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2. First Products Three-way design. Bass and midrange units using foil-stiffened, vacuum-formed, expanded polystyrene diaphragms with a Melinex or Mylar tweeter.
K1, an immediate success, followed by the bookshelf model, Celeste.
3. BBC and KEF 1966, Bextrene cones developed1967, B110 appeared.
T27 tweeter followed
LS3/5a created with BBC, over 2 million units sold world-wide.
4. Products
5. Computer Aided Design 1973, computer aided “total system design”. World’s first 4 bit processor in its infancy!
First speaker company to take it seriously.
Speakers now matched to within 0.5dB.
6. Reference Model 104 1973 first KEF Reference Series Model, the 104 which swept reviewers, distributors, retailers and customers off their feet.
Probably the first broadcast monitor standard domestic loudspeaker.
7. Reference Model 105 1977 most radical design yet.
New standards for flat frequency response
Mid and treble split from bass enclosure
First use of Pod technology
8. Original Thinking from KEF This was the very first KEF loudspeaker to incorporate the radically new MF/HF enclosure. Designed to separate the mid to high frequencies from the main bass enclosure, thus ensuring pure vocal response.
Known today as “Pod” technology, this 1977 KEF Model 105 set the foundations for the future.
9. The Next Step In 1980 the Model 105/4 was introduced, incorporating the distinctive MF/HF enclosure.
It was called the Model 105/4 because of the twin B200 bass drivers per cabinet instead of the single B300.
After MF/HF re-balancing the Model 105/4 went on to dominate Hi-Fidelity sales worldwide until it’s succession in 1982.
10. Natural progression In 1982 this already familiar design was re-invented to produce the Model 105/2. Again using the now world famous MF/HF enclosure but reverting back to the original idea of driving a single B300 bass unit.
The Model 105/2 was so popular, production continued until 1987.
11. KEF Flagship receives the ‘pod’ treatment By 1987, and after overwhelming success of the Model 105/2 we at KEF wanted to introduce a loudspeaker that would head up our strong family of Reference products into the ’90s.
No expense spared we opted for large real wood cabinets in a variety of attractive finishes, though continuing to use the MF/HF enclosure from which we had achieved such pure sound on past products.
So was born the KEF Model 107.
12. From Strength to Strength Taking the Hi-Fi world by storm, the Model 107 was ready for phase two of its career. Still holding onto the “pod” concept though adding more control features like Bi-Wire and Bi-Amp capability, the now famous MF/HF enclosure could deliver more open and precise mid to high frequencies.
The differences were astounding and the Model 107/2 continued in production up to 1996.
13. The ‘Pod’ Generations
14. Reference Model 104 c 1973 first KEF Reference Series Model, the 104 which swept reviewers, distributors, retailers and customers off their feet.
c Probably the first broadcast monitor standard domestic loudspeaker.
15. Reference Model 105 c 1977 most radical design yet.
c New standards for flat frequency response
c Mid and treble split from bass enclosure
c First use of Pod system
18. Model 105/3 c First use of Uni-Q in Reference product
c Best Imported Speaker - Japanese Press 1992
19. Models 1,2,3 and 4
20. Reference Series -Two
21. 109 - The Maidstone c Optional Super-tweeter
c Four way system
c Separate cabinets
23. High quality fit and finish
Technical innovation
Differentiation (What makes it special)
European design/styling
Excellent sound quality
Great value KEF Brand Characteristics