Category:Dual Toned Sirens: Difference between revisions

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(Created page with "Dual-toned sirens create more than one frequency, or note, at a time. They do this by either using two rows of ports on a single stator/rotor, or by using multiple stators/rot...")
 
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Dual-toned sirens create more than one frequency, or note, at a time. They do this by either using two rows of ports on a single stator/rotor, or by using multiple stators/rotors together, generally at each end of a motor.
Dual-toned sirens create more than one frequency, or note, at a time. They do this by either using two rows of ports on a single stator/rotor, or by using multiple stators/rotors together, generally at each end of a motor.
[[Category:Sirens]]

Latest revision as of 20:24, 14 December 2013

Dual-toned sirens create more than one frequency, or note, at a time. They do this by either using two rows of ports on a single stator/rotor, or by using multiple stators/rotors together, generally at each end of a motor.