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What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.



H.H. Scott '59





KEF K 160


The K160 (1991 - 1993) offered a decent increment in performance over the K140 with the addition of a passive radiator in a larger enclosure volume. A two-way system for floor standing use, designed to be positioned away from the room boundaries, it offered the traditional KEF virtues of accurate tonal balance, realistic stable stereo imaging, together with good bass extension and high output capability.

This floor-standing loudspeaker is capable of reproducing music at realistic levels, yet is very campact, talking up well under one square foot of floor space. The K 160 employs a similar bass/mid and high-frequency complement as the K 140, but with an additional 200 mm (8-inch)passive radiator to provide added bass extension and output without the need for large power input. This additional bass diaphragm is specially designed to respondquickly and accurately to the low-frequency information contained in today's recordings. KEF's computer optimisation techniques, analysing the complex interaction between bass driver, passive radiator and enclosure, result in a bass extension that extends well below 50 Hz.

The K 160 is designed to operate clear of boundaries, floor-standing, or on low stands. Of high efficiency, the K 160 has a peak output capability of a massive 110 dB. Panel dimensions have been calculated to minimise resonances, whilst keeping the front baffle as narrow as possible, so as not to impair stereo imaging. The K 160 combines plentiful, extended bass, with a clear, articulate midrange and treble. It can play exceedingly loud, when required, and will appeal to those who like high levels, but with refinement.


Specification: K160
System Type:  Two-way, floor standing
Enclosure Type:  Passive radiator
Nominal Impedance:  8 Ω
Amplifier Requirements:  10 - 150 W
Frequency Response:  48 Hz to 20,000 Hz ±3 dB [at 2m on reference axis (-6dB at 40Hz)]
Sensitivity:  89 dB [at 1m/2.83V (anechoic conditions)]
Maximum Output:  110 dB (on programme peaks under typical listening conditions)
System:  SP3134
Drive Units:
Bass  unit :  B200(SP1284),
Passive  Radiator :  BD200 (SP1289),
Tweeter :  25mm(SP1231)
Crossover:  SP2177
Dimensions (W x H x D): 750 x 260 x 246 mm (29.5 x 10.2 x 9.7 inches)
Weight:  11.8kg (26 lbs)
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