SpeakerDecision
  • SPEAKERS
KEF Q150 vs Klipsch Reference R-51M
x
Lens to replace
Change

KEF Q150

Bookshelf speakers |

KEF Q150
CHECK TODAYS PRICE

BUY from B&H PHOTO
Change
    
Klipsch R-51M

Bookshelf speakers |

Klipsch Reference R-51M
CHECK TODAYS PRICE

BUY from B&H PHOTO
KEF Q150 vs Klipsch R-51M Speaker Comparison

In this review, we will be comparing specifications of Q150 and R-51M, two Bookshelf speakers from KEF and Klipsch.

Let's have a brief look at the main features of KEF Q150 and Klipsch R-51M before getting into our more detailed comparison.

KEF Q150 Key Specs

  • 1" Dome Tweeter
  • 5.25" Aluminum Woofer
  • 51-28k Hz Frequency Response
  • 86 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:10-100watts
  • Weight: 12.3 lbs
  • Dimensions (H x W x D): 303.0" x 7.0" x 10.9"( 303.0mm x 180.0mm x 278.0mm )

Klipsch R-51M Key Specs

  • 1" Tractrix Horn Tweeter
  • 5.25" Copper-spun IMG Woofer
  • 62-21k Hz Frequency Response
  • 93 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:85watts
  • Weight: 11 lbs
  • Dimensions (H x W x D): 338.0" x 7.0" x 8.4"( 338.0mm x 178.0mm x 215.0mm )

Let's read on the following sections in order to better understand in detail how KEF Q150 and Klipsch R-51M compares and hopefully end up with enough arguments to decide which one is better for you.



Drivers

Both Q150 and R-51M are 2-way speakers. Q150 features a 1" Dome Tweeter , a " Midrange and 1 x 5.25" Aluminum Woofer with a Crossover frequency at 2500 Hz. On the other hand, R-51M features a 1" Tractrix Horn Tweeter , a " Midrange and 1 x 5.25" Copper-spun IMG Woofer with a Crossover frequency at 1660 Hz.

Frequency Response

Q150 has a frequency range of 51-28k Hz whereas R-51M has a frequency range of 62-21k Hz.

Low Frequency

Bookshelf Speakers

KEF Q150
Klipsch R-51M
Min
Average
Max
High Frequency

Bookshelf Speakers

KEF Q150
Klipsch R-51M
Min
Average
Max

Impedance and Sensitivity

Q150 and R-51M has the same Impedance of 8 ohms but where they differ is the sensitivity levels. Q150 sensitivity is rated at 86 dB and R-51M's is at 93 dB. This 7 dB difference makes Klipsch R-51M a more sensitive speaker compared to KEF Q150, hence will play louder with the same amount of watts.

Sensitivity

Bookshelf Speakers

KEF Q150
Klipsch R-51M
Min
Average
Max

Power Range

Q150 has a power range of 10-100 watts RMS whereas R-51M has a power range of 85 watts.

Input Type and Bi-Amping / Bi-Wiring

Q150 features Single Gold Plated Binding Posts - 5-way type posts and R-51M has a Single Gold Plated Binding Posts - 5-way type posts. None of these speakers feature b-amping/bi-wiring.

Cabinet Type and Port Position

Both Q150 and R-51M have a back firing ports.

Physical Specs

Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, We are going to compare KEF Q150's and Klipsch R-51M's external dimensions. KEF Q150 has external dimensions of 303.0mm x 180.0mm x 278.0mm ( 11.9inch x 7.0inch x 10.9inch ) whereas Klipsch R-51M has external dimensions of 338.0mm x 178.0mm x 215.0mm ( 13.3inch x 7.0inch x 8.4inch ) .

Klipsch R-51M is 2mm narrower and 63mm less deeper than KEF Q150 but it is also 35mm taller.

Below you can see the front view size comparison of KEF Q150 and Klipsch R-51M.

KEF Q150 vs Klipsch R-51M Camera Size Comparison - Front View
Comparison image of KEF Q150 and Klipsch R-51M Size and External Dimensions


Reasons to choose KEF Q150 over Klipsch Reference R-51M
Max Input Power 100 watts vs 85 watts Handle more power from your amplifier
Low Frequency Response 51 Hz vs 62 Hz Generates deeper bass
High Frequency Response 28 Hz vs 21 Hz Generates higher frequency
Reasons to choose Klipsch Reference R-51M over KEF Q150
Sensitivity 93 dB vs 86 dB Play louder with same amount of amplification power

KEF Q150 vs Klipsch R-51M Specs Table
Detailed comparison of specifications
General KEF Q150 Klipsch Reference R-51M
Brand KEF Klipsch
Speaker Type Bookshelf speakers Bookshelf speakers
Suggested Break-in Period - -
Power Range 10-100 watts 85 watts
Sensitivity 86 dB 93 dB
Impedance 8 ohms 8 ohms
Frequency Response 51-28k Hz 62-21k Hz
Drivers
Woofer Size 5.25" 5.25"
Woofer Composition Aluminum Copper-spun IMG
Woofer Surround Material Rubber Rubber
Tweeter Size 1" 1"
Tweeter Type Dome Tractrix Horn
Aimable Tweeter No No
Midrange Driver No No
Crossover Frequency 2500 1660
Firing Direction back back
Physical Specs
Height 11.9" 13.3"
Width 7.0" 7.0"
Depth 10.9" 8.4"
Weight 12.3lbs 11lbs
Enclosure Bass Reflex Bass Reflex
Finish MDF/Vinyl-wrapped MDF/Wood-grain vinyl
Available Colors Black, Walnut, White Black
Mounting Bracket No No
Recommended Stand Height 18-24 24-28
Grille Magnetic (Optional) magnetic
Moisture Resistancy No No
Connections
Connector Type Post Single Gold Plated Binding Posts - 5-way
Biamp Inputs No No
Other
Parts Warranty 5 Years 5 Years
Labor Warranty 5 Years 5 Years



Latest Bookshelf Speakers
Triangle Borea BR03
Triangle Borea BR03
2-way Bookshelf | 90 dB | 8 ohms
Triangle Borea BR02
Triangle Borea BR02
2-way Bookshelf | 89 dB | 8 ohms
Sony SS-CS5
Sony SS-CS5
3-way Bookshelf | 87 dB | 6 ohms
Jamo Concert 9 Series C 93 II
Jamo Concert 9 Series C 93 II
2-way Bookshelf | 86 dB | 6 ohms
Jamo Concert 9 Series C 91 II
Jamo Concert 9 Series C 91 II
2-way Bookshelf | 86 dB | 6 ohms
JBL HDI-1600
JBL HDI-1600
2-way Bookshelf | 85 dB | 4 ohms
ELAC Debut Reference DBR62
ELAC Debut Reference DBR62
2-way Bookshelf | 86 dB | 6 ohms
Wharfedale Elysian 2
Wharfedale Elysian 2
3-way Bookshelf | 89 dB | 4 ohms
Monitor Audio Bronze 100
Monitor Audio Bronze 100
2-way Bookshelf | 87 dB | 8 ohms
Monitor Audio Bronze 50
Monitor Audio Bronze 50
2-way Bookshelf | 85 dB | 8 ohms

Most Popular Speakers
Klipsch Reference R-51M
Klipsch Reference R-51M
2-way Bookshelf | 93 dB | 8 ohms
Bowers & Wilkins 606
Bowers & Wilkins 606
2-way Bookshelf | 88 dB | 8 ohms
ELAC Debut 2.0 B6.2
ELAC Debut 2.0 B6.2
2-way Bookshelf | 87 dB | 6 ohms
Klipsch Reference Premiere RP-400M
Klipsch Reference Premiere RP-400M
2-way Bookshelf | 93 dB | 8 ohms
Klipsch Reference Premiere RP-600M
Klipsch Reference Premiere RP-600M
2-way Bookshelf | 96 dB | 8 ohms
Wharfedale EVO4.1
Wharfedale EVO4.1
2-way Bookshelf | 87 dB | 8 ohms
Wharfedale LINTON Heritage
Wharfedale LINTON Heritage
3-way Stand-mount | 90 dB | 6 ohms
Klipsch Reference Premiere RP-500M
Klipsch Reference Premiere RP-500M
2-way Bookshelf | 93 dB | 8 ohms
Copyright © 2021 by SpeakerDecision
About Privacy

Report a Correction