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Workingman’s Series Bass Speaker Enclosures • 10
WORKINGMAN’S TOWER (continued)
Tweeter Attenuator Control
The large dial found on the input panel of the cabinet is the Tweeter Attenuator Control (see dia-
gram, page 4). This control is used to adjust the level of high frequency signal present at the
tweeter. A normal setting for this control is straight up or “twelve o’clock.” Turning the dial fully
counter-clockwise removes the tweeter from the circuit. As you turn the dial clockwise from this
position, the high frequency content is increased.
Note: Any amplifier clipping that occurs will be accentuated by the tweeter. If you hear a dis-
torted signal through your tweeter and fear that it has been damaged, turn down the master
volume of your amplifier to see if the distortion remains present. Another common “false
alarm” that can be misinterpreted as a horn defect can occur when a string on your instru-
ment is struck with enough force to hit the pickup. This can cause a loud clacking sound
which is, once again, emphasized by the high frequency circuit.
Tweeter Protection Circuit
The tweeter protection circuit for the WorkingMan’s Tower includes a size 3AG, 3 amp, 250 volt,
fast-blo fuse. Do not replace this with a fuse of a higher rating as it will void your warranty. A sud-
den burst of feedback or a heavily clipped waveform can cause the fuse to open, resulting in loss
of output from the tweeter.
Internal Crossover
The internal (passive) crossover of the WorkingMan’s Tower divides the incoming signal into two
frequency bands. The crossover point is 5kHz (frequencies above 5kHz are sent to the tweeter, fre-
quencies below 5kHz are sent to the 10" speakers).
Transporting the WorkingMan’s Tower
The WorkingMan’s Tower features a tilt-back design for easy transportation. For level transport,
simply place your foot on the kick plate near the bottom of the enclosure, pull back on the top
handle, and wheel the Workingman’s Tower on its heavy-duty casters to your desired location.