In this review, we will be comparing Platinum C250 3G and Kanta Center, two Passive Center Channel speakers from Monitor Audio and Focal.
Let's have a brief look at the main features
of Monitor Audio Platinum C250 3G and Focal Kanta Center first before getting into our more
detailed comparison.
| Key Specs | Monitor Audio Platinum C250 3G | Focal Kanta Center |
|---|
| Design | 3-way | 2-way |
|---|
| Tweeter | 1" | 1.1" Hard-Dome |
|---|
| Midrange | 2.5" | — |
|---|
| Woofer | 2 x 5" RDT III | 2 x 6.5" flax cone with TMD (Tuned Mass Damping) suspension |
|---|
| Frequency response | 30-60k Hz | 55-44k Hz |
|---|
| Sensitivity | 88dB | 92 dB |
|---|
| Impedance | 4 ohms | 8 ohms |
|---|
| Power range | up to 300 watts | 40-200 watts |
|---|
| Weight | 25.40kg / 55.9lbs | 18.00kg / 39.6lbs |
|---|
| Dimensions (H x W x D) | 8.8" x 24.8" x 12.8"
225 x 630 x 325.7 mm | 9-11/16" x 22-1/8" x 15-1/2"
247.0 x 562.0 x 394.0mm |
|---|
What size room are the Monitor Audio Platinum C250 3G and Focal Kanta Center 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* |
Monitor Audio Platinum C250 3G |
Focal Kanta Center |
| Near-field |
Poor |
Poor |
| Small Room |
Poor |
Average |
| Mid-size Room |
Good |
Good |
| Large Room |
Good |
Average |
| Very Large Room |
Average |
Poor |
(* 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.)
The sections below take each area in turn: drivers, frequency response, physical size and what you get in the box.
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Drivers
One of the fundamental differences between these two speakers is that Platinum C250 3G is a 3-way design whereas the Kanta Center is a 2-way speaker. 3-way designs utilize a midrange driver in addition to the tweeter and woofer on 2-way designs. Designing a crossover for a 3-way speaker is a complicated process and generally increases the overall cost of the speaker.
Monitor Audio Platinum C250 3GFocal Kanta Center
TweeterMidrangeWoofer
Front view, drawn to scale - cabinets and drivers share one scale, so sizes are directly comparable. Hover a driver for its size.
| Driver |
Monitor Audio Platinum C250 3G |
Focal Kanta Center |
|
Driver Setup
|
3-way
|
2-way
|
|
Tweeter
|
1-inch
|
1.1-inch
|
|
Midrange
|
1 x 2.5-inch |
- |
|
Woofer
|
2 x 5-inch
|
2 x 6.5-inch
|
Platinum C250 3G features a 1" MPD III Tweeter, a 2.5" Midrange and 2 x 5" RDT III Woofer with a Crossover frequency at 850 Hz - 3500 Hz. On the other hand, the Kanta Center features a 1.1" IAL3 Beryllium Hard-Dome Tweeter and 2 x 6.5" flax cone with TMD (Tuned Mass Damping) suspension Woofer with a Crossover frequency at 2400 Hz.
Frequency Response
Platinum C250 3G has a frequency range of 30-60k Hz whereas Kanta Center has a frequency range of 55-44k Hz. With a minimum frequency of 30Hz, the Platinum C250 3G can go significantly deeper on the low side and provide stronger bass compared to the Kanta Center's min frequency of 55Hz.
The graph below depicts how these two speakers compare with the max, min and average Low Frequency values of other speakers in the Center Channel class in our database.
Low Frequency
Center Channel Speakers
Neither pair reaches down to 20Hz, the usual definition of full-range, which is normal for speakers of this size. If you want the bottom octave for movies or bass-heavy music, add a subwoofer to whichever you choose. Visit our Powered Subwoofers section to find out more about the available options.
Impedance and Sensitivity
Platinum C250 3G is a 4 ohms speaker compared to the Kanta Center which has a nominal impedance of 8 ohms. Lower impedance speakers, especially the ones that are rated at 4 ohms may put more pressure on the amplifier unit especially when played at high volume levels, so make sure the amp you pair with the Platinum C250 3G can provide this impedance level.
These two speakers also have different sensitivity levels. Platinum C250 3G sensitivity is rated at 88dB and the Kanta Center's is rated at 92 dB. This 4 dB difference makes the Focal Kanta Center a more sensitive speaker compared to Monitor Audio Platinum C250 3G, hence will play louder with the same amount of watts.
Sensitivity
Center Channel Speakers
Power Range
Power
range is the range of input power in watts RMS that a loudspeaker is designed to handle. Staying
within that range gives nominal performance; driving the speaker beyond its maximum wattage can damage it.
Platinum C250 3G can handle a max power of 300 watts RMS, whereas Kanta Center has a max power handling value of 200 watts RMS, 100 watts less than the Platinum C250 3G.
Note that higher power handling does not make a speaker louder: that depends mainly on
sensitivity and impedance. The calculator below shows how loud each of these actually plays
on a real amplifier.
Which plays louder on your amplifier?
Starting with a popular amplifier — change it to the one you own, or any you are
considering, and watch both numbers move.
Monitor Audio Platinum C250 3G
Input Type and Bi-Amping / Bi-Wiring
Platinum C250 3G features Binding post posts which make bi-amping or bi-wiring possible. Kanta Center has a Binding post which doesn't feature bi-amping/bi-wiring.
Monitor Audio Platinum C250 3G's Binding post terminals allows Bi-amping or bi-wiring
Focal Kanta Center's Binding post terminals
Monitor Audio Platinum C250 3G Port
Physical Specs
The size of a speaker can sometimes be an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Monitor Audio Platinum C250 3G's and Focal Kanta Center's external dimensions. Monitor Audio Platinum C250 3G has external dimensions of 225 x 630 x 325.7 mm (8.8 x 24.8 x 12.8-inch) whereas Focal Kanta Center has external dimensions of 247.0 x 562.0 x 394.0mm (9-11/16inch x 22-1/8inch x 15-1/2inch).
Monitor Audio Platinum C250 3G is 22mm shorter and 68mm less deeper than Focal Kanta Center but it is also 68mm wider.
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 Monitor Audio Platinum C250 3G is approximately 2053.8cm2 / 318.3inch2 and base area of the Focal Kanta Center is approximately 2214.3cm2 / 343.2inch2. The Platinum C250 3G requires 7% less surface area than the Kanta Center which gives it a small advantage on placement in tight spaces.
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 Monitor Audio Platinum C250 3G weighs 25.40kg / 55.9lbs and the Focal Kanta Center weighs 18.00kg / 39.6lbs. This makes the Platinum C250 3G 41% heavier than the Kanta Center.
Here is a comparison of how Platinum C250 3G and Kanta Center's weights compare with the average, max and min weights in Passive Center Channel class.
Weight
All Center Channel Speakers
Monitor Audio Platinum C250 3G
What's in the Box of Focal Kanta Center?
Here are the items that come with the Kanta Center:
- Center-channel loudspeaker
- 2 Grilles
- 4 Slicone pads
- User Manual
 Max Input Power |
300 watts
vs
200 watts
|
Handle more power from your amplifier |
 Driver Setup |
3-way
vs
2-way
|
Have a dedicated mid-range driver |
 Minimum Impedance |
4 ohms
vs
3.5 ohms
|
Very low impedance levels puts more pressure on amplifier |
 Low Frequency Response |
30 Hz
vs
55 Hz
|
Generates deeper bass |
 High Frequency Response |
60k Hz
vs
44k Hz
|
Generates higher frequency |
 Bi-Amping and Bi-Wiring |
Yes
vs
No
|
Allows bi-amping and bi-wiring connections |
 Height |
225mm
vs
247mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
2053cm2
vs
2214cm2
|
Takes less floor space |
 Sensitivity |
92 dB
vs
88 dB
|
Play louder with same amount of amplification power |
 Nominal Impedance |
8 ohms
vs
4 ohms
|
Less selective with amplifiers |
|
Woofer Size |
6.5 inches
vs
5 inches
|
Larger woofer |
 Price per pair* |
3999USD
vs
5900USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
Monitor Audio Platinum C250 3G |
Focal Kanta Center |
| Brand |
Monitor Audio |
Focal |
| Speaker Type |
Center channel speaker |
Center channel speaker |
| Power Range |
up to 300 watts |
40-200 watts |
| Sensitivity |
88dB |
92 dB |
| Impedance |
4 ohms |
8 ohms |
| Impedance |
4 ohms |
3.5 ohms |
| Frequency Response |
30-60k Hz |
55-44k Hz |
Drivers |
|
|
| Woofer Quantity |
2 |
2 |
| Woofer Size |
5" |
6.5" |
| Woofer Composition |
RDT III |
flax cone with TMD (Tuned Mass Damping) suspension |
| Woofer Surround Material |
n/a |
Rubber |
| Tweeter Size |
1" |
1.1" |
| Tweeter Type |
n/a |
Hard-Dome |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
2.5" |
No |
| Crossover Frequency |
850 Hz - 3500 Hz |
2400 Hz |
| Firing Direction |
n/a |
rear |
Physical Specs |
|
|
| Height |
225.0mm (8.9") |
247.0mm (9.7") |
| Width |
630.0mm (24.8") |
562.0mm (22.1") |
| Depth |
326.0mm (12.8") |
394.0mm (15.5") |
| Weight |
25.40kg (55.9lbs) |
18.00kg (39.6lbs) |
| Enclosure |
Acoustic Suspension |
Bass Reflex |
| Finish |
n/a |
Multi-ply/Polymer/Veneer |
| Available Colors |
Piano Black, Piano Ebony, Satin White |
High-Gloss Carrara White,High-Gloss Black/Deep Black,Matte Walnut/Dark Grey,Matte Walnut/Ivory |
| Grille |
n/a |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
| Biamp Inputs |
Yes |
No |
Other |
|
|
| Parts Warranty |
5 Years |
5 Years |
| Labor Warranty |
5 Years |
5 Years |
No single best speaker here - they are built to different priorities, and the right one depends on your room, your amplifier and what you listen to.
| Area | Better | Why |
|---|
| Bass |
A |
Monitor Audio Platinum C250 3G digs deeper - 30Hz against 55Hz. |
| Amplifier needs |
B |
Focal Kanta Center is more sensitive (92dB vs 88dB), so it goes louder on the same amplifier. |
| Amplifier match |
B |
Focal Kanta Center is the easier load at 8 ohms; the other is 4 ohms and wants an amplifier rated for it. |
| Headroom |
A |
Monitor Audio Platinum C250 3G takes more power (300W vs 200W) - more in hand in a big room. |
| Size |
depends |
Similar cabinet size - neither is easier to fit. |
| Cabinet |
depends |
Sealed vs Ported. Sealed is tighter and happier near a wall; ported digs lower but wants space behind it. |
| Expandability |
A |
Monitor Audio Platinum C250 3G: bi-amping. |
| Price |
B |
Focal Kanta Center is cheaper - $3,999 against $5,900, about 32% less. |
A Monitor Audio Platinum C250 3G
B Focal Kanta Center
depends neither is better in the abstract - it turns on your room, placement or how you will use them.
Only specs published for both speakers are judged; anything missing on either side is left out rather than guessed.
Which should you choose?
Monitor Audio Platinum C250 3G is ahead, but only on 1 of the measured areas, and it costs about 32% more. That is a lot of money for a narrow margin on paper - Focal Kanta Center looks like the sensible buy unless something else about the Monitor Audio Platinum C250 3G appeals to you. If a subwoofer is in your plans, the bass gap largely stops mattering - you would be crossing over above 55Hz anyway, which makes the cheaper Focal Kanta Center much easier to justify. Match it to your room: we rate Monitor Audio Platinum C250 3G the better fit for a large room and a very large room, and Focal Kanta Center for a small room.
And remember what a spec sheet cannot show: how each looks in your room and whether the finish suits it, what dealer support and warranty are like where you live, and how they actually sound to you. If you can hear them first - ideally with your own music - that will tell you more than any number above.