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The amplifiers in the TriFlex
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If the sound seems heavily compressed, check this indicator; if it is blinking RED more than occasionally, then
the drive level from the mixer (or the Level control/s {5,6} on the TriFlex II) needs to be reduced.
When first turning on the sound system, switch on all upstream electronics first, then the TriFlex II with its
Master System Level control fully counterclockwise (all the way down). Begin checking levels with the mixer
output level controls all the way down, and bring them up slowly with the TriFlex II Master System Level control
set to the desired setting (one-half way up recommended to start).
It is not good practice to turn the Master System Level control on the TriFlex II all the way up and then try to
control level only from the mixer, this approach would tend to pick up excess noise. Best practice would be to
run a "hot" signal from the mixer down the cable to the TriFlex II, and then turn the TriFlex II Master System
Level control up only as much as necessary to reach full desired output. With this approach, it is necessary to
verify the mixer output is not clipping.
DISCONNECTING AC POWER TO THE TRIFLEX
We recommend that the Power switch (3) be used to turn the unit off first, and then the AC power cord can be
removed, this minimizes stress to the power amplifiers and the transducers from turn-off transients. The power
switch has an arc suppression capacitor to help during turn-off, and tends to make a clean disconnect from
the AC power, while the power cord IEC connector can make intermittent contact before finally becoming fully
disconnected, e.g., as when wiggling the cord.
PLACEMENT OF THE TRIFLEX
The TriFlex II satellite speakers should be placed about 12 to 18 feet apart, and facing the audience, and ideally,
the TriFlex II Sub should be placed in the same plane as the Satellites, and equidistant from them. If looking
down from above, this would create a straight line, with the Sub in the middle, and either satellite about 10 feet
away on either side.
SPEAKER PLACEMENT RELATIONSHIP - TOP DOWN VIEW
This helps to insure that the Sub works with the Satellites throughout the region where they are both operating,
and that they sum together well, instead of canceling each other's output.
The satellite speakers should be placed on speaker stands, and be at a height so that the horn is above the
audience's heads. The Sub should be placed on a firm and level surface. If the surface or floor is uneven, wedge
a piece of cardboard under one foot to prevent it from wobbling or moving, this will help assure that the bass is
tight and punchy.
USE OF THE SATELLITES AS MONITORS
The satellite speakers can be used for two channels of monitor, the angled side on the right rear allows them to
be placed at a 45° angle down on their long side.
For best results, the Sub Level (6) can be turned all the way down, and the satellites used as monitors will
reproduce down to approx. 110 Hz or so. If some bass content is desired in the monitors, turn the Sub Level
up to a very low position, such as 10 o'clock, this will prevent the sound from becoming boomy and causing
feedback.
II are equipped with DDT
and an LED indicator to show that DDT has engaged (13).
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II SPEAKER COMPONENTS
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II
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