Diezel VH4 Amplifier
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A carnivorous high-gain classic
with gorgeous clean tones.
Introduced in 1994, the VH4 amplifier was Diezel's maiden voyage — a 100-watt beast that dropped jaws with articulate cleans, dynamic distortion, and frothy high-gain tones. Still a modern tone giant 25 years after its release, the Diezel VH4 is ubiquitous in heavy rock and metal productions, used by Tool, Metallica, and tons more.
Developed by Brainworx, and officially endorsed by legendary amp builder Peter Diezel, the Diezel VH4 plug-in masterfully emulates this four KT77-equipped 100-watt beast, for UAD hardware and UA Audio Interfaces.Use your UA Interface to track through the Diezel VH4 — with near-zero latency
Audition 120 separate high-end recording chains, featuring multiple cabinets and classic microphones
Shape tones further with FX Rack’s Vintage Delay, noise gate, high/low filters, and more
Easily dial in insane high-gain tones, dynamic distorted textures, and pristine cleans, with Diezel's original state-of-the art tone machine
Take a Listen
Four Channels, Tons of Tones
Featuring Clean, Crunch, Mega, and Lead channels, the Diezel VH4 plug-in faithfully captures the original amp's glorious sparkling clean tones, simmering medium-gain sounds, and absolutely searing lead textures. No matter what guitar you plug in, the Diezel VH4 plug-in gives you all the tonal touchstones you need to record dynamic, modern guitar sounds.
Diezel FX Rack
The Diezel VH4 plug-in offers additional control over your tones via the Brainworx FX Rack. It features a Noise Gate, switchable high and low-pass filters, and a Power Soak circuit that allows you to dial in as much overdrive as you want, without having to crank the output gain.
The Diezel VH4 plug-in also includes 120 impulse response Recording Chains that were perfectly captured from several boutique cabinets and recorded through Brainworx's vintage Neve console with an array of high-end and vintage microphones and outboard gear, giving you "record ready" tones, instantly.
Unison™ Technology for UA Audio Interfaces
Harnessing UA’s groundbreaking Unison technology, the Diezel VH4 plug-in gives you the impedance, gain staging, and circuit behaviors that have made the VH4 one of the most lusted-after tube amps ever made.
Customer Reviews
G. Christiansen
September 14, 2022
Vh4 with superior sound on both the diezel amp and as an Cab impulse
I bought this to use it as a Cab Impulse for my amp heads, and it sounds very organic and real. With the power amp section using the presence and depth It gets Even better. One could...
Read MoreJ. Marth
June 24, 2022
Great Diezel Sound
Both Diezel Amp Sims sound great, but I prefer the VH4. Channel 4 plus some EQ makes your metal sound shine
Read Moree. vantroyen
June 21, 2022
Sounds real in a mx
I love that one, even better than the Herbert. That Unison gives life to Amp Sims.
Read MoreA. Portillo
June 16, 2022
Too good to be true
The simulation is superb. UAD as always making unbelievable analog sims. I recommend it to all guitar players. This is a beast...
Read More -
Key Features:
Exacting emulation of the original 100-watt Diezel VH4 guitar amp, endorsed by Peter Diezel and Peter Stapfer
Four independent channels for a huge range of tones, from clean to ultra-high gain and all points in-between
120 Recording Chains with multiple speaker cabinets – recorded in Brainworx´s studio using the
NEVE VXS72 console, stellar outboard gear and world class microphones
FX Rack includes host-syncable lo-fi delay, noise gate, filters, power soak, pre and power amp bypass
Unison technology for UA Audio Interfaces
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Customer Reviews
Diezel VH4 Amplifier
S. Ramsey
Clean
Best clean guitar sound i have heard. Love it!!
G. Christiansen
Vh4 with superior sound on both the diezel amp and as an Cab impulse
I bought this to use it as a Cab Impulse for my amp heads, and it sounds very organic and real. With the power amp section using the presence and depth It gets Even better.
One could only wish for a dedicated uad Ir loader based on this VH4, but the diezel vh4 works just as good!K. Kamonrat
vh4 good plugins
good sound good dynamic
J. Marth
Great Diezel Sound
Both Diezel Amp Sims sound great, but I prefer the VH4. Channel 4 plus some EQ makes your metal sound shine
e. vantroyen
Sounds real in a mx
I love that one, even better than the Herbert. That Unison gives life to Amp Sims.
A. Portillo
Too good to be true
The simulation is superb. UAD as always making unbelievable analog sims. I recommend it to all guitar players. This is a beast amp.
D. Diadema
Very good but... No IRs...
I own the VH4 and the Herbert which both sound pretty good! But neither of them can support third party IRs... That is REALLY a big limitation for using those plugins live. Of course you can do whatever you want in your daw, bypass the cab section and add your own IRs afterward. But adding your own IRs, that would be a HUGE upgrade. The Apollo could definitely compete with any Axe FX or Helix.
Pretty please UAD?? :)))c. zouen
NEXT LEVEL
IDC WHAT YOU SAY! THIS IS BY FAR THE BEST AMP SIMP I EVER EVER USED
A. Zhukau
may be the best thing i worked with
this beast can everything not only metal. l am very happy to use this. plugin in my tacks.
S. Lednev
Diezel VH4
Great sound. I'm very happy to have this in my plugin collection
S. Lednev
Diezel VH4
Great sound. I'm very happy to have this in my plugin collection
V. Baotić
Authentic Emulation
I played a VH4 through a 4x12 cab live for a while and I must admit this is quite a faithful reproduction for a plugin. I can see why it’s so popular with metal players, but I always found it to be far more than a metal amp. In my opinion one of the most versatile amps ever - and the plugin version is the same. Great plugin!
P. Clough
Great Amp Plug
Love it. Use it for quick demos and for monitoring when using a load box with my amp heads. Responds really well to playing and feels good. Would easily make it onto releases if needed.
K. Flisiak
Beast
Perfect amp for heavy music situations
W. Gall
Metal Monster
Having this and the Herbert available for the Unison slot makes it easy to make bone crushing metal anywhere you can take your apollo....
R. Priest
Fabulous emulation
Superb quality, my guitarist says its amazing
J. Mallo
Tight and agressive.
Really fan of Diezel amps, playing with different IR is a great weapon in your arsenal.
M. Irons
An Amplifier for any situation
Need a sparkling clean, super heavy or anything in between guitar tone? This is the amp every recording musician should have in his collection.
S. Neron
Jadore
Jadore le son metal qu’il procure et toute les autre son crunch un belle achat
H. Rantanen
Really good!
Nice!
This was my first purchase after getting the Apollo Twin Duo Usb.
Mainly, I wanted to get this for guitar monitoring with zero latency when tracking but I was surprised how good it sounds! I have Neural DSP plugins and to my ears this is as good as those.
Here´s my recording chain if I want to experiment with different IR:s and record the Diezel amp.
Put Diezel into Unison slot.
Turn off the cab section and mute the track.
Send it to AUX1 or AUX2 --> put Diezel on Aux (poweramp off and Cab on).
Monitor thru AUX.
Now the monitoring is with full rig and only the amp signal is recorded.
Put your IR loader on DAW track and experiment with different IR:s to find a tone you like.
Good job UAD!
