dbx Quantum

dbx Quantum

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Quantum, Studio multiband compressor from dbx.

3 user reviews
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dbx Quantum tech. sheet

  • Manufacturer: dbx
  • Model: Quantum
  • Category: Studio multiband compressors
  • Added in our database on: 02/03/2009

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dbx Quantum user reviews

Average Score:5.0( 5/5 based on 3 reviews )
 3 reviews100 %

ericthegreat's review"great for all types of applications "

dbx Quantum
The DBX Quantum is a dual channel compressor made with all class A circuits that has XLR connections for both channels and is a rack mountable unit that will take up two rack spaces.


The configuration of the DBX Quantum is very easy to follow as it has the basic parameters that you usually see on compressors. The large knobs control threshold and compression, and has smaller knobs for release and attack. There are also a series of buttons on each channel for controlling a variety of options including what shows up on your meter. I don't have a the manual for the Avalon AD2044, but it really isn't necessary as I'm assuming if you are using a top notch piece of gear like this you have used a basic compressor before.


The sound quality of the DBX Quantum is really great for all types of applications, as I have used this on everything from drums to vocals. It has a great deal of warmth to it that is not often found on most compressors. It has enough parameters on it to make sure that you can easily zero in on the sound that you are looking for. This compressor really can do it all and is an extremely versatile piece of gear. In addition to all sorts of drums including kick drum, snare drum, and tom toms, I've used the Avalon DBX Quantum on both male and female vocals, as well as for electric and acoustic guitars, bass guitar, and is desirable for just about any instrument you can think of...


I've been using the DBX Quantum for about a year and its become one of my favorite compressors to use whenever I have the chance to use it. Its great to have two high quality compressors in one casing that are both versatile and easy to use. The price of the DBX Quantum is pretty expensive, but Avalon makes high end gear for professionals looking for top notch quality regardless of the price. Overall, the quantum is a truly great compressor that should be tried by all professional engineers.

fdevil's review (This content has been automatically translated from French)

dbx Quantum
Mastering effect (modes mastering, mixing and tracking)
Input / Output numriques (24/96) and analog
ditable wordclock connections, AES / EBU, SPDIF, analog, noon


There are presets really well done and a way to help the configuration wizard ...


The quality is top! I take a big hit in relief in my mix gnral!


compared with a TC Finalizer Express for example, is above the Tagus a machine! Dfine is the sound (it works on 4-band compression paramtriques instead of 3 on the finalizer and 5 in qualisation ...)! In short it is a gem!

screem's review (This content has been automatically translated from French)

dbx Quantum
96kHz, 24-bit A / D, D / A and Digital I / O on AES / EBU or S / PDIF

• 48-bit internal signal path for INcreased head room and low level resolution

• Type IV ® A / D Conversion system with TSE

• 4-band stereo compressor-gate-limited

• 5-band EQ - Hi and Lo shelves, 3-band fully parametric

• Normalizer-lets you control list overall signal dynamics

• Stereo-control adjust your stereo image

• Sync input / output using dbx's ® proprietary clock chips for Own Extremely low jitter sync

• Dither outputs to 16, 20, or 24 bits.

• Sample rate conversion.


Use parrait tricky at first but if found quickly enough. 1/2/3/4 compressor that is edited, the same for four limiters, and four gates.
User preset mode a bit complicated to understand.
French manual clear but relatively short compared to potenteil this huge rack.


This rack is very very good, you found a mix dramatically. Then c must be on the ear is back in the settings but really it's worth it. The result is professional.
The setting of a compressor is never simple and there are 4 to settle, I start from a preset and I refine the settings. (Same for gates and limiters)
J aime bcp the stereo expander must be the same s used in small doses, 5-band EQ para! corrects well.
The DBX + c is the function that TSE can boost the gain without saturating, to summarize it goes very very strong in the Beast, a treat and you can also choose to come out strong, even stronger than to ring + CDs trade!


I have never tried the TC Finalizer, I think have 2 machines with very close even when bands + for quatum, then so much has to take the Quantum.
It pleases me well. I just think the supplement with a limiter or a lamp analog EQ is there will be a really big killing.
The price / quality ratio is exceptional in OCCAZ. I do not really regret this purchase before j had tried Izotope Ozone, I had an OK but not really mix potato c was quite flat, (the thing that makes much regret the plugins).
The quatum c is power and I have 10 + very soon the result I want.

Updated 06/2007
After having tried an Avalon VT747sp I confirm that these two machines are the opposite. Surprised by the speed settings on the Avalon. Its very hot almost soft (but very good).
I can not compare + (not enough time on the Avalon) The Quantum stands up to him but it is complex, it must go dedant.

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