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Klipsch Reference R-51M vs Klipsch Reference Premiere RP-500M
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Klipsch R-51M

Bookshelf speakers |

Klipsch Reference R-51M
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Klipsch RP-500M

Bookshelf speakers |

Klipsch Reference Premiere RP-500M
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Klipsch R-51M vs Klipsch RP-500M Speaker Comparison

In this review, we will be comparing specifications of R-51M and RP-500M, two Bookshelf speakers by Klipsch.

Let's have a brief look at the main features of Klipsch R-51M and Klipsch RP-500M 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-500M Key Specs

  • 1" Tractrix Horn Tweeter
  • 5.25" Cerametallic Woofer
  • 48-25k Hz Frequency Response
  • 93 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:75watts
  • Weight: 12 lbs
  • Dimensions (H x W x D): 343.0" x 6.8" x 9.4"( 343.0mm x 173.0mm x 241.0mm )

Let's read on the following sections in order to better understand in detail how Klipsch R-51M and Klipsch RP-500M compares and hopefully end up with enough arguments to decide which one is better for you.



Drivers

Both R-51M and RP-500M 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-500M features a 1" Tractrix Horn Tweeter , a " Midrange and 1 x 5.25" Cerametallic Woofer with a Crossover frequency at 1500 Hz.

Frequency Response

R-51M has a frequency range of 62-21k Hz whereas RP-500M has a frequency range of 48-25k Hz.

Low Frequency

Bookshelf Speakers

Klipsch R-51M
Klipsch RP-500M
Min
Average
Max
High Frequency

Bookshelf Speakers

Klipsch R-51M
Klipsch RP-500M
Min
Average
Max

Impedance and Sensitivity

R-51M and RP-500M has the same Impedance of 8 ohms and their sensitivity is also same at 93 dB dB.

Sensitivity

Bookshelf Speakers

Klipsch R-51M
Klipsch RP-500M
Min
Average
Max

Power Range

R-51M has a power range of 85 watts RMS whereas RP-500M has a power range of 75 watts.

Input Type and Bi-Amping / Bi-Wiring

R-51M features Single binding posts type posts and RP-500M has a Single binding posts type posts. None of these speakers feature b-amping/bi-wiring.

Cabinet Type and Port Position

Both R-51M and RP-500M 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-500M'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-500M has external dimensions of 343.0mm x 173.0mm x 241.0mm ( 13.5inch x 6.8inch x 9.4inch ) .

Klipsch R-51M is 5mm shorter and 26mm less deeper than Klipsch RP-500M but it is also 5mm wider.

Below you can see the front view size comparison of Klipsch R-51M and Klipsch RP-500M.

Klipsch R-51M vs Klipsch RP-500M Camera Size Comparison - Front View
Comparison image of Klipsch R-51M and Klipsch RP-500M Size and External Dimensions


Reasons to choose Klipsch Reference R-51M over Klipsch Reference Premiere RP-500M
Max Input Power 85 watts vs 75 watts Handle more power from your amplifier
Weight 11 g vs 12 g 1 g lighter
Reasons to choose Klipsch Reference Premiere RP-500M over Klipsch Reference R-51M
NovsNo
Low Frequency Response 48 Hz vs 62 Hz Generates deeper bass
High Frequency Response 25 Hz vs 21 Hz Generates higher frequency
Mounting Bracket Allows mounting on walls

Klipsch R-51M vs Klipsch RP-500M Specs Table
Detailed comparison of specifications
General Klipsch Reference R-51M Klipsch Reference Premiere RP-500M
Brand Klipsch Klipsch
Speaker Type Bookshelf speakers Bookshelf speakers
Suggested Break-in Period - -
Power Range 85 watts 75 watts
Sensitivity 93 dB 93 dB
Impedance 8 ohms 8 ohms
Frequency Response 62-21k Hz 48-25k Hz
Drivers
Woofer Size 5.25" 5.25"
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" 13.5"
Width 7.0" 6.8"
Depth 8.4" 9.4"
Weight 11lbs 12lbs
Enclosure Bass Reflex Bass Reflex
Finish MDF/Wood-grain vinyl MDF/Wood-grain vinyl
Available Colors Black Ebony, Walnut, Piano Black
Mounting Bracket No Keyhole
Recommended Stand Height 24-28 28-30
Grille magnetic magnetic
Moisture Resistancy No No
Connections
Connector Type Single Gold Plated Binding Posts - 5-way Single binding posts
Biamp Inputs No No
Other
Parts Warranty 5 Years 5 Years
Labor Warranty 5 Years 5 Years



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