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Avalon VT-737 Tube Channel Strip

Avalon VT-737 Tube Channel Strip

Unison Enabled


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The larger-than-life sound of pop, hip-hop, and R&B — now on UAD.

The dominant player in chart-topping pop, hip-hop, and R&B productions, Avalon's flagship VT-737 channel strip is the best-selling standalone channel strip ever made. From Jay-Z and Dr. Dre, to Babyface and Beyonce, to Eric Clapton and The Rolling Stones, the VT-737 delivers consistently polished results, with radio-ready gloss and detail.

Exclusively for UAD hardware and UA Audio Interfaces, and fully endorsed by Avalon Design, the Avalon VT-737 Tube Channel Strip plug-in captures the entire hit-making essence of the channel strip that defined the sound of modern music.

Now You Can:

Track and mix through an exacting emulation of the Avalon VT‑737 analog channel strip

Get the full character of the original hardware’s tube mic preamp with Unison technology

Add legendary Avalon gloss and presence to bass, vocals, voice‑over, and more

Sculpt your sources with a vocal‑flattering optical compressor

Tweak sounds with four-band EQ and add high‑end detail with 32k "air" band

Mix with artist presets from Eric J Dubowsky, (Flume, Odesza), Hector Delgado (A$AP Rocky, Lana Del Rey), Michael Brauer (Coldplay, My Morning Jacket), and more

Take a Listen

Take a Listen
Capturing the Sound of Modern Music

Capturing the Sound of Modern Music

After carefully auditioning multiple Avalon 737 hardware units, the UA team selected a "golden unit" with the ideal optical compression response. UA's DSP team then artfully captured the target hardware's class-A tube amplifier section with custom-wound transformer, LED-style optical compression, and discrete four-band EQ — the signature Avalon sound heard on thousands of chart-topping hits.

Unison<sup>™</sup> Technology for UA Audio Interfaces

Unison Technology for UA Audio Interfaces

Harnessing UA’s groundbreaking Unison technology, the Avalon VT-737 plug-in captures the hardware’s mic preamp impedance, gain stage “sweet spots,” and exact circuit behaviors, giving you all the detailed sonics of the original Avalon hardware — including its gentle high-pass filter for removing mud and low-end gunk. And because the VT-737's front-panel Hi-Z input is a legendary bass DI, the VT-737 plug-in's Unison-enabled Hi-Z input endured rigorous evaluation, ensuring it was virtually indistinguishable from the original hardware.

Versatile Optical Compression

Versatile Optical Compression

Excelling on vocals, bass, acoustic guitar, and voice-over work, the VT-737 plug-in's dynamics section emulates the hardware's gentle touch, rather than adding squash or crunch. Its relatively transparent compression also make it perfect for "stacking" the compressor again at mixdown, expertly controlling the dynamics of a vocal in a dense mix. An exclusive plug-in only, super-fast mode gives you “X4” faster attack, pushing the VT-737 beyond its physical limits, affording you tons of new dynamic versatility.

EQ with Details

EQ with Details

The Avalon VT-737 Tube Channel Strip plug-in expertly emulates the hardware's discrete four-band EQ, allowing you to sculpt lead vocals with a visceral, larger-than-life presence and sophistication, placing them front-and-center in any mix. Like the hardware, the EQ can easily be placed before or after the compressor, and the mid bands can be engaged as sidechain filters for laser-focused compression. And with the 32k high frequency "air band," you can add delicate shimmer to everything from strings to background vocals to acoustic guitars.

Add Chart-Topping Sheen with Any UAD Hardware

Add Chart-Topping Sheen with Any UAD Hardware

Of course, the Avalon VT-737 Tube Channel Strip isn’t just for UA Audio Interface owners. UAD hardware owners can use the VT-737 Tube Channel Strip plug-in on any mix, giving your sources legendary fat bottom, "glassy" top-end textures, and a bevy of clear-eyed color — without ever going outside the box.

Key Features

VT-737sp exclusively licensed by Avalon Design, modeled by Universal Audio

Made famous as the ultimate pop, R&B and hip-hop performance and production tool specializing in tight, focused vocals and bass guitar

Best of Avalon's design: high headroom tube mic preamp, optical compressor, and discrete four-band EQ

Feedback-style 58 dB tube mic preamp with Mic, Line, or Hi-Z input with Unison technology

Models entire VT-737sp “Special Performance” circuit path, including transformers, tube amplifiers, active and passive EQ filters, and optical gain reduction

Compressor Sidechain Unlink/Link and EQ Pre-Dynamics, EQ Sidechain filtering, Hi Q and Frequency multiplier

Physical input impedance and front panel control of gain staging and other preamp parameters via Unison

Customer Reviews

Avalon VT-737 Tube Channel Strip

Overall Rating

J. Casas

December 12, 2020

El salto definitivo al estándar profesional.

Hola! Tras años dando pequeños pasos para conseguir un estandar de sonido profesional como voice over, este año me hice con una Arrow y con un Neumann Tlm103. Con los preamps que trae incluidos la Arrow , el sonido ya era espectacular , pero cuando probé el Avalon 737, descubrí la increíble dimensión que podía adquirir mi voz. Es realmente mágico y ahora entiendo porque todos los propietarios de Neumann siempre lo recomiendan. Una pieza indispensable para ofrecer el auténtico estandar profesional. Insuperable relación calidad-precio!

R. Whiteman

December 12, 2020

Instant satisfaction

Love the warmth the Avalon brings to my chain! I have always wanted to own an Avalon after using one a few years back, and I probably will invest in the hardware one day... until then, this is on my chain

s. Ha

December 12, 2020


Like it. It feels similar to my original hardware.

O. Yermolin

December 11, 2020

Great Tool!!!

Nice control of sound! Can chose little warm or very fat vocal.

W. Carridge

December 10, 2020

Excellent Product

Combining this as a preamp with the Townsend sphere, immediately created the depth and fullness I was seeking for my vocals!

y. rosario

December 10, 2020

Avalon vt-737- tube channel strip

this so far emulate the real Hardware, sounds the same as the real actual hardware sounds so clean, I’m really happy with this purchase oh my God what a plugin and this is one of my favorite plugin for sure. Now my voice sounds with Sauce Nice job #UAD

m. tellez

December 10, 2020

Carácter imponente

Hace un tiempo había probado esta emulación del Avalon 737 y me impresionó lo que pude lograr en lo voz que estaba grabando en esa ocasión. Después de haber intentado con otras emulsiones está fue la que me resolvió el problema. Ahí fue cuando me dije "tengo que hacerme con esto". Ahora después del Manley BoxVox este es mi segundo unison favorito. Sin duda hace su trabajo como se supone.


December 10, 2020

Avalon VT 737 Avis

Simple et efficace

G. Gorordilov

December 9, 2020

Great preamp

The Avalon sounds very good. This is the best tube channel strip/pre and is authentic to the hardware.

R. Gagl

December 8, 2020

I wasn´t prepared for that...

This is a perfectly coded masterpiece. The first time I switched it on it knocked me off my studio chair. I just didn´t expect to be surrounded by the sound of its hardware counterpart. Brilliant work! Chapeau!

M. Santos

December 8, 2020


Paired this with an SM7B and omg did I need this! I was using a 1073 hardware clone and I’m done with that, this turned my SM7 to a killer modern vocal mic with a bit of high eq boost and some compression

M. Desai

December 8, 2020


aah the warmth this adds! UA team has absolutely nailed the EQ and compression! sound so much like the original!

C. Vincenzo Mario

December 7, 2020


I had the chance to compare this unit with the one we have in studio, it sounds exactly like the real thing. I can't stop being surprised by UAD accuracy in "modeling" electroacoustic devices.

D. Adet

December 6, 2020

VT 737

Incroyable chaleur ! Une merveille de précision.


December 5, 2020



O. Lamas

December 4, 2020

Very, vey nice.

Worked with the hardware models for a long time. This plugin is excellent. Wow!!!

J. Vargas III

December 2, 2020

A Must Have!

This right here is definitely my go to. This sounds Awesome!!!

H. Eaves

December 1, 2020

Yes!! Great Piece of software

I've wanted a VT-37 hardware Mic pre for a while.
I would always settle, and talk myself outta it for something else. I have 2 UA M5"s (Hardware), as well, I keep them specifically for Vocals. After purchasing the UA software version, I was blown away, to be able to get the same Wow factor i got upon first hearing one on a elec piano. I now can put that Wow factor quality as a plugin, on multiple tracks of my choosing.

I Love it!! and I still say, "WOW" Great job UA

G. Johnson

November 30, 2020

Game changer

Love this product!

Y. Quintero

November 30, 2020

Buenísimo !

Es unos de los poco plug-ins que hacen el trabajo casi igual al original “VT-737 !! Tengo uno físico y en verdad no escuché mucha diferencia de uno al otro. Gran trabajo Universal Audio !!! Lo recomiendo totalmente !!!