In this review, we will be comparing kO-R2 and Klipschorn 80th, two Passive Floor-standing speakers by Klipsch
Let's have a brief look at the main features
of Klipsch OJAS kO-R2 and Klipsch Heritage Klipschorn 80th Anniversary first before getting into our more
detailed comparison.
Klipsch OJAS kO-R2 Key Specs
- 2-way Design
- " Compression Horn Tweeter
- 15" Paper Woofer
- 39-20k Hz Frequency Response
- 97 dB Sensitivity
- Impedance: 8ohms
- Power Range:up to 300watts
- Weight:54.65kg
- Dimensions (H x W x D): 45-1/2" x 25-3/8" x 22-1/4" ( 1156.0 x 645.0 x 565.0mm )
Klipsch Heritage Klipschorn 80th Anniversary Key Specs
- 2-way Design
- " Compression Horn Tweeter
- 15" Paper Woofer
- 34-20k Hz Frequency Response
- 103 dB Sensitivity
- Impedance: 8ohms
- Power Range:100-400watts
- Weight:65.70kg
- Dimensions (H x W x D): 51-15/16" x 31-1/2" x 24" ( 1320.0 x 800.0 x 610.0mm )
kO-R2 and Klipschorn 80th are members of Klipsch's Heritage series of speakers. Below you can find the loudspeakers from this series.
Klipsch Heritage Series
History
What size room are the Klipsch OJAS kO-R2 and Klipsch Heritage Klipschorn 80th Anniversary speakers good for?
The size of the room in which you are planning to use these loudspeakers is an important decision
factor. Here we have compared their suitability to various sizes of environments considering their size
and max power parameters:
| Listening Environment* |
Klipsch OJAS kO-R2 |
Klipsch Heritage Klipschorn 80th Anniversary |
| Near-field |
Are you nuts? |
Are you nuts? |
| Small Room |
Poor |
Poor |
| Mid-size Room |
Average |
Average |
| Large Room |
Good |
Good |
| Very Large Room |
Good |
Good |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2,
Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: >
400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual
listening experience changes depending on floor height, room shape, surface materials, listening
position, speaker locations, etc.)
In the following sections, we will get into more detail in order to better understand how the Klipsch OJAS kO-R2 and Klipsch Heritage Klipschorn 80th Anniversary compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.
**This post contains affiliate links, and I will be compensated if you make a purchase after clicking
through my links. As an Amazon Associate I earn from qualifying purchases.
Drivers
Both kO-R2 and Klipschorn 80th are 2-way speakers.
| Driver |
Klipsch OJAS kO-R2 |
Klipsch Heritage Klipschorn 80th Anniversary |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
-inch
|
-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
1 x 15-inch
|
1 x 15-inch
|
kO-R2 features a " K-706 driver Compression Horn Tweeter and 1 x 15" Paper Woofer with a Crossover frequency at 760Hz. On the other hand, the Klipschorn 80th features a " K-692 with K-5-K aluminium horn Compression Horn Tweeter and 1 x 15" Paper Woofer with a Crossover frequency at 350Hz.
Frequency Response
kO-R2 has a frequency range of 39-20k Hz whereas Klipschorn 80th has a frequency range of 34-20k Hz. With a minimum frequency of 34Hz, the Klipschorn 80th can go significantly deeper on the low side and provide stronger bass compared to the kO-R2's min frequency of 39Hz.
Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the Floor-standing class in our database.
Low Frequency
Floor-standing Speakers
High Frequency
Floor-standing Speakers
Klipsch Heritage Klipschorn 80th Anniversary
None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.
Impedance and Sensitivity
kO-R2 and Klipschorn 80th have the same Impedance of 8 ohms but where they differ is the sensitivity levels. kO-R2 sensitivity is rated at 97 dB and the Klipschorn 80th's is at 103 dB. This 6 dB difference makes the Klipsch Heritage Klipschorn 80th Anniversary a more sensitive speaker compared to Klipsch OJAS kO-R2, hence will play louder with the same amount of watts.
Sensitivity
Floor-standing Speakers
Power Range
Power
range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using
an amplifier within this range ensures the nominal performance , inputting a power that is higher than the
max wattage can result in a damaged speaker.
kO-R2 can handle a max power of 400 watts RMS from the amp the whereas kO-R2 has a max power handling value of 300 watts RMS , 100 watts less than the Klipschorn 80th.
Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker
compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters
such as Impedance, sensitivity and system efficiencies.
Input Type and Bi-Amping / Bi-Wiring
kO-R2 features Binding post type posts and Klipschorn 80th has a Binding post type posts. None of these speakers feature bi-amping/bi-wiring.
Cabinet Type and Port Position
Both kO-R2 and Klipschorn 80th have front firing ports. front ported speakers offers more flexibility in placement in regards to proximity to walls&surfaces compared to rear ported speakers.
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 OJAS kO-R2's and Klipsch Heritage Klipschorn 80th Anniversary's external dimensions. Klipsch OJAS kO-R2 has external dimensions of 1156.0 x 645.0 x 565.0mm ( 45-1/2 x 25-3/8 x 22-1/4inch) whereas Klipsch Heritage Klipschorn 80th Anniversary has external dimensions of 1320.0 x 800.0 x 610.0mm ( 51-15/16 x 31-1/2 x 24inch) .
Klipsch Heritage Klipschorn 80th Anniversary is clearly the larger of the two speakers. Its body is 155mm wider, 164mm taller and 45mm deeper than Klipsch OJAS kO-R2.
Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base surface area of the Klipsch OJAS kO-R2 is approximately 3644.3cm2 / 564.9inch2 and base area of the Klipsch Heritage Klipschorn 80th Anniversary is approximately 4880.0cm2 / 756.4inch2. The kO-R2 requires 25% less surface area than the Klipschorn 80th which gives it a small advantage on placement in tight spaces.