AKG® BX 20 Spring Reverb
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The only AKG-licensed emulation of this one-of-a-kind spring reverb.
Introduced in the late 1960s, the AKG BX 20 reverb was a high-water mark for AKG’s esteemed engineers. An ingenious assembly of mechanical and electronic componentry, the BX 20 offered the glorious depth and color of spring reverb without any of the limitations.
The AKG BX 20 Spring Reverb plug-in for UAD-2 hardware and Apollo interfaces is exclusively endorsed by AKG Acoustics, Austria and envelops your sources in gorgeously dark, dense ambience that only spring reverb can provide.Mix with the only licensed and endorsed AKG Acoustics BX 20 reverb plug-in
Envelop instruments in dark, dense, clear ambience with original dual spring tank configuration
Harness new "plug-in only" features like stereoized A/B Tank Select, Direct signal defeat, and BX 10 Tone controls
Mix with artist presets from Patrick Carney (The Black Keys), Vance Powell (Jack White), and Jacquire King (Kings of Leon)
Take a Listen
5-Minute UAD Tips
Featuring the AKG BX 20 Spring Reverb.
Unparalleled Density
The AKG BX 20's utterly unique character makes it a versatile tool for ambience as well as tone shaping. Its sonic personality features the quick onset of a classic plate reverb, and also the natural-sounding density and diffusion of a chamber — with little of the flutter or “boing” artifacts common with other spring reverbs. Unlike other spring reverb emulations, Universal Audio's hybrid delay network/convolution design provides the only plug-in representation of this mechanically controllable, acoustic ambience system. To that end, UA obsessively emulated a “golden unit” BX 20 from legendary producer, Jon Brion.
Spring Time
The BX 20 plug-in expertly captures the hardware’s unique two-stage decay. This yields warm, organic sounds whether it’s applied on percussion, vocals, or guitars, adding a unique timbre that can make individual tracks stand out — or melt away — in your mix. Short textures are chock full of colorful depth and dimension, while longer decays are rife with lush three-dimensionality, while never washing out.
New Features, More Control
The BX 20 plug-in provides the complete sound and features of the original, plus new "Mk II" features for an expanded sound palette. Tank Select provides the exact sound of the original A/B dual tank system, but includes a “stereoized” tank A or tank B, for more balanced stereo imaging. The Direct function allows you to mute the tank's direct signal for more control and minimizing conflict with the source audio — perfect for buses. The Baxandall-type tone controls — borrowed from the smaller AKG BX 10 — offers the last bit of seasoning to tailor your reverbs.
“When I heard UA was emulating the AKG BX 20, I dared them to beat my hardware – they did it.”
– Vance Powell (Jack White, The Dead Weather, The Raconteurs)
“This is the vocal reverb sound I’ve had in my head for over 20 years. I will never mix without it again.”
– Jeff Juliano (John Mayer, Shinedown, Train)
“I used the UAD AKG BX 20 plug-in during editing sessions for the new Missy Elliott single, "Where They From," produced by Pharrell. The tone instantly cut through on the vocals and percussion.”
– Mike Larson (Pharrell Williams, Daft Punk, Snoop Dogg)
“The AKG BX 20 Spring Reverb plug-in fits into tracks in fantastically unexpected ways.”
– John Paterno (Robbie Williams, Badly Drawn Boy, Bonnie Raitt)
“What a fat sounding, vibey reverb — I've been using it on everything! Its maiden voyage was mixing a couple Don Henley tracks.”
– Jeff Balding (Taylor Swift, The Eagles, Florida Georgia Line)Watch The Reviews
Customer Reviews
F. fournot
September 24, 2020
My dear old spring reverb is back
Je les ai toutes utilisé, de l'EMT à la STOKSTRONICS et même la BX5 pour commencer. Alors, quel bonheur de retrouver 40 ans plus tard ce son à l'origine de la matière analogique......
Read MoreИ. Карасенко
September 20, 2020
Ревербератор AKG BX 20
Лучшего и качественого ревербератора AKG BX 20 нету в Мире. При его использовании очень тёплое звучание...
Read MoreP. Sullivan
August 25, 2020
Springy Spring
Great plug in I love all the different things you can do with it! I love the options to raise and lower high and low freq's too!
Read MoreM. Malinski
August 24, 2020
Best springs on the market
If you looking for one of the best spring reverb on the market, you in the right place. Natural sounding deep springs will add deph to vocals, guitars.
Read MoreE. Koch
August 18, 2020
there is no other verb like this..
i got this for a monitored tracking comfort ambiance UAD 2, but mostly because i plan on implementing it in my DAW...the godfather of all spring reverb units here, with full on...
Read More -
Parameters
Input Select, Mono/Stereo: Changes input between summed mono or stereo
Tank Select, A / B / A+B: Under stereo use, changes tank options among stereoized "A" and "B" and original "A+B" configurations
Direct, Off / On: Disables/enables the spring tank's naturally occurring direct sound component
Low Cut, Off / 80 Hz: 12 dB per octave, 80 Hz filter
Bass, ±10: Continuous tone control borrowed from the AKG BX 10, ±8 dB at 150 Hz
Treble, ±10: Continuous tone control borrowed from the AKG BX 10 ±4 dB at 5 kHz
Dry/Wet, 0 to 100%: Continuously adjusts Dry and Wet signals under insert use case
Wet Solo, Off/On: Disables/enables Wet Solo function
Predelay, 0 to 250 milliseconds: Continuously adjusts Predelay amount
Channel 1 Decay, 2 to 4.5 seconds: Continuously adjusts Channel 1 Decay time
Channel 2 Decay, 2 to 4.5 seconds: Continuously adjusts Channel 2 Decay time
Channel 1 Volume, ∞ to +24 dB: Continuously adjusts Channel 1 Volume
Channel 2 Volume, ∞ to +24 dB: Continuously adjusts Channel 2 Volume
Channel 1 Pan, ±100: Continuously adjusts Channel 1 Pan
Channel 2 Pan, ±100: Continuously adjusts Channel 2 Pan
Link, Unlinks/Link: Unlinks/Links Decay, Volume and Pan parameters
Mix: Continuously blends processed and unprocessed signal
Power, Off/On: Disables/Enables plug-in (all DSP processing is bypassed)
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Customer Reviews
AKG BX 20 Spring Reverb
T. Delannay
Pro UAD
Top PLUGINS, Merci UAD.
F. fournot
My dear old spring reverb is back
Je les ai toutes utilisé, de l'EMT à la STOKSTRONICS et même la BX5 pour commencer. Alors, quel bonheur de retrouver 40 ans plus tard ce son à l'origine de la matière analogique... Vive les reverbs à plaque....Et particulièrement cette BX 20 authentique.
И. Карасенко
Ревербератор AKG BX 20
Лучшего и качественого ревербератора AKG BX 20 нету в Мире.
При его использовании очень тёплое звучание получаеться.P. Sullivan
Springy Spring
Great plug in I love all the different things you can do with it! I love the options to raise and lower high and low freq's too!
M. Malinski
Best springs on the market
If you looking for one of the best spring reverb on the market, you in the right place.
Natural sounding deep springs will add deph to vocals, guitars.E. Koch
there is no other verb like this..
i got this for a monitored tracking comfort ambiance UAD 2, but mostly because i plan on implementing it in my DAW...the godfather of all spring reverb units here, with full on tweak-ability...i have some really nice verb units, but this one is very special..
F. GYS
Best reverb plugin
Incredible reverb
D. Hampton
One way fav spring Reverb
I use this on Guitar On a track that I mixing, For a psychedelic funk band. The deep tone that comes out of this thing is wonderfully good. Next I want to try this on vocals
C. Kiasi
Simple and straight to the point
Incredibly easy to use. It doe the "reverb thing" really well. Quickly becoming a go to for me.
G. Jennings
Sounds Real Nice
It's not as intuitive as I usually expect, but I do love the sound.
M. Uuttu
Personal favourite
This one is special.
s. khardzeishvili
unique
I bought AKG for my acoustic cello recordings.well, What can I say, you just put it on a recording and it sounds unique. AKG has a different sound from all reverb and it is a perfect match for cello.
A. Thomas
Amazing! Ignore the word 'spring' and listen to it, cause it's just great.
Great reverb for a bunch of different sources and uses. Beautiful ambience and 'room' sound. Don't be fooled by the word 'spring' and assume it's only for guitar. This is definitely one of the greatest in-the-box reverb units. Well done, UA.
D. Ollivierre
Gorgeous
You can't not make this thing sound beautiful
E. Soza
Great reverb
True vibe
R. Pressman
Great reverb
One of the only springs reverbs I actually like and have used on vocals.
R. Faulkner
Worth it
I love the response and the ease you can edit. It does use a lot of processing power. Still worth it
J. Aguirrezabalaga
True vibe
I`ve been using different real spring reverbs for years, they all have in common some nice density and “real vibe”. Uad BX 20 keeps that feeling to me, plus lots of flexibility. Couldn`t be happier with it!
S. Rose
Beautiful dual-spring without the "sproing"
Brilliant, lush, massiveness. Is that a word? It's a sound. Use it on everything.
A. Chudzinski
Dive In the Room
Nice warm reverb. Organic room designing especially ducked by the kickdrum ;)
But not usable for al purposes...
