SpeakerDecision
  • SPEAKERS
Klipsch Reference R-51M vs Klipsch Reference Premiere RP-600M
x
Lens to replace
Change

Klipsch R-51M

Bookshelf speakers |

Klipsch Reference R-51M
CHECK TODAYS PRICE

BUY from B&H PHOTO
Change
    
Klipsch RP-600M

Bookshelf speakers |

Klipsch Reference Premiere RP-600M
CHECK TODAYS PRICE

BUY from B&H PHOTO
Klipsch R-51M vs Klipsch RP-600M Speaker Comparison

In this review, we will be comparing specifications of R-51M and RP-600M, two Bookshelf speakers by Klipsch.

Let's have a brief look at the main features of Klipsch R-51M and Klipsch RP-600M before getting into our more detailed comparison.

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 )

Klipsch RP-600M Key Specs

  • 1" Tractrix Horn Tweeter
  • 6.5" Cerametallic Woofer
  • 45-25k Hz Frequency Response
  • 96 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:100watts
  • Weight: 16 lbs
  • Dimensions (H x W x D): 399.0" x 7.9" x 11.8"( 399.0mm x 202.0mm x 301.0mm )

Let's read on the following sections in order to better understand in detail how Klipsch R-51M and Klipsch RP-600M compares and hopefully end up with enough arguments to decide which one is better for you.



Drivers

Both R-51M and RP-600M are 2-way speakers. 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. On the other hand, RP-600M features a 1" Tractrix Horn Tweeter , a " Midrange and 1 x 6.5" Cerametallic Woofer with a Crossover frequency at 1500 Hz.

Frequency Response

R-51M has a frequency range of 62-21k Hz whereas RP-600M has a frequency range of 45-25k Hz.

Low Frequency

Bookshelf Speakers

Klipsch R-51M
Klipsch RP-600M
Min
Average
Max
High Frequency

Bookshelf Speakers

Klipsch R-51M
Klipsch RP-600M
Min
Average
Max

Impedance and Sensitivity

R-51M and RP-600M has the same Impedance of 8 ohms but where they differ is the sensitivity levels. R-51M sensitivity is rated at 93 dB and RP-600M's is at 96 dB. This 3 dB difference makes Klipsch RP-600M a more sensitive speaker compared to Klipsch R-51M, hence will play louder with the same amount of watts.

Sensitivity

Bookshelf Speakers

Klipsch R-51M
Klipsch RP-600M
Min
Average
Max

Power Range

R-51M has a power range of 85 watts RMS whereas RP-600M has a power range of 100 watts.

Input Type and Bi-Amping / Bi-Wiring

RP-600M features Dual binding posts/bi-wire/bi-amp posts which makes bi-amping or bi-wiring possible. R-51M has a Single Gold Plated Binding Posts - 5-way which doesn't feature b-amping/bi-wiring.

Cabinet Type and Port Position

Both R-51M and RP-600M 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 Klipsch R-51M's and Klipsch RP-600M's external dimensions. Klipsch R-51M has external dimensions of 338.0mm x 178.0mm x 215.0mm ( 13.3inch x 7.0inch x 8.4inch ) whereas Klipsch RP-600M has external dimensions of 399.0mm x 202.0mm x 301.0mm ( 15.7inch x 7.9inch x 11.8inch ) .

Klipsch RP-600M is clearly the larger of the two speakers. Its body is 24mm wider, 61mm taller and 86mm deeper than Klipsch R-51M.

Below you can see the front view size comparison of Klipsch R-51M and Klipsch RP-600M.

Klipsch R-51M vs Klipsch RP-600M Camera Size Comparison - Front View
Comparison image of Klipsch R-51M and Klipsch RP-600M Size and External Dimensions


Reasons to choose Klipsch Reference R-51M over Klipsch Reference Premiere RP-600M
Weight 11 g vs 16 g 5 g lighter
Reasons to choose Klipsch Reference Premiere RP-600M over Klipsch Reference R-51M
Max Input Power 100 watts vs 85 watts Handle more power from your amplifier
Sensitivity 96 dB vs 93 dB Play louder with same amount of amplification power
Woofer Size 6.5 inches vs 5.25 inches Larger woofer
Low Frequency Response 45 Hz vs 62 Hz Generates deeper bass
High Frequency Response 25 Hz vs 21 Hz Generates higher frequency
Bi-amp / Bi-Wiring Yes vs No Allows bi-amping and bi-wiring connections

Klipsch R-51M vs Klipsch RP-600M Specs Table
Detailed comparison of specifications
General Klipsch Reference R-51M Klipsch Reference Premiere RP-600M
Brand Klipsch Klipsch
Speaker Type Bookshelf speakers Bookshelf speakers
Suggested Break-in Period - -
Power Range 85 watts 100 watts
Sensitivity 93 dB 96 dB
Impedance 8 ohms 8 ohms
Frequency Response 62-21k Hz 45-25k Hz
Drivers
Woofer Size 5.25" 6.5"
Woofer Composition Copper-spun IMG Cerametallic
Woofer Surround Material Rubber Rubber
Tweeter Size 1" 1"
Tweeter Type Tractrix Horn Tractrix Horn
Aimable Tweeter No No
Midrange Driver No No
Crossover Frequency 1660 1500
Firing Direction back back
Physical Specs
Height 13.3" 15.7"
Width 7.0" 7.9"
Depth 8.4" 11.8"
Weight 11lbs 16lbs
Enclosure Bass Reflex Bass Reflex
Finish MDF/Wood-grain vinyl MDF/Wood-grain vinyl
Available Colors Black Ebony, Walnut, Piano Black
Mounting Bracket No No
Recommended Stand Height 24-28 22-26
Grille magnetic magnetic
Moisture Resistancy No No
Connections
Connector Type Single Gold Plated Binding Posts - 5-way Dual binding posts/bi-wire/bi-amp
Biamp Inputs No Yes
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