[DOC] [TLE] Tachometer - Wikipedia [PAR] A tachometer is an instrument measuring the rotation speed of a shaft or disk, as 
in a motor or other machine. The device usually displays the revolutions per 
minute (RPM) on a calibrated .... and the sound man replies "Sound speed! ... 
This effect is called a wow-and-flutter, and a modern, tachometer-regulated 
cassette deck... [DOC] [TLE] Skip (audio playback) - Wikipedia [PAR] A skip occurs when a phonograph (gramophone), cassette tape or Compact Disc 
player malfunctions or is disturbed so as to play incorrectly, causing a break in 
sound or a jump to another part of the ... In the case of a minor error, the disc's 
rotation would again speed up to facilitate several attempts to read the data. [DOC] [TLE] Speed of Synchronous Generator - Control.com [PAR] And why if we increase the generator rpm (by injecting more fuel in gas ... a 
steam turbine, a wind turbine, a hydro turbine--any device that can produce 
torque). ... and the excitation is provided by the exciter regulator, sometimes 
called the AVR ..... the section , sudden frequency change in the grid , transient 
fault conditions. [DOC] [TLE] Notes on the Troubleshooting and Repair of Audio Equipment and ... [PAR] Feb 9, 2016 ... Turntable (record changer) maintenance; Speed control in turntables ... IC and 
hybrid power audio amplifiers; Amplifier noise caused by bad hybrid bricks? ... 
Improper repair of battery operated devices can also result in bad .... However, a 
short circuit somewhere inside can produce such a fault - a very... [DOC] [TLE] HOT Tips! - The Jukebox Man [PAR] The sound can always wait until you have the mechanics working correctly. ... 
also be called credit accumulator or pricing unit depending on the manufacturer. 
... One fault that often occurs in a Seeburg is that the carriage scans twice and ... 
produced they had a large hole made in the centre to designate the speed as 45. [DOC] [TLE] Seeing at the Speed of Sound - Stanford Alumni Association [PAR] When I watch people's lips, I am trying to learn something about sound when the 
.... Forget hearing aids and microphones and other assistive devices.) ..... Any 
hearing person would spin into murkiness, but I can see, and that is enough. ... In 
fact, the radio show I work for, the Stanford Storytelling Project, has produced two
... [DOC] [TLE] German student creates electromagnetic harvester that gathers free ... [PAR] Feb 12, 2013 ... This might sound a bit like hocus-pocus pseudoscience, but the ... In essence, 
every electrical device gives off electromagnetic radiation  and if ... passes 
across a coil of wire, an electrical current is produced. ..... down the car (or 
making it use more energy to go the same speed)? ..... But its not ur fault tho. [DOC] [TLE] Doorbell that tricks burglars into thinking you're home invented by ... [PAR] Jun 6, 2011 ... The device even produces a small amount of white noise to give any ... 'When I 
found out I was going to make a quarter of a million pounds, I thought, "Wow, 
that's a .... San Francisco's Hayward fault is 'holding hands' with a SECOND. ..... 
and we found it tripled the speed of our home wifi connection - but at... [DOC] [TLE] Cellphones Do Not Cause Brain Cancer, Says 29-Year Study ... [PAR] May 6, 2016 ... Electromagnetic coil devices to produce them have recently shown such ... they 
just sound scarier to people who don't know how they work. .... Learn from that 
instead of finding obvious useless faults in ways of expressing oneself. ... yes it 
would have an effect since the frequency is related to rotation speed;... [DOC] [TLE] Vibration - WOW.com [PAR] Jul 4, 2016 ... The studies of sound and vibration are closely related. ... Devices specifically 
designed to trace or record vibrations are called vibroscopes. ... Most commonly 
VA is used to detect faults in rotating equipment ... The proportionality constant c 
is called the damping coefficient and has units of Force over

Question: A fault in the rotation speed of this device produces a sound called a "wow"
Answer: a turntable