Concerto (1969 - 77)
The Concerto, released in 1969, was KEF’s latest high quality three-way loudspeaker system. It maintained
the KEF practice in high end systems of using a dedicated midrange driver to
cover the critical vocal range, in this case the newly developed 5” bextrene coned B110. Together with the new
T27 ¾” melinex domed tweeter
and the established B139 bass driver, it offered full range reproduction with
low distortion, high power capacity and wide dispersion.
Intended
for professionals and serious enthusiasts, the Concerto became a major success
and remained in production until 1977 when it was superseded by the Cantata.
Specification: Concerto
System
type: Three-way, floor standing
Enclosure
type: Reflex
Size: 28
x 17 x 12 inches (711 x 432 x 305 mm)
Weight:
50 lb (22.7kg)
Input
impedance: 8 ohms
Power
rating: 30W
Crossover
frequencies: 400, 3500Hz
Frequency
range: 30-30,000Hz
System:
A6614
Drive
units: B139 bass unit (A6171), B110 midrange unit (A6362), T27 tweeter (A6340)
Crossover:
A6606
System:
SP1005
Drive
units: B139 bass unit (A6171), B110 midrange unit (A6362), T27 tweeter (A6340)
Crossover:
SP1002
System:
SP1006
Drive
units: B139 bass unit (A6171), B110 midrange unit (SP1003), T27 tweeter
(SP1032)
Crossover:
SP1004
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