In this review, we will be comparing Airmotiv C1+ and Bronze C150, two Passive Center Channel speakers from Emotiva and Monitor Audio .
Let's have a brief look at the main features
of Emotiva Airmotiv C1+ and Monitor Audio Bronze C150 first before getting into our more
detailed comparison.
Emotiva Airmotiv C1+ Key Specs
- 3-way Design
- 25×32 mm" folded ribbon Tweeter
- 3" Midrange
- 2 x 5.25" woven fiber cone Woofer
- 50 Hz – 28 kHz Frequency Response
- 89 dB Sensitivity
- Impedance: 4ohms
- Power Range:Up to 120watts
- Weight:8.45kg
- Dimensions (H x W x D): 197.0" x 20-1/2" x 8-1/4"( 197.0 x 521.0 x 210.0mm )
Monitor Audio Bronze C150 Key Specs
- 2-way Design
- 1" vented dome with waveguide Tweeter
- 5.25" aluminum Woofer
- 66-30k Hz Frequency Response
- 88 dB Sensitivity
- Impedance: 8ohms
- Power Range:30-120watts
- Weight:7.01kg
- Dimensions (H x W x D): 167.0" x 17-13/16" x 8-15/16"( 167.0 x 453.0 x 228.0mm )
What size room are the Emotiva Airmotiv C1+ and Monitor Audio Bronze C150 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* |
Emotiva Airmotiv C1+ |
Monitor Audio Bronze C150 |
| Near-field |
Poor |
Poor |
| Small Room |
Average |
Average |
| Mid-size Room |
Good |
Good |
| Large Room |
Average |
Average |
| Very Large Room |
Poor |
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.)
In the following sections, we will get into more detail in order to better understand how the Emotiva Airmotiv C1+ and Monitor Audio Bronze C150 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
One of the fundamental differences between these two speakers is that Airmotiv C1+ is a 3-way design whereas the Bronze C150 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.
| Driver |
Emotiva Airmotiv C1+ |
Monitor Audio Bronze C150 |
|
Driver Setup
|
3-way
|
2-way
|
|
Tweeter
|
25×32 mm-inch
|
1-inch
|
|
Midrange
|
1 x 3-inch |
- |
|
Woofer
|
2 x 5.25-inch
|
1 x 5.25-inch
|
Airmotiv C1+ features a 25×32 mm" folded ribbon Tweeter , a 3" Midrange and 2 x 5.25" woven fiber cone Woofer with a Crossover frequency at 550 Hz and 2600Hz. On the other hand, the Bronze C150 features a 1" aluminum vented dome with waveguide Tweeter and 1 x 5.25" aluminum Woofer .
Frequency Response
Airmotiv C1+ has a frequency range of 50 Hz – 28 kHz whereas Bronze C150 has a frequency range of 66-30k Hz. With a minimum frequency of 50Hz, the Airmotiv C1+ can go significantly deeper on the low side and provide stronger bass compared to the Bronze C150's min frequency of 66Hz.
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 Center Channel class in our database.
Low Frequency
Center Channel Speakers
High Frequency
Center Channel Speakers
Monitor Audio Bronze C150
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
Airmotiv C1+ is a 4 ohms speaker compared to the Bronze C150 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 Airmotiv C1+ can provide this impedance level.
These two speakers also have different sensitivity levels. Airmotiv C1+ sensitivity is rated at 89 dB and the Bronze C150's is rated at 88 dB. This 1 dB difference makes the Emotiva Airmotiv C1+ a more sensitive speaker compared to Monitor Audio Bronze C150, 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. 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.
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
Airmotiv C1+ features Binding post posts which make bi-amping or bi-wiring possible. Bronze C150 has a Binding post which doesn't feature bi-amping/bi-wiring.
Emotiva Airmotiv C1+'s Binding post terminals allows Bi-amping or bi-wiring
Monitor Audio Bronze C150's Binding 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 Emotiva Airmotiv C1+'s and Monitor Audio Bronze C150's external dimensions. Emotiva Airmotiv C1+ has external dimensions of 197.0 x 521.0 x 210.0mm ( 7-3/4 x 20-1/2 x 8-1/4inch) whereas Monitor Audio Bronze C150 has external dimensions of 167.0 x 453.0 x 228.0mm ( 6-9/16 x 17-13/16 x 8-15/16inch) .
Monitor Audio Bronze C150 is 68mm narrower and 30mm shorter than Emotiva Airmotiv C1+ but it is also 18mm deeper.
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 Emotiva Airmotiv C1+ is approximately 1094.1cm2 / 169.6inch2 and base area of the Monitor Audio Bronze C150 is approximately 1032.8cm2 / 160.1inch2. The Airmotiv C1+ requires 6% more surface area than the Bronze C150 which gives it a small disadvantage on placement in tight spaces.