KEF iQ90 User Manual

Part No.K290223ML
Issue 2: August 2008
5
GP Acoustics (UK) Ltd., Eccleston Road,Tovil, Maidstone, Kent, ME15 6QP U.K.
Tel: + 44 (0)1622 672261 Fax: + 44 (0)1622 750653
GP Acoustics (US) Inc., 10 Timber Lane, Marlboro, New Jersey 07746 U.S.A.
Tel: +(1) 732 683 2356 Fax: +(1) 732 683 2358
GP Acoustics GmbH, Am Brambusch 22, D-44536 Lünen, Deutschland.
Tel: +49 (0) 231 9860-320 Fax: +49 (0) 231 9860-330
GP Acoustics (France) SAS, 39 Rue des Granges Galand - BP60414,
37554 Saint Avertin CEDEX, France.
Tel : +33(0)2 47 80 49 01 Fax: +33(0)2 47 27 89 64
GP Acoustics (HK) Limited, 6F, Gold Peak Building, 30 Kwai Wing road,
Kwai Chung, N.T., Hong Kong.
Tel : +852 2410 8188 Fax: +852 2401 0754
KEF JAPAN 1-11-17, Honcho, Koganei-City, Tokyo, JAPAN 184-0004
Tel: +81 (0)42-388-2030 E-mail: info@kef.jp
www.kef.com
KEF and Uni-Q are registered trademarks. Uni-Q is protected under GB patent 2 236929, U.S. Pat. No. 5,548,657 and other worldwide patents.
KEF reserve the right, in line with continuing research and development, to amend or change specifications.
Design Two-way bass reflex Two-way bass reflex Two and a half-way bass reflex Two and a half-way bass reflex Three-way bass reflex
Drive units
130mm (5.25in.) Uni-Q 165mm (6.5in.) Uni-Q 130mm (5.25in.) LF 165mm (6.5in.) LF 2 x 165mm (6.5in.) LF
19mm (0.75in.) alu dome HF 19mm (0.75in.) alu dome HF 130mm (5.25in.) Uni-Q 165mm (6.5in.) Uni-Q 165mm (6.5in.) Uni-Q
19mm (0.75in.) alu dome HF 19mm (0.75in.) alu dome HF 19mm (0.75in.) alu dome HF
Frequency response 50Hz - 40kHz 45Hz - 40kHz 40Hz - 40kHz 36Hz - 40kHz 33Hz - 40kHz
Crossover frequency 2.5kHz 2.5kHz 2.5kHz 2.5kHz 180Hz - 2.5kHz
Amplifier requirements 10-100W 15-120W 15-130W 15-150W 15-200W
Sensitivity (2.83V/1m) 88dB 89dB 88dB 90dB 91dB
Maximum output 108dB 110dB 109dB 111dB 113dB
Nominal impedance 8Ω 8Ω 8Ω 8Ω 8Ω
Magnetic shielding Yes Yes Yes Yes Yes
Weight 4.5kg (9.9lbs) 6.45kg (14.2lbs) 10.2kg (22.5lbs) 14kg (30.9lbs) 16.3kg (35.9lbs)
Dimensions 301 x 175 x 261 mm 365 x 220 x 327 mm 815 x 175 x 261 mm 865 x 220 x 327 mm 942 x 220 x 327 mm
H x W x D 11.8 x 6.9 x 10.3 in. 14.4 x 8.7 x 12.9 in. 32 x 6.9 x 10.3 in. 34 x 8.7 x 12.9 in. 37 x 8.7 x 12.9 in.
Plinth Dimensions N/A N/A 28 x 250 x 295 mm 28 x 288 x 348 mm 28 x 288 x 348 mm
H x W x D 1.1 x 9.8 x 11.6 in. 1.1 x 11.3 x 13.7 in. 1.1 x 11.3 x 13.7 in.
Design Three-way bass reflex
Drive units
2 x 130mm (5.25in.) LF
130mm (5.25in.) Uni-Q
19mm (0.75in.) alu dome HF
Frequency response 65Hz - 40kHz
Crossover frequency 280Hz - 2.8kHz
Amplifier requirements 15-150W
Sensitivity (2.83V/1m) 90dB
Maximum output 111dB
Nominal impedance 8Ω
Magnetic shielding Yes
Weight 8.8kg (19.4lbs)
Dimensions 165 x 512 x 255 mm
H x W x D 6.5 x 20.1 x 10 in.
Installation Manual
Manuel d’installation
Installationshandbuch
Manuale d’installazione
Manual de instalación
Manual de instalação
Installatiehandleiding
Installationsanvisning
Podręcznik instalacji
GB
I
F
D
NL
ES
DK
P
PL
JP
RU
GR
K
CN
TC
(GB) Specifications
(F) Spécifications
(D) Technische Merkmale
(I) Specifiche
(ES) Especificaciones
(P) Especificações
(NL) Technische gegevens
(DK) Specifikationer
(PL) Specyfikacja techniczna
(RU)
(GR)
(JP)
(CN)
(TC)
(K)
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iQ Manual_II-Rev02.indd 1 2008-9-24 11:50:18

KEF iQ90 Specifications

General

Brand	KEF
Model	iQ90
Category	Speaker System
Language	English

Summary

User Guidance and Safety Precautions

Manual Usage and Warranty Information

Instructions for following the manual and handling the warranty card.

Environmental Temperature Guidelines

Guidance on avoiding extreme hot or cold temperature conditions for optimal performance.

Speaker Handling and Care

Environmental Protection and Cleaning

Guidelines for protecting speakers from humidity, direct sunlight, and using appropriate cleaning methods.

Cable Safety Management

Warning about trailing cables and the need to secure all speaker wires for safety.

Speaker Placement and Mounting

Speaker Placement Diagrams

Visual guides for correct speaker placement in different room configurations.

iQ10 Wall Mounting Instructions

Detailed instructions and hardware requirements for wall-mounting the iQ10 speaker model.

Room Placement and Audio Tuning

Room Layout and Speaker Positioning

Diagrams illustrating optimal speaker and subwoofer placement within a listening room.

Frequency Response Optimization

Visual indicators related to tuning speaker placement for desired frequency response.

Speaker Connection Methods

Single Wire Connection Setup

Instructions for connecting speakers using a single wire from the amplifier.

Bi-wired Connection Setup

Instructions for connecting speakers using a bi-wiring setup from the amplifier.

Bi-amplified Connection Setup

Instructions for connecting speakers using a bi-amplification setup from the amplifier.

iQ60c Connection Guide

iQ60c Single Wire Connection

Instructions for connecting the iQ60c speaker using a single wire.

iQ60c Bi-wired Connection

Instructions for connecting the iQ60c speaker using a bi-wiring setup.

iQ60c Bi-amplified Connection

Instructions for connecting the iQ60c speaker using a bi-amplification setup.

Troubleshooting and Fault Finding

Problem Identification and Solutions

Guide to identifying speaker problems, recommended actions, and their causes.

Frequency-Specific Troubleshooting

Specific troubleshooting steps for issues related to high, mid, and low frequency sound reproduction.

Specifications and Manufacturer Information

KEF Speaker Model Specifications

Detailed technical specifications for all KEF Q Series speaker models.

Manufacturer Contact Details

Contact information for KEF global offices for customer support and inquiries.