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Mains hum, electric hum, cycle hum, or power line hum is a sound associated with alternating current which is twice the frequency of the mains electricity. The fundamental frequency of this sound is usually double that of fundamental 50/60 Hz , i.e., 100/120 Hz, depending on the local power-line frequency .
String noise is often an unwanted side-effect that musicians try to avoid or minimize, especially when playing with amplification or distortion (as on an electric guitar). However, string noise can be intentionally used or emphasized as a stylistic choice. String noise is generally relatively quiet but parallel string motion brings out higher ...
A previous hum in Sausalito, California, also on the West Coast of the United States, was determined to be the mating call of the male midshipman. [37] However, in that case the hum was resonating through houseboat hulls and affecting the people living on those boats. In the West Seattle case, the University of Washington researcher determined ...
The torsional deflection of a simple cylinder cannot radiate efficiently acoustic noise, but with particular boundary conditions the stator can radiate acoustic noise under torque ripple excitation. [8] Structure-borne noise can also be generated by torque ripple when rotor shaft line vibrations propagate to the frame [9] and shaft line.
The album was recorded in stereo quadraphonic sound and featured guest performances by members of the Grateful Dead, including Jerry Garcia playing treated guitar and Phil Lesh playing electronic Alembic bass. [83] David Crosby, Grace Slick and other members of the Jefferson Airplane also appear on the album. [84]
He gained national recognition in 1968 when Rolling Stone described him as “a 130lb cross-eyed albino with long fleecy hair playing some of the gutsiest fluid blues guitar you have ever heard ...
The Fender Noiseless series is a line of electric guitar pickups made by the Fender Musical Instruments Corporation designed to cancel 60 cycle (Hz) hum noise while retaining the characteristic sound of single coil pickups, but belonging to the family stacked Humbuckers. Introduced in 1998, these pickups consist of a pair of single coils ...
Jane’s Addiction playing Stanhope, New Jersey in 1991. From left, Dave Navarro on electric guitar, a Greek goddess on fruit, Eric Avery on bass guitar, and singer Perry Farrell on mouth.