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ACOUSTIC DEVICE, TB-26/A Mk 6(b)
Figure 9-4.--Acoustic power cable.

Mineman, Volume 7
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. . .
Figure 9-2.--Acoustic Device TB-26/A Mk 6(b).
This device is also towed through the minefield by
diaphragms vibrated by the eccentrics. The frequency
an acoustic power cable. An acoustic controller on
of the vibration is controlled by the speed of the electric
board the ship sends voltage through the APC to operate
motor within the apparatus.
a motor within the TB-27. The motor drives a hammer
ACOUSTIC DEVICE TB-27/A
into a steel diaphragm, causing it to vibrate. By varying
Mk 4(v)
the motor speed, the controller can select a sound
intensity and frequency appropriate for sweeping
The Acoustic Device TB-27/A Mk 4(v) Acoustic-Device-Tb-26-A-Mk-6-B-179.html">(figure 9-3)
mines.
is a motor-driven mechanical device that produces
The functioning components of the acoustic device
controlled sound output for sweeping acoustic
are the diaphragm, the striker assembly, the eccentric
mines.
Figure 9-3.--Acoustic Device TB-27/A Mk 4(v).
9-3






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