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2. Vibrator (electronic) - Wikipedia

   en.wikipedia.org/wiki/Vibrator_(electronic)

   Vibrators generate a certain amount of audible noise (a constant buzzing sound) while in operation, which could potentially be heard by passengers in the car while the radio was on. To help contain this sound within the vibrator's enclosure, the inside surface of the can was often lined with a thick soundproofing material, such as foam rubber.

3. Anti-vibration compound - Wikipedia

   en.wikipedia.org/wiki/Anti-vibration_compound

   Vibration manifests itself as a high frequency periodic movement of the roll body with an amplitude from less than one to several μm. When anti-vibration compound is introduced to the center bores of the rolls, vibration is transferred from the solid roll structure to the incompressible fluid component of the anti-vibration compound.

4. Vibrator (mechanical) - Wikipedia

   en.wikipedia.org/wiki/Vibrator_(mechanical)

   A vibrator is a mechanical device to generate vibrations. The vibration is often generated by an electric motor with an unbalanced mass on its driveshaft. There are many different types of vibrator. Typically, they are components of larger products such as smartphones, pagers, or video game controllers with a "rumble" feature.

5. Active vibration control - Wikipedia

   en.wikipedia.org/wiki/Active_vibration_control

   Active vibration control is the active application of force in an equal and opposite fashion to the forces imposed by external vibration. With this application, a precision industrial process can be maintained on a platform essentially vibration-free. Many precision industrial processes cannot take place if the machinery is being affected by ...

6. 12AX7 - Wikipedia

   en.wikipedia.org/wiki/12AX7

   12AX7 (also known as ECC83 [1]) is a miniature dual-triode vacuum tube with high voltage gain.Developed around 1946 by RCA engineers [2] in Camden, New Jersey, under developmental number A-4522, it was released for public sale under the 12AX7 identifier on September 15, 1947.

7. Harmonic damper - Wikipedia

   en.wikipedia.org/wiki/Harmonic_damper

   A harmonic balancer (sometimes called crankshaft damper, torsional damper, or vibration damper) is the same thing as a harmonic damper except that the balancer includes a counterweight to externally balance the rotating assembly. The harmonic balancer often serves as a pulley for the accessory drive belts turning the alternator, water pump and ...