KEF Reference 201/2 Owner's Manual

KEF Reference 201/2 Owner's Manual

Reference series
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OWNERS MANUAL

Model 201/2
Model 202/2c
Model 203/2
Model 204/2c
Model 205/2
Model 206/2ds

Important Safety Information

Thank you for purchasing KEF Reference Series
loudspeakers. These have been designed to
faithfully reproduce high quality sound over many
years of use and should provide realistic
reproduction of music and speech. Please take a
little time to read these instructions prior to use.
Your KEF Reference Loudspeakers are tall,
slim and extremely heavy. Installed correctly on
a smooth, level surface, your loudspeakers
should be entirely safe to listen to and to
live with.
1. Read this manual carefully, especially the
2. Follow
3. Never connect the system directly to the
General Care of your System
1. Avoid temperature extremes.
2. Avoid damp.
3. Avoid direct sunlight.
4. Clean with the KEF cloth provided.
5. Do not use spirit based cleaners.
If you are at all uncertain about setting up, operating or caring for your system
your dealer will be pleased to assist you.
Model 207/2
However, if you have small children, large pets,
the infirm, uneven flooring or unusually thick
carpeting in your home, then correct adjustment
of the foot assemblies is imperative, if safe,
stable operation is to be achieved.
Warning: The metal tweeter dome now has
protective mesh at the centre of the Uni-Q
driver array; if however this is compromised and
the dome itself is dented, it will permanently
impair performance.
4. Trailing cables are dangerous. Ensure all
safety information, before attempting to
assemble and operate the system.
5. When stripping cables use only tools
the
unpacking
and
assembly
instructions on the cartons. Please note that
lifting the heavier Model 207/2 and Model
204/2c requires two able-bodied persons.
electricity supply.
1
®
cables are secure and tidy.
designed specifically for the purpose ie:
correct wire cutters or cable strippers.
Do not attempt to strip cables with a knife as
this could result in serious injury.
Part No.: 290201E
Issue 2: January 2007

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Summary of Contents for KEF Reference 201/2

  • Page 1: Important Safety Information

    Important Safety Information Thank you for purchasing KEF Reference Series However, if you have small children, large pets, loudspeakers. These have been designed to the infirm, uneven flooring or unusually thick faithfully reproduce high quality sound over many carpeting in your home, then correct adjustment...
  • Page 2: Table Of Contents

    Loudspeaker Placement and Room Acoustics Loudspeaker Positioning Amplifier to Loudspeaker Connections Amplifier Requirements and Power Handling Positive/RED Uni Balance Adjustment Models 201/2, 203/2, 205/2, 207/2, 206/2ds Placement Adjustment Models 202/2c, 204/2c Single, Bi and Tri-wire Connections Loudspeaker Cables Grilles Negative/BLACK...
  • Page 3: Introduction

    KEF ‘Project Austin’ Uni-Q driver array. Both the midrange and high frequency drivers In this innovative KEF design, not only are the have been symbiotically designed to take us one mid and high-frequency drivers on the same axis...
  • Page 4: Overview Of Common Features

    Overview of Common Features of KEF Reference Model 207/2 The KEF Reference Series products covered by IDL divides the enclosure into two half-height The flagship of the new KEF Reference The dividing network has its cross-over this manual are loudspeakers designed primarily...
  • Page 5: Model 201/2

    Reference Series Uni-Q driver arrays and an transport the loudspeakers at a later date. to become wet. is at a premium. Model 201/2 has three drive additional 200mm (8in.) ultra low distortion bass units, two of which are combined in the single...
  • Page 6: Adjusting The Feet And/Or Spikes

    Recruit the assistance of another adult - Often, you will find that the loudspeaker is close or consult an authorised KEF Reference outlet to vertical, but rocks because one spike (or two Positioning the loudspeaker in a corner or near...
  • Page 7: Loudspeaker Positioning

    Loudspeaker Positioning (6' 8") (6' 8")
  • Page 8: Amplifier To Loudspeaker Connections

    Uni Balance Adjustment All connections should be made with the If the connections are not made correctly the Models 201/2, 203/2, 205/2, 207/2 and 206/2ds amplifier switched OFF. Ensure the integrity of all sound will deteriorate giving poor bass output connections prior to switching the amplifier ON.
  • Page 9: Placement Adjustment Models 202/2C, 204/2C

    Placement Adjustment Models 202/2c and 204/2c HF Adjustment The ‘HF Adjust’ A and B terminals control the Four settings for tweeter output level are LF Adjustment high frequency output of the loudspeaker. possible +0.75, 0 (‘flat’), -0.75 and -1.5dB.For a This facility allows the user to adjust the ‘brighter’...
  • Page 10: Single, Bi And Tri-Wire Connections

    Single, Bi and Tri-wire Connections Loudspeaker single wire connections Tri-wiring/Tri-amping Terminals The three sets of input terminals are linked by a driven from same pre-amplifier high quality shorting cable. Removal of this cable (tri-amping). Further adjustment of this cable will allow the LF, MF and HF sections to be will allow connection of just two (pairs of) connected separately, either by a parallel adjacent terminals together for Bi-wiring...
  • Page 11 Centre loudspeaker single wire connections Loudspeaker single amplification connections Loudspeaker bi-amplification connections Centre loudspeaker bi-wire connections Loudspeaker tri-amplification connections Centre loudspeaker tri-wire connections...
  • Page 12: Loudspeaker Cables

    Grilles Dedicated grille assemblies are factory fitted to KEF suggest removal of the grille for serious each loudspeaker. However, if you wish you may listening. For cleaning purposes, the grilles remove the grille by gently pulling it forward should be removed from the cabinets and toward you.
  • Page 13: Specifications

    Specifications MODEL 207/2 MODEL 205/2 MODEL 203/2 MODEL 201/2 Design : Design : Design : Design : Bass reflex four-way floorstanding loudspeaker, Bass reflex three-way floorstanding loudspeaker, Bass reflex three-way floorstanding loudspeaker, Bass reflex three-way bookshelf loudspeaker, magnetically shielded. magnetically shielded.
  • Page 14 MODEL 202/2c MODEL 204/2c MODEL 206/2ds Design : Design : Design : Bass reflex three-way centre loudspeaker, Bass reflex three-way centre loudspeaker, Closed box three-way dipole loudspeaker, magnetically shielded. magnetically shielded. magnetically shielded. Drive Unit Array : Drive Unit Array : Drive Unit Array : 2 x 165mm (6.5in.) LF 4 x 165mm (6.5in.) LF...
  • Page 15: Kef Heritage

    Bextrene as a operation called Kent Engineering & Foundry solution, as its lightweight plastic sheet-like (hence KEF), on the banks of the River Medway, properties were flexible enough for shaping and near Maidstone in Kent.
  • Page 16 CR250SW set new standards from would be. KEF was the first loudspeaker 1977 saw the most radical KEF design yet in the 1986 saw more activity amongst the now world in-wall/ceiling units.
  • Page 17 The 1990’s Under new ownership in 1992 KEF Audio found Recognition that year for the Reference Series itself equipped with new ideas, new personalities Model Four had reached a peak with world-wide and new products. But the same philosophies of acclaim.
  • Page 18 This was own right: the KHT (KEF Home Theatre) 2005 achieved by adding two flat panel drivers behind system. With satellite loudspeakers nicknamed each front loudspeaker driver to act as rear ‘KEF...
  • Page 19 GP Acoustics (UK) Ltd., Eccleston Road, Tovil, Maidstone, Kent, ME15 6QP U.K. Telephone: + 44 (0)1622 672261 Fax: + 44 (0)1622 750653 GP Acoustics (US), Inc., 10 Timber Lane, Marlboro, New Jersey 07746 U.S.A. Telephone: +(1) 732 683 2356 Fax: +(1) 732 683 2358 GP Acoustics GmbH, Heinrichstraße 51, D-44536 Lünen, Deutschland.

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