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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 tweet- er.
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 distort- ed signal through your tweeter and fear that it has been damaged, turn down the master vol- ume 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 instrument 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,
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, frequencies below 5kHz are sent to the 10" speakers).
Transporting the WorkingMan’s Tower
The WorkingMan’s Tower features a