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Ci50R

Quick Overview

The popular Soundlight Series is yet another major innovation form KEF. When installed, Soundlight speakers are so tiny that they blend in with halogen light fixtures yet will amaze you with their astonishing performance.
  • Features
  • Specifications
  • Ci Software Download
Features

Features and Benefits

Purpose-built for flush mounting into walls and ceilings, the Ci50R delivers KEF audio quality as unobtrusively as possible, and with KEF’s standard lighting style fitting, you’ll also find them amazingly easy and rapid to install.

Applications

The KEF Ci50R speaker is designed to be used in moisture prone locations, and can be used in the dry areas of bathrooms. The Ci Series Ci50R is best suited for plastered or suspended ceilings where high quality background music and speech reinforcement applications require hi-fi performance such as:

  • Multi Room systems
  • Lounges, Bars, Boutiques
  • Boardrooms & Offices
  • Bathrooms
  • Fitting room / walk-in closets


Architectural Specifications

The Ci Series Ci50R comprises a 50mm full range speaker. Performance should meet or exceed the following criteria: frequency response 1 metre on-axis with swept sinewave shall be 155Hz to 20kHz, system sensitivity shall be at least 82dB for 2.83V@1m. The driver impedance shall be 6 ohms.

Specifications

Additional Information

Nominal Impedance 6 Ω
Sensitivity 82dB (2.83V/ 1m)
Frequency Response 125 - 20kHz (±6dB) 2pi/open-backed
170 - 20KHz (±6dB) With back can/rear enclosure
Drive Units MF: 50mm
Recommended Amplifier Power 10 - 30W
Product external dimensions H x W x D : 80mm (3.15in.) / - / 55mm (2.17in.) / 90mm (3.54in.) with back can
Cut-out dimensions H x W : 65mm (2.56in.) / 70mm (2.76in.) with back can
Mounting depth from surface Product only : 50mm (1.97in.)
With back can : 90mm (3.54in.)
Unit measurement Piece
Document Download Ci50R Information Sheet and Manual
EASE GLL Data
Ci Series Pamphlet
Ci Series Specification Sheet
Ci Series Minimum Cabinet Volume Chart
Product drawing
Ci Software Download

1. KEF Speaker Placement Tool

Created by KEF UK engineering, the "KEF Speaker Placement Tool" is a software program* designed to assist you in the placement and layout of KEF Ci loudspeakers. Able to accommodate both 70V/100V and stereo music systems the software will graphically show room sound coverage, show speaker layout, and to provide wiring diagrams. For your convenience room layouts can be saved, printed, exported, and retrieved for future reference.

Download Ci Software

* KEF Speaker Placement Tool currently runs only on Windows based machines. Due to a compatibility issue between the "KEF Ci Speaker Placement Tool" and the latest version of Java, previous versions of the "KEF Ci Speaker Placement Tool" may not run. To correct this problem please uninstall the KEF Ci Software and then download and install the latest version from the link on this page.










2. KASA500 Software Update Tool

KASA500 is a powerful Class-D Dual 250WPC amplifier. This DSP controlled system amplifier is optimized to deliver thunderous bass from KEF Ci subwoofers. With both line and speaker level inputs, and DSP configurable pass-through with optional high pass filters – the KASA500 is versatile and can be deployed in limitless system configurations. To allow for future flexibility KEF engineers may update the KASA500 DSP firmware to optimize performance with additional KEF speakers. The KASA500 Programmer* is a proprietary tool for updating the KASA500 firmware. NOTE: KASA500 software requires a "USB Type A Male to USB Type A Male cable" for connection between your computer and the KASA500.

Download KASA500 Programmer

Download KASA500 Firmware Rev. 10.04 - The latest KASA500 Firmware provides settings for KEF Ci subwoofer models Ci3160RLb-THX, Ci200QSb-THX, Ci200TRb and Ci4100QLb with THX certified performance (if applicable) in both mono and stereo mode.

Download KASA500 EQ setting dip switch chart

Download KASA500 user manual - KASA500 manual includes installation diagrams for both home theater and music sub/satellite installations.

* KEF KASA500 Programmer currently runs only on Windows based machines.





Review
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