In this review, we will be comparing Reva 1 and Q150, two Passive Bookshelf speakers from Wharfedale and KEF. Let's have a brief look at the main features
of Wharfedale Reva 1 and KEF Q150 first before getting into our more
detailed comparison.
What size room are the Wharfedale Reva 1 and KEF Q150 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:
In the following sections, we will get into more detail in order to better understand how the Wharfedale Reva 1 and KEF Q150 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 Reva 1 and Q150 are 2-way speakers.
| Driver |
Wharfedale Reva 1 |
KEF Q150 |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
1-inch
|
1-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
1 x 4.5-inch
|
1 x 5.25-inch
|
Reva 1 features a 1" woven textile Dome Tweeter and 1 x 4.5" Woven Glass Fiber Woofer . On the other hand, the Q150 features a 1" vented aluminum Dome Tweeter and 1 x 5.25" Aluminum Woofer with a Crossover frequency at 2500Hz.
Frequency Response
Reva 1 has a frequency range of 52-20k Hz whereas Q150 has a frequency range of 51-28k Hz. With a minimum frequency of 51Hz, the Q150 can go slightly deeper then the Reva 1's min frequency of 52Hz.
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 Bookshelf class in our database.
Low Frequency
Bookshelf Speakers
High Frequency
Bookshelf 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
Reva 1 and Q150 have the same Impedance of 8 ohms and their sensitivity is also same at 86 dB.
Sensitivity
Bookshelf 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.
Reva 1 can handle a max power of 100 watts RMS from the amp the whereas Reva 1 has a max power handling value of 60 watts RMS , 40 watts less than the Q150.
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
Reva 1 features Post posts which make bi-amping or bi-wiring possible. Q150 has a Post which doesn't feature bi-amping/bi-wiring.
Wharfedale Reva 1's Post terminals allows Bi-amping or bi-wiring
KEF Q150's Post terminals
Cabinet Type and Port Position
Reva 1 has a bottom firing port whereas Q150 has a rear firing ports. Wharfedale Reva 1's bottom-firing port gives more flexibility in placement in regards to proximity to walls compared to KEF Q150 with its rear-firing port.
KEF Q150 Port
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 Wharfedale Reva 1's and KEF Q150's external dimensions. Wharfedale Reva 1 has external dimensions of 318.0 x 174.0 x 285.0mm ( 12-1/2 x 6-13/16 x 11-3/16inch) whereas KEF Q150 has external dimensions of 303.0 x 180.0 x 278.0mm ( 11.9 x 7.0 x 10.9inch) .
KEF Q150 is 15mm shorter and 7mm less deeper than Wharfedale Reva 1 but it is also 6mm wider.
Below you can see the front view size comparison of Wharfedale Reva 1 and KEF Q150 in scale.
Comparison image of Wharfedale Reva 1 and KEF Q150 Size and External Dimensions
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 Wharfedale Reva 1 is approximately 495.9cm2 / 76.9inch2 and base area of the KEF Q150 is approximately 500.4cm2 / 77.6inch2. The Reva 1 requires 1% less surface area than the Q150 which gives it a small advantage on placement in tight spaces.
Here is an another comparison that shows both speakers on a BDI Octave Media Cabinet, next to a standard size amplifier and turntable in scale:
Size Comparison image of Wharfedale Reva 1 and KEF Q150 on a Media Console
Weight Comparison The weight of a loudspeaker can become an important factor if you need to move and reposition the unit often. Weight of a speaker can also "sometimes" be an indicator of the rigidity of the enclosure and the quality of the internal components used. The Wharfedale Reva 1 weighs 5.64kg / 12.4lbs and the KEF Q150 weighs 5.60kg / 12.3lbs. This makes the Reva 1 1% heavier than the Q150.
Here is a comparison of how Reva 1 and Q150's weights compare with the average, max and min weights in Passive Bookshelf class.
Weight
All Bookshelf Speakers
What's in the Box of Wharfedale Reva 1?
Here are the items that are included inside the box of Reva 1:
2 Bookshelf loudspeakers2 Grilles (pre-installed)8 Self-adhesive rubber feet4 Jumper bars (pre-installed)Pair of white glovesUser-feets Manual
What's in the Box of KEF Q150?
Here are the items that come with the Q150:
2 Bookshelf loudspeakers 2 Foam port plugs 8 Self-adhesive rubber feet Owner's Manual Warranty Registration Card
 Bi-Amping and Bi-Wiring |
Yes
vs
No
|
Allows bi-amping and bi-wiring connections |
 Base Surface Area |
495cm2 (174x285mm)
vs
500cm2 (180x278mm)
|
Takes less floor space |
 Max Input Power |
100 watts
vs
60 watts
|
Handle more power from your amplifier |
 Woofer Size |
5.25 inches
vs
4.5 inches
|
Larger woofer |
| Low Frequency Response |
51 Hz
vs
52 Hz
|
Generates deeper bass |
 High Frequency Response |
28k Hz
vs
20k Hz
|
Generates higher frequency |
 Height |
303mm
vs
318mm
|
Easier to fit in smaller spaces |
| General |
Wharfedale Reva 1 |
KEF Q150 |
| Brand |
Wharfedale |
KEF |
| Speaker Type |
Bookshelf speakers |
Bookshelf speakers |
| Power Range |
20-60 watts |
10-100 watts |
| Sensitivity |
86 dB |
86 dB |
| Impedance |
8 ohms |
8 ohms |
| Impedance |
n/a |
3.7 ohms |
| Frequency Response |
52-20k Hz |
51-28k Hz |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
4.5" |
5.25" |
| Woofer Composition |
Woven Glass Fiber |
Aluminum |
| Woofer Surround Material |
Rubber |
Rubber |
| Tweeter Size |
1" |
1" |
| Tweeter Type |
Dome |
Dome |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Crossover Frequency |
n/a |
2500Hz |
| Firing Direction |
bottom |
rear |
Physical Specs |
|
|
| Height |
318.0mm (12.5") |
303.0mm (11.9") |
| Width |
174.0mm (6.9") |
180.0mm (7.1") |
| Depth |
285.0mm (11.2") |
278.0mm (10.9") |
| Weight |
5.64kg (12.4lbs) |
5.60kg (12.3lbs) |
| Enclosure |
Bass Reflex |
Bass Reflex |
| Finish |
Wood composite laminate |
MDF/Vinyl-wrapped |
| Available Colors |
Walnut |
Black, Walnut, White |
| Mounting Bracket |
No |
No |
| Recommended Stand Height |
28-30" |
18-24" |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
| Biamp Inputs |
Yes |
No |
Other |
|
|
| Parts Warranty |
5 Years |
5 Years |
| Labor Warranty |
5 Years |
5 Years |