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.Now You Can:
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
L. Herve
July 4, 2020
Sounds good but needs MIDI
The sound is good, but like every amp sim with UAD, there should be MIDI in console to be able to footswitch the channels.
Read MoreC. Vurnis
June 17, 2020
From clean to heavy, has all the right tones !!
Great clean channel, great crunch channel, great high gain channels !! Hit the crunch channel hard, and there is a lot of saturation. Play softer, and it cleans up really well !!...
Read MoreC. Billmeier
June 16, 2020
THIS SMOKES.
I was curious what this would sound like on a standard Strat or Les Paul since all the demos show 7-strings and/or very low-tuned guitars, and WOW. It sounds fantastic! Very high gain...
Read More.
June 16, 2020
Best amp sim I've played!
From the start, I have always wanted to play and record a tight, punchy, raging metal amp sound, but be able to do it silently via DI. I have tried many software amps (UA and others)...
Read MoreM. O'Connor
June 6, 2020
Almost the real thing!
This is amazing. The range of tones from 1 amp is brilliant and I love how it responds to external effects pedals. I know these are not cheap but they are amazing value and very close to...
Read MoreJ. Ray
May 29, 2020
Just like the real thing and more!
I’m not too familiar with Diesel amps in general, but the tones that I’m able to get out of this thing are TOP NOTCH! I was...
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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
L. Herve
Sounds good but needs MIDI
The sound is good, but like every amp sim with UAD, there should be MIDI in console to be able to footswitch the channels.
C. Vurnis
From clean to heavy, has all the right tones !!
Great clean channel, great crunch channel, great high gain channels !!
Hit the crunch channel hard, and there is a lot of saturation. Play softer, and it cleans up really well !!
Also, the plugin responds well to hardware boost and drive pedals in front of the interface. Can't go wrong with this plugin !!C. Billmeier
THIS SMOKES.
I was curious what this would sound like on a standard Strat or Les Paul since all the demos show 7-strings and/or very low-tuned guitars, and WOW. It sounds fantastic! Very high gain but not nearly as metallic or inarticulate as one might fear with so much juice.
UAD User
Best amp sim I've played!
From the start, I have always wanted to play and record a tight, punchy, raging metal amp sound, but be able to do it silently via DI. I have tried many software amps (UA and others) and many hardware units. This has led me to a Fractal Axe FX and a Blackstar tube head running into a Two Notes Torpedo Live, and while I am still very glad to have that hardware, I might never have bought any of that if this plugin came out for UAD a few years earlier. To me, it is by far the best sounding UA amp. The cleans are great, you have tons of flavors of distortion to play with here, and exploring the huge list of IRs will almost certainly yield one or two sounds that will fit perfectly in your mix. If you have felt like amp sims (including UA ones) have not quite felt and sounded the way you wanted, I suggest you give this one a try.
M. O'Connor
Almost the real thing!
This is amazing. The range of tones from 1 amp is brilliant and I love how it responds to external effects pedals. I know these are not cheap but they are amazing value and very close to the real thing.
J. Ray
Just like the real thing and more!
I’m not too familiar with Diesel amps in general, but the tones that I’m able to get out of this thing are TOP NOTCH! I was blown away when I put it in Unison mode and got it dialed
in with a Teletronix compressor and limiter combo. Definitely worth the price even when it’s not on sale.A. Sudarkin
Passion and rage!
Sounds fantastically natural. For me, this is the best emulation in the world. Universal amplifier in all senses and styles. Indispensable thing. Recommend.
C. Mortensen
Raw as it gets
Loved this amp from the beginning. Raw and clean, you got it all right at your fingertips
L. Flores
Tone, and room to explore
I was just as surprised with the Tweed 55, in that the what I was hearing from the Diezel surpassed my expectations. I use the amp plugins for scratching out ideas on the fly, song ideas for initial drafts. But this amp has me spoiled ! Very responsive, with tube saturation from think crunch to a blast from the past 70’s rock. You will not be disappointed, but caution in that you just may get hooked on this being your main amp for studio work........
C. DaPonte
VH4
Hands down, from clean to dirty, the best itb guitar sound I've ever had.
D. Burke
The perfect crunch!
Don't hesitate to purchase this. You will LOVE it!
A. Kolomvatsos
This is a beast!
You can dial great sounds with this amp. The sound is tight even in Hi-gain setings. Love the additional delay fx + the gate. I would say it is "focused" more towards Heavy Rock sounds but I bet you can do a lot more. Comparing this amp to a Marshall plexi or a fender tweed it's a totally different beast of it's own. Therefore, I wouldn't recommend trying to get Fender clean or Marshall Plexi breakup sounds.
I do not own a real VH4 but I have experience with Fender and Marshal Plexi amps.P. Danel
Diezel VH 4 the "REAL THING"
WOWrrrrrrrrr.......this is it, - also clean , no hum around, endless fun,- take it and you get it, absolutly recommended
C. Vazquez
The big Diezel
This amp is sick! Never had a chance to play one in person but if this thing is even close to it in tone it’s definitely worth the purchase! From classic rock to Djent this amp can do it all!!! Thank you UAD for making the best of the best products! \m/
A. Volanto
Versatile indeed!
Yeah! I bought the plugin because I needed hi-gain sounds for a project. Turns out this amp is way more than just amazing growl and screams. Very versatile workhorse. Love playing with it!
C. Schroeder
i like it, bx_template emulations are boring me however
I really like this amp, i've used it on a bunch of songs already, I have no complaints in the sound department. I don't know the original amp. I just tried the demo when I was in need of/wanted another set of knobs to turn in the search for THAT ONE TONE that will fix everything....In particular I like the generous iRs that b_x has provided to accompany and enhance the experience of working with emulation software. What I am growing tired of, however, is how the people at b_x are just repackaging what is certainly extensive work in iR all those pieces of equipment, but if you look at all their amps, it's pretty much the same iRs on all of them, and if you look again, the amps really all follow a template and there's not too much difference between them other that the name of the plugin. That's my take.
And I might be alone here, but when I put these amp emulations, like the Diezel VH4 in to the Unison slot, I'm not a fan of suddenly having less control over the output volume of the amp, how suddenly random gain and volume knobs are paired with the unison gain know, but not consistently, it seems like one minutes on the channel gain, then its the master output volume, sometimes I was to turn something up or down that isn't tethered to that unison fader/knob. I constantly go from a volume of 2 to 10 when all I wanted was to raise the presence on the distortion channel, instead it turns the master volume and the channel gain all the way to 10.
But I like the Diezel a lot, way more than the Marshall amp offered so generously by UA when I purchased my quad core apollo twin...And let's not get into the pricing of this stuff, it's crazy and sometimes it just seems like usurious practices. Look at what Logic Gives you for 199$, how thorough and generous they are. And then look at UA and what they squeeze out of their customers and we pay because we bought in and I'm prideful and I'll be enthusiastic until I wake up eventually and say, nope, i'm done here.
UAD User
Killer Amp Model
You can't go wrong with this, it rocks!
b. village
Balls to the walls
Best guitar sound I’ve found so far.
M. Placide
Absolutely Fantastic
I’ve historically always recorded guitars with a tube amp and cabinet. Usually with two mics. Didn’t think it was possible to capture that “moving air” feel that you get by putting a couple mics on an amp. The VH4 in a Unison slot has convinced me that it is possible. I don’t think I’ll ever sell off my tube amps, but it doesn’t look like they’ll be getting much use in the studio. Love the VH4!
J. Daranowski
Superb!
Great amp, both for cleans and gainy stuff!
