve the overall balance which you like.
OPERATION
The
pilot lamp in the power switch will glow whenever
power is applied in the SE-240. If it does not light, check
for a blown AC line fuse.
The SE-240 is equipped with a unique protection system
that constantly monitors the temperature of the output
devices and takes corrective action to prevent damage to
the amplifier as a result of excessive overheating. Under
most conditions, the SE-2403 heatsinks will dissipate the
heat required to maintain safe operating temperatures, and
the unit will play continuously. If the amplifier is driven at
high volumes into speakers with an impedance of less than
8 ohms, and/or there is inadequate ventilation, the
heat-
sinks could heat to a level that would cause the protection
circuitry to shut the unit off for a short time (normally less
than 1 minute) to prevent damage. The SE-240 will return
to normal operation, and if the overheating condition is still
present the cycle will repeat. In this case, check the
surroundings of the unit to ensure sufficient air flow around
the heatsinks and through the vent holes. Otherwise,
check the load impedance connected to the outputs to see
if it is far below 8 ohms.
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