In this review, we will be comparing Opticon 6 MK2 and Oberon 9, two Passive Floor-standing speakers by DALI Let's have a brief look at the main features
of DALI Opticon 6 II and DALI Oberon 9 first before getting into our more
detailed comparison.
What size room are the DALI Opticon 6 II and DALI Oberon 9 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 DALI Opticon 6 II and DALI Oberon 9 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
Both Opticon 6 MK2 and Oberon 9 are 3-way speakers.
| Driver |
DALI Opticon 6 II |
DALI Oberon 9 |
|
Driver Setup
|
3-way
|
3-way
|
|
Tweeter
|
17 x 45 mm ribbon + 1.125-inch
|
1.125-inch
|
|
Midrange
|
- |
1 x 7-inch |
|
Woofer
|
2 x 6.5-inch
|
2 x 9-inch
|
Opticon 6 MK2 features a 17 x 45 mm ribbon + 1.125" Soft-dome + ribbon Hybrid Tweeter and 2 x 6.5" Wood Fiber Woofer with a Crossover frequency at 800Hz, 2200Hz and 14,000Hz. On the other hand, the Oberon 9 features a 1.125" Soft-Dome Tweeter , a 7" Midrange and 2 x 9" Wood Fiber Woofer with a Crossover frequency at 780Hz and 3400Hz.
Frequency Response
Opticon 6 MK2 has a frequency range of 49-30k Hz whereas Oberon 9 has a frequency range of 35-26k Hz. With a minimum frequency of 35Hz, the Oberon 9 can go significantly deeper on the low side and provide stronger bass compared to the Opticon 6 MK2's min frequency of 49Hz.
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 Floor-standing class in our database.
Low Frequency
Floor-standing Speakers
High Frequency
Floor-standing 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
Opticon 6 MK2 and Oberon 9 have the same Impedance of 4 ohms but where they differ is the sensitivity levels. Opticon 6 MK2 sensitivity is rated at 88 dB and the Oberon 9's is at 90.5 dB. This 3 dB difference makes the DALI Oberon 9 a more sensitive speaker compared to DALI Opticon 6 II, hence will play louder with the same amount of watts.
One thing to keep in mind that the lower impedance speakers, especially the ones that are rated at 4 ohms may put more pressure on the amplifier unit comared to higher impedance speakers especially at high volume levels, so make sure the amp you pair with the Opticon 6 MK2 and the Opticon 6 MK2 can provide this impedance level.
Sensitivity
Floor-standing 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.
Opticon 6 MK2 can handle a max power of 400 watts RMS from the amp the whereas Opticon 6 MK2 has a max power handling value of 200 watts RMS , 200 watts less than the Oberon 9.
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
Opticon 6 MK2 features Post posts which make bi-amping or bi-wiring possible. Oberon 9 has a Post which doesn't feature bi-amping/bi-wiring.
DALI Opticon 6 II's Post terminals allows Bi-amping or bi-wiring
DALI Oberon 9's Post terminals
Cabinet Type and Port Position
Both Opticon 6 MK2 and Oberon 9 have rear firing ports. Rear ported speakers generally need more room between the backside of the speaker and the wall compared to sealed and front/bottom ported speakers. Placing the speakers too close to the walls may cause the bass to sound boomy.
If you are limited in space and can't get the speakers away from the backwall, check our Speakers with Front Firing Ports page.
DALI Opticon 6 II 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 DALI Opticon 6 II's and DALI Oberon 9's external dimensions. DALI Opticon 6 II has external dimensions of 1010.0 x 195.0 x 340.0mm ( 39-3/4 x 7-5/8 x 13-3/8inch) whereas DALI Oberon 9 has external dimensions of 1172.0 x 260.0 x 407.0mm ( 46-1/8 x 10-1/4 x 16inch) .
DALI Oberon 9 is clearly the larger of the two speakers. Its body is 65mm wider, 162mm taller and 67mm deeper than DALI Opticon 6 II.
Below you can see the front view size comparison of DALI Opticon 6 II and DALI Oberon 9 in scale.
Comparison image of DALI Opticon 6 II and DALI Oberon 9 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 DALI Opticon 6 II is approximately 663.0cm2 / 102.8inch2 and base area of the DALI Oberon 9 is approximately 1058.2cm2 / 164.0inch2. The Opticon 6 MK2 requires 37% less surface area than the Oberon 9 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 DALI Opticon 6 II weighs 19.30kg / 42.5lbs and the DALI Oberon 9 weighs 37.10kg / 81.6lbs. This makes the Oberon 9 92% heavier than the Opticon 6 MK2.
Here is a comparison of how Opticon 6 MK2 and Oberon 9's weights compare with the average, max and min weights in Passive Floor-standing class.
Weight
All Floor-standing Speakers
What's in the Box of DALI Opticon 6 II?
Here are the items that are included inside the box of Opticon 6 MK2:
Floorstanding loudspeakerGrille2 Binding post jumpers (pre-installed)4 Outrigger feet4 Spikes (with lock nuts)4 Rubber pads4 ScrewsHex-keyWrenchQuick Start GuideCongratulations Card
What's in the Box of DALI Oberon 9?
Here are the items that come with the Oberon 9:
Floorstanding loudspeakerGrille4 Rubber feet4 Spike-feet4 Hex-nutsManua
 High Frequency Response |
30k Hz
vs
26k Hz
|
Generates higher frequency |
 Bi-Amping and Bi-Wiring |
Yes
vs
No
|
Allows bi-amping and bi-wiring connections |
 Height |
1010mm
vs
1172mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
663cm2 (195x340mm)
vs
1058cm2 (260x407mm)
|
Takes less floor space |
 Max Input Power |
400 watts
vs
200 watts
|
Handle more power from your amplifier |
 Sensitivity |
91 dB
vs
88 dB
|
Play louder with same amount of amplification power |
 Woofer Size |
9 inches
vs
6.5 inches
|
Larger woofer |
| Low Frequency Response |
35 Hz
vs
49 Hz
|
Generates deeper bass |
| General |
DALI Opticon 6 MK2 |
DALI Oberon 9 |
| Brand |
DALI |
DALI |
| Speaker Type |
Floor-standing speaker |
Floor-standing speaker |
| Power Range |
25-200 watts |
50-400 watts |
| Sensitivity |
88 dB |
90.5 dB |
| Impedance |
4 ohms |
4 ohms |
| Frequency Response |
49-30k Hz |
35-26k Hz |
Drivers |
|
|
| Woofer Quantity |
2 |
2 |
| Woofer Size |
6.5" |
9" |
| Woofer Composition |
Wood Fiber |
Wood Fiber |
| Woofer Surround Material |
Rubber |
Rubber |
| Tweeter Size |
17 x 45 mm ribbon + 1.125" |
1.125" |
| Tweeter Type |
Soft-dome + ribbon Hybrid |
Soft-Dome |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
7" |
| Crossover Frequency |
800Hz, 2200Hz and 14,000Hz |
780Hz and 3400Hz |
| Firing Direction |
rear |
rear |
Physical Specs |
|
|
| Height |
1010.0mm (39.8") |
1172.0mm (46.1") |
| Width |
195.0mm (7.7") |
260.0mm (10.2") |
| Depth |
340.0mm (13.4") |
407.0mm (16") |
| Weight |
19.30kg (42.5lbs) |
37.10kg (81.6lbs) |
| Enclosure |
Bass Reflex |
Bass Reflex |
| Finish |
MDF/Wood-grain vinyl |
MDF/Wood-grain vinyl |
| Available Colors |
Satin Black, Tobacco Oak, Satin White |
Black Ash, Light Oak, Dark Walnut, White |
| 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 |