DB Technologies DVA S09 sub vs RCF 905AS sub.m4v

Mini review of the RCF 905AS or RCF 905 AS subwoofer and the DB Technologies DVA S09 subwoofer.

Speakers are sometimes judged on youtube by how the sound is in the video. Of course there are far too many variables involved in testing gear this way, and there is simply no substitute for actually physically standing in front of equipment and listening for yourself, but i've got 15 years experience in sound and sound pressure levels, so i'll try and explain what the gear is like as quickly and concisely as possible in case you're contemplating decisions similar to those i've had to make when investing in my own gear.

I'm new to doing reviews and i'm sure i've got a lot to learn, but if you have a constructive comment or criticism then i am all ears. I'll try and answer questions when i can as well.

Category:

People & Blogs

Tags:

• sub
• DB Technologies
• RCF
• Subwoofer review
• DurhamEvents
• www.durhamevents.co.uk
• DVA S09
• RCF 905AS

[DurhamEvents]

Good points LandroverTeun, all correct. I couldn't remember what the damn plugs were called on the back of the DB unit, you're right having 2 of them is a gr8 feature & safer. Plus, regarding MH placement you are also completely right, i was actually demo'ing comb filtering to a friend on this day hence the setup...! I'll try harder next time.

[inhousefilms]

great comparison video, really helpful.

[surferjc]

today i did a little comparison test between the DVAS10 18" model vs the RCF 905AS just to see how they all got on and can report that the 18" cabinet from dB is a significant step up in performance over the smaller RCF number. In fact having heard the single 18" RCF TT18A cab i would suggest that as long as u don't mind the handle configuration on the dB unit there's no point spending the extra money on the TT gear.

[rorybz]

Aren't RCF and DB Technologies the same company? I thought DB Technologies had actually purchased RCF some time ago, and they've been in the process of appropriating RCF's design know-how to the DB Technologies products. It should probably be no surprise, then, that it's a dead heat.

[olyansincs]

Change the logo between the woofers and the sound will change too. :) - Tested on patients. btw: the dB has power-con cable. And both come from the same sparkle and same designlab. Different shape, different use. The DB goes for live open-air gigs, the 905 for small clubs. Oh, and what's your neighbor's oppinion? Which one is louder?

[somapparatus]

tanks, gracies

[LandRoverTeun]

That isn't speakon on the dBtech, but Powercon. That is one HUGE difference, especially for the safett of your viewers. Besides that, the dBTech has two powercon out's; so you have TWO power-out's. You mentioned the power-out on the rcf, but not on the dBtech. Another thing: positioning your MH's this way will creacte combfilters.

Besides this all, cool video and two products that are really worthy to compare!

[TurbulentMethods]

@surferjc

They're definately good subs for their size. I menationed 20-30hz because in the video the guy said low bass and in reality proper low sub bass in below 30hz, so that's why I mentioned it. Spl wise, yeah no companies actually quote their spl output as being C weighted or what not, but some companies do quote their measured continuous spl output. You shouldn't ever take peak spl specs as serious unless it's a measured peak spl because most subs can't output what the peak spl specs say

[surferjc]

@TurbulentMethods additionally, i doubt that any1 looking at these subs is interested in producing 20- 30 Hz as they would probably (like myself) have to buy a bigger car or van to put their system in. For me, these represent the most powerful bins i can easily fit in an estate car with 2 powerful tops, a pair of flightcased CDJs & a small light rig ie a DJ rig, not a 5000 person outdoor event touring rig! Again, why even mention 20- 30 hz when both boxes don't even cover those frequencies?

[surferjc]

@TurbulentMethods neither box quotes their output on slow response or C weighted figures, as is the case of almost all speaker manufacturers from Funktion One or EAW right through to Void or d&b. Transient response is also an important factor to consider and using C weighted measurement would negate the differences these two cabinets exhibit, but if you want to try and come across all 'high and mighty' then please continue. The power rating does have an impact but of course is only 1 factor.