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  • Overview
  • Customer Reviews
  • 4.8/5
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Get the sound of the world's finest echo chambers.

From Ray Charles to Frank Sinatra, Beck to Muse, the underground spaces below the iconic Capitol Tower in Los Angeles, have provided decades of gorgeous hi-fi ambience that is simply unmatched. After years of R&D and close collaboration with Capitol Studios, Universal Audio proudly presents the Capitol Chambers plug-in, a startling end-to-end recreation of the most popular echo chambers ever created.

Included Versions

UAD Native
Runs on your Mac or PC without UA hardware.

Apollo Realtime & UAD‑2
Runs accelerated on Apollo interfaces and UAD‑2 hardware.

UAD Native plug-ins run on both macOS 10.15 Catalina or newer and Windows 10 and 11. Go to our UA Support page for system requirements.

  • Record and mix with the world's only authentic plug-in emulation of Capitol Studios' prized underground echo chambers
  • Add dense, natural reverberation to vocals or drums far beyond plate, digital, or simple convolution reverb
  • Create new sounds by repositioning Capitol Chambers' microphones using UA's Dynamic Room Modeling
  • Audition current and historical chamber configurations, plus all new setups
  • Harness the chamber's entire signal chain including amplifiers, speakers, custom preamps, and mics
  • Quickly pull up presets from legendary Grammy-winning engineers of Ray Charles, Radiohead, Steely Dan, Madonna, and more

Want to Try It?

Use this plug-in free for 14 days and find out if it's right for you.

Try it free


Easily Capture Iconic Echo

Easily Capture Iconic Echo

UA sourced historic technical diagrams from the early '60s to precisely emulate microphone/speaker setups inside Capitol's chambers, including the vintage omnidirectional Altec 21D mics and custom speaker/horn configurations and current "modern" configurations using omnidirectional Shure SM80s — all in their original hit-making positions.

Create with Unprecedented Ambience Control

Create with Unprecedented Ambience Control

Capitol Chambers' Position slider gives you next-level control over spatial and time response, allowing you to reposition the chamber mics. From the maximum distance stock positions, to direct speaker-to-microphone effects and proximity characteristics, Capitol Chambers can subtly thicken vocals or drums, or soak strings with the most natural, complex sounding reverb ever recorded.

Explore UA's Dynamic Room Modeling

Explore UA's Dynamic Room Modeling

Harnessing the same technology as UA's award-winning Ocean Way Studios plug-in, Capitol Chambers uses UA’s proprietary Dynamic Room Modeling technology, an exclusive combination of physical modeling and advanced measurement techniques. Whereas standard convolution reverbs only provide a sonic snapshot, Dynamic Room Modeling gives Capitol Chambers nearly infinite ambient possibilities.

Go Deeper Still

Go Deeper Still

Beyond a vintage recreation, Capitol Chambers offers creative features for modern DAW workflows like Pre-delay, Dry/Wet mix, and Decay controls. A sweepable 80 to 750 Hz filter lets you minimize muddy bass going into the chamber, while Bass, Treble, and proportional Q Mid band lets you perfectly season the chamber's lush ambience.

Harness All-Star Artist Presets

Harness All-Star Artist Presets

The Capitol Chamber's plug-in features carefully crafted presets from a stunning roster of Grammy-winning engineers and producers, including the late Al Schmitt (Ray Charles, Steely Dan), Mark Linett (The Beach Boys, Los Lobos), Frank Filipetti (Madonna, Paul McCartney), Darrell Thorp (Beck, Radiohead), and many more.

Capitol and the Capitol logos are trademarks of Capitol Records, LLC, registered in the United States, European Union, and other jurisdictions, and are used under license.
"A Rose" by Jamie Lidell
"A Rose" by Jamie Lidell

"A Rose" by Jamie Lidell

Written and recorded exclusively to showcase the UAD Capitol Chambers Reverb plug‑in.

Customer Reviews

Capitol Chambers

Overall Rating


m. Sherman

May 20, 2024

Really Nice

Has made it on every mix since I got it. It’s fun to cycle through all the chambers and mics and suddenly “ah!”.

R. Johnson

May 15, 2024


Love it A++++

D. Louisin

May 15, 2024

The legendary sound to work in the box !

whether on wind instruments, guitars, percussion, and especially the voice ! it is a great tool to place and give an exeptionel dimmension to different sources in the mix ! you already know it, but you are on top of it !

B. Barr

May 14, 2024


Very sweet reverb with a lot of flexibility. Definitely captures the retro sound of these chambers in a very hi-fi way.

S. Clement

May 13, 2024


It has great depth and it’s become one of my go-to reverbs

J. Chitambo

May 13, 2024

Capital Chamber reverb

This is one of the most excellent reverb I have come across.

J. Love

May 10, 2024

An essential.

A great addition to any plug in suite. It just sounds great!

T. TzwSVsOw

May 9, 2024



T. TzwSVsOw

May 9, 2024



R. Oksman de Aragao

May 4, 2024


Beautiful sounding plugin!
The Al Schmitt The One preset instantly made the vocals I was working on sound more expensive and purrrrrty!

What a great sound!

A. Lopez

May 2, 2024

Awesome !

I use it in the master out to give my tracks an all in the same studio sound.

C. Kiasi

May 1, 2024


I don’t know why I didn’t get this sooner. The sound quality is mouth watering. I love it.

C. Asker

May 1, 2024

A brilliant and well-designed plugin

You simply have to try this one!
The simple design, the relatively few parameters still make a hugely useful reverb! With just a little taste of it, it can change the character of a source and bring beauty and musicality to things that does not sound enough "alive". Absolutely brililant!

M. Braziel

May 1, 2024

Rich Sounding Reverb.

It sounds like quality. Absolutely Love It.

D. Antwi

April 30, 2024


I wish it was more bright

D. Armijo

April 30, 2024

Just beautiful!!!

Capital chambers adds character like no other.I absolutely love this plugin. Armijo productions

M. Maslik

April 30, 2024

Great room replication

I love how I could re-room my drums whose room mics were recorded poorly. This blugin sounds realistic, nice work UAD


April 30, 2024

Capital chambers

Mi reverb favorita

M. Döring

April 16, 2024

pure magic

What a great sound, well done !

P. Motyczak

April 15, 2024

Beautiful reverb !

Just great,, sounds amazing , love it. Lots of possibilities too .