- of 33+1⁄3 rpm; a 12- or 10-inch (30- or 25-cm) diameter; use of the "
microgroove"
groove specification; and a
vinyl (a
copolymer of
vinyl chloride acetate)...
- packagings. The 10-inch and 12-inch LP
record (long play), or 33+1⁄3 rpm
microgroove vinyl record, is a
gramophone record format introduced by
Columbia Records...
-
single remained the
standard into the 1960s, when the
availability of
microgroove recording and
improved mastering techniques enabled recording artists...
- were
videodiscs invented by RCA,
based on
mechanically tracked ultra-
microgrooves (9541 grooves/inch) on a 12-inch
conductive vinyl disc. The term "high...
- for what was
named MicroGroove Rifling,
which was a
departure from the
standard "Ballard," or cut rifling. One
purpose of
Microgroove rifling was to increase...
- "standard groove"
found on
contemporary 78 rpm records,
rather than the "
microgroove" used for post-World War II 331⁄3 rpm "LP" (long play) records. The format...
-
Rifling in a .35
Remington microgroove rifled barrel...
- with dual needles; it was not
until around 1958 that the
single stylus microgroove system (in
which the two
stereo channels were cut into
either side of...
-
microgroove LP record, was
developed at
Columbia Records and
introduced in 1948. The short-playing but
convenient 7-inch (18 cm) 45 rpm
microgroove vinyl...
-
believer and
declared it a
single at its full length,
saying "We're in a
microgroove world now, we will
release it". In the US, however, the
original single...
