In this review, we will be comparing two different type of speakers by Revel. Revel Concerta M8 SP2 is a On-wall speaker whereas the Revel Concerta2 C25 is a Center Channel speaker.
Let's have a brief look at the main features
of Revel M8 SP2 and Revel Concerta2 C25 first before getting into our more
detailed comparison.
Revel M8 SP2 Key Specs
- 2-way Design
- 1" Hard-Dome Tweeter
- 2 x 3" Micro Ceramic Composite Woofer
- 110-21k Hz Frequency Response
- 88 dB Sensitivity
- Impedance: 8ohms
- Power Range:10-125watts
- Weight:1.57kg
- Dimensions (H x W x D): 297.0" x 4-1/4" x 4-5/8"( 297.0 x 108.0 x 118.0mm )
Revel Concerta2 C25 Key Specs
- 2-way Design
- 1" dome with proprietary acoustic lens and waveguide Tweeter
- 2 x 5.25" anodized aluminum cone Woofer
- 80Hz- 20kHz Frequency Response
- 89 dB Sensitivity
- Impedance: 6ohms
- Power Range:40-120watts
- Weight:9.09kg
- Dimensions (H x W x D): 188.0" x 19-1/2" x 10-3/16"( 188.0 x 496.0 x 259.0mm )
M8 SP2 and Revel Concerta2 C25 are members of Revel's Concerta series of speakers. Below you can find the loudspeakers from this series.
Revel Concerta Series History
In the following sections, we will get into more detail in order to better understand how the Revel M8 SP2 and Revel Concerta2 C25 compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.
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Drivers
Both M8 SP2 and Revel Concerta2 C25 are 2-way speakers.
| Driver |
Revel M8 SP2 |
Revel Concerta2 C25 |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
1-inch
|
1-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
2 x 3-inch
|
2 x 5.25-inch
|
M8 SP2 features a 1" MCC (Micro Ceramic Composite) Hard-Dome Tweeter and 2 x 3" Micro Ceramic Composite Woofer . On the other hand, the Revel Concerta2 C25 features a 1" aluminum dome with proprietary acoustic lens and waveguide Tweeter and 2 x 5.25" anodized aluminum cone Woofer .
Frequency Response
M8 SP2 has a frequency range of 110-21k Hz whereas Revel Concerta2 C25 has a frequency range of 80Hz- 20kHz. With a minimum frequency of 80Hz, the Revel Concerta2 C25 can go significantly deeper on the low side and provide stronger bass compared to the M8 SP2's min frequency of 110Hz.
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 On-wall class in our database.
Low Frequency
On-wall Speakers
High Frequency
On-wall Speakers
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
M8 SP2 is a 8 ohms speaker compared to the Revel Concerta2 C25 which has a nominal impedance of 6 ohms.
These two speakers also have different sensitivity levels. M8 SP2 sensitivity is rated at 88 dB and the Revel Concerta2 C25's is rated at 89 dB. This 1 dB difference makes the Revel Concerta2 C25 a more sensitive speaker compared to Revel M8 SP2, hence will play louder with the same amount of watts.
Sensitivity
On-wall 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.
M8 SP2 can handle a max power of 125 watts RMS from the amp the whereas Revel Concerta2 C25 has a max power handling value of 120 watts RMS, 5 watts less than the M8 SP2.
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
M8 SP2 features 5-Way post type posts and Revel Concerta2 C25 has a 5-Way post type posts. None of these speakers feature bi-amping/bi-wiring.
Revel Concerta2 C25's 5-Way post terminals
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 Revel M8 SP2's and Revel Concerta2 C25's external dimensions. Revel M8 SP2 has external dimensions of 297.0 x 108.0 x 118.0mm ( 11-11/16 x 4-1/4 x 4-5/8inch) whereas Revel Concerta2 C25 has external dimensions of 188.0 x 496.0 x 259.0mm ( 7-3/8 x 19-1/2 x 10-3/16inch) .
Revel M8 SP2 is 388mm narrower and 141mm less deeper than Revel Concerta2 C25 but it is also 109mm taller.
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 Revel M8 SP2 is approximately 127.4cm2 / 19.7inch2 and base area of the Revel Concerta2 C25 is approximately 1284.6cm2 / 199.1inch2. The M8 SP2 requires 90% less surface area than the Revel Concerta2 C25 which gives it a small advantage on placement in tight spaces.
What's in the Box of Revel M8 SP2?
Here are the items that are included inside the box of M8 SP2:
2 Satellite loudspeakers2 Wall-brackets4 Wall-mount end-caps2 Rubber foot padsHex-keyOwners Manual
What's in the Box of Revel Concerta2 C25?
Here are the items that come with the Revel Concerta2 C25:
Center-channel loudspeaker Grille 2 Short feet 2 Long feet Owners Manual
Max Input Power 
Nominal Impedance 
High Frequency Response 
Mounting Bracket 
Base Surface Area 
Price per pair* 
Sensitivity 
Woofer Size 
Height