KEF Reference 1 Bookshelf Speakers

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KEF


KEF Reference 1 Bookshelf Speakers

Smart use of innovative KEF technology means that with Reference 1 you don't need a big cabinet to enjoy expansive, high-performance sound.

Sound

Reference 1 pairs KEF’s latest 125mm (5 inch) MF/HF Uni-Q driver array with the sensational new 165mm (6.5 inch) alloy cone bass driver to create a compellingly realistic, large scale sound stage. Uni-Q’s inherently wide, even dispersion also makes it the perfect rear channel speaker in a serious home theatre system.

kef reference 1 bookshelf speakers melbourne hi fi

 

* speaker stands sold separately

KEF Reference 1 Speaker Stands

Perfect sound demands the absolute elimination of unwanted vibration. Securely bolting REFERENCE 1 bookshelf speakers to the REFERENCE 1 Performance Stand and Spike Set guarantees maximum rigidity. The precision engineered plinth and spike set will prevent vestigial cabinet vibrations from being transmitted through the floor of the listening area.



WEIGHT

18.2kg (40.1lbs)    

H X W X D WITH GRILLE AND TERMINAL

440 x 205 x 430 mm (17.3 x 8.1 x 16.9 in. )    

DESIGN

Three-way bass reflex

 

UNIT MEASUREMENT

Pair

FREQUENCY RANGE

Typical in room bass response: 30Hz (-6dB)
Free Field - Short port: 40Hz - 45kHz (-6dB)
Free Field - Long port: 37Hz - 45kHz (-6dB)

 

TYPICAL IN-ROOM BASS RESPONSE

26Hz (-6dB)    

FREQUENCY RESPONSE

45Hz- 35kHz (±3dB)    

HARMONIC DISTORTION

2nd & 3rd harmonics (90dB, 1m)
<0.5% 40Hz - 100kHz
<0.2% 200Hz - 10kHz
   

MAXIMUM OUTPUT

111 dB (peak sound pressure level at 1m with pink noise)    

AMPLIFIER CLASS

50-200W  

 

SENSITIVITY

85dB (2.83V/1m)  
 

NOMINAL IMPEDANCE

8Ohms (min.3.2Ohms)  

DRIVE UNITS

Uni-Q driver array:
HF: 25mm (1in.) vented aluminium dome
MF: 125mm (5in.) aluminium
Bass units
LF: 1 x165mm (6.5in.) aluminium
   

CROSSOVER FREQUENCIES

350Hz, 2.8kHz    

 

 

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