In this review, we will be comparing two different type of speakers . Cambridge Audio SX-70 is a Center Channel speaker whereas the Debut 2.0 B6.2 is a Bookshelf speaker.
Let's have a brief look at the main features
of Cambridge Audio SX-70 and ELAC Debut 2.0 B6.2 first before getting into our more
detailed comparison.
In the following sections, we will get into more detail in order to better understand how the Cambridge Audio SX-70 and ELAC Debut 2.0 B6.2 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 SX-70 and Debut 2.0 B6.2 are 2-way speakers.
| Driver |
Cambridge Audio SX-70 |
ELAC Debut 2.0 B6.2 |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
1-inch
|
1-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
2 x 4-inch
|
1 x 6.5-inch
|
SX-70 features a 1" Silk dome Tweeter and 2 x 4" treated-paper Woofer . On the other hand, the Debut 2.0 B6.2 features a 1" Cloth Soft-Dome Tweeter and 1 x 6.5" Woven Aramid-Fiber Woofer with a Crossover frequency at 2200Hz.
Frequency Response
SX-70 has a frequency range of 65-22k Hz whereas Debut 2.0 B6.2 has a frequency range of 44-35k Hz. With a minimum frequency of 44Hz, the Debut 2.0 B6.2 can go significantly deeper on the low side and provide stronger bass compared to the SX-70's min frequency of 65Hz.
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
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
SX-70 is a 8 ohms speaker compared to the Debut 2.0 B6.2 which has a nominal impedance of 6 ohms.
These two speakers also have different sensitivity levels. SX-70 sensitivity is rated at 85 dB and the Debut 2.0 B6.2's is rated at 87 dB. This 2 dB difference makes the ELAC Debut 2.0 B6.2 a more sensitive speaker compared to Cambridge Audio SX-70, 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.
SX-70 can handle a max power of 120 watts RMS from the amp the whereas SX-70 has a max power handling value of 100 watts RMS , 20 watts less than the Debut 2.0 B6.2.
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
SX-70 features 5-Way post type posts and Debut 2.0 B6.2 has a 5-Way post type posts. None of these speakers feature bi-amping/bi-wiring.
ELAC Debut 2.0 B6.2'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 Cambridge Audio SX-70's and ELAC Debut 2.0 B6.2's external dimensions. Cambridge Audio SX-70 has external dimensions of 139.0 x 362.0 x 248.0mm ( 5-7/16 x 14-1/4 x 9-3/4inch) whereas ELAC Debut 2.0 B6.2 has external dimensions of 375.0 x 195.0 x 268.0mm ( 14.7 x 7.6 x 10.5inch) .
Cambridge Audio SX-70 is 236mm shorter and 20mm less deeper than ELAC Debut 2.0 B6.2 but it is also 167mm 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 Cambridge Audio SX-70 is approximately 897.8cm2 / 139.2inch2 and base area of the ELAC Debut 2.0 B6.2 is approximately 522.6cm2 / 81.0inch2. The SX-70 requires 72% more surface area than the Debut 2.0 B6.2 which gives it a small disadvantage on placement in tight spaces.
What's in the Box of Cambridge Audio SX-70?
Here are the items that are included inside the box of SX-70:
Center-channel loudspeakerGrille4 Self-adhesive rubber feetInstallation Guide
What's in the Box of ELAC Debut 2.0 B6.2?
Here are the items that come with the Debut 2.0 B6.2:
2 Bookshelf loudspeakers2 GrillesOperating Instructions