Pricing and availability
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Store
Reviews
Price
Average Price: $4,488
High-end/Boutique
$300
$801+
Price Tier
Budget
Standard
High-end
Price History
Based on price data from 3 merchants for "Diezel VHX". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The Diezel VHX Guitar Amplifier Head is a groundbreaking blend of analog warmth and modern digital flexibility, crafted to satisfy the discerning needs of guitarists across genres. Featuring a robust 100-watt, all-tube power section, this amp head delivers iconic Diezel tones from amps like the VH4, Herbert, and Hagen, offering a fully analog signal path that purists will adore. What sets the VHX apart is its revolutionary DSP-based control system, providing seamless access to a vast array of studio-grade effects and customizable presets.
This 4-channel powerhouse is equipped with a preamp section featuring five 12AX7 tubes, ensuring dynamic response and tonal richness. The VHX isn’t just about replicating classic sounds; it invites you to explore new sonic territories with an impressive suite of effects, including a noise gate, compressor, and a quad/polyphonic pitch shifter. Whether you're sculpting ambient landscapes or dialing in crushing metal tones, the VHX has you covered.
Thanks to its IR-enabled DI and load box, you can enjoy pristine direct tones without the need for a speaker cabinet. Loaded with 64 high-quality cabinet IRs, the VHX offers flexibility for both studio and live applications. With MIDI-over-Bluetooth capability, three programmable effects loops, and an intuitive high-resolution display, the VHX is as user-friendly as it is powerful. Handmade in Germany, this amp head is a testament to Diezel's commitment to quality and innovation.
Key Features:
- 100W all-tube, 4-channel programmable amplifier head
- Robust power section with EL34 or 6L6 power tubes
- Preamp section with 5 x 12AX7 tubes
- Access to Diezel’s signature amp tones: VH4, Herbert, Hagen, Paul, Einstein
- Up to 99 programmable presets for gain, EQ, and volume settings
- DSP-based effects: noise gate, compressor, pitch shifter, delay, chorus, flanger, phaser, reverb, tremolo, and graphic EQ
- 3 programmable effects loops for pedals and external processors
- IR-enabled DI with 64 high-quality cabinet IRs
- Cab-less Mode with built-in load box
- MIDI-over-Bluetooth and USB connectivity
- Easy-to-read high-resolution display
- Handmade in Germany
Product specs
| Type | Tube with DSP FX |
| Number of Channels | 4 x Programmable Channels |
| Total Power | 100W |
| Preamp Tubes | 5 x 12AX7 |
| Power Tubes | 4 x 6L6/EL34 (based on availability) |
| Reverb | Digital Reverb |
| Effects | Polyphonic Pitch Shifter, Delay, Chorus, Flanger, Phaser, Tremolo, Compressor, Noise Gate |
| EQ | Graphic EQ |
| Inputs | 1 x 1/4" |
| Outputs | 2 x 1/4" (4 ohms), 2 x 1/4" (8 ohms), 1 x 1/4" (16 ohms), 1 x XLR (DI out) |
| Headphones | 1 x 1/4" |
| Effects Loop | 2 x FX Loop (serial/parallel), 1 x FX Loop (pre-loop) |
| MIDI I/O | In/Thru/Bluetooth |
| USB | 1 x Type B |
| Bluetooth | Yes (MIDI) |
| Footswitch I/O | 1 x XLR (Columbus footswitch) |
| Footswitch Included | No |
| Computer Connectivity | USB |
| Bias Type | Adjustable Fixed |
| Features | 64 x Speaker IRs, Virtual Mic Models, Cabless Mode |
| Power Source | Standard IEC AC cable |
| Height | 11.5" |
| Width | 23.5" |
| Depth | 11.5" |
| Weight | 53 lbs. |
FAQs
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What type of power tubes does the Diezel VHX use?
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The Diezel VHX amplifier head can use either 4 x 6L6 or EL34 power tubes, depending on availability, allowing for tonal flexibility.
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How many channels does the Diezel VHX have?
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The Diezel VHX features 4 programmable channels, offering a wide range of tonal options for various playing styles.
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Does the Diezel VHX include built-in effects?
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Yes, the Diezel VHX includes built-in digital effects such as a polyphonic pitch shifter, delay, chorus, flanger, phaser, tremolo, compressor, and noise gate.
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Can the Diezel VHX be connected to a computer?
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The Diezel VHX has USB connectivity, allowing for integration with a computer for additional control and functionality.
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Is the Diezel VHX suitable for silent practice?
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Yes, the Diezel VHX supports cabless mode and includes a headphone output, making it suitable for silent practice.
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Does the Diezel VHX come with a footswitch?
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The Diezel VHX does not include a footswitch, but it has an XLR input for connecting a Columbus footswitch for channel switching and effect control.
Videos
Sweetwater
Diezel VHX 100 Watt Tube Head Demo
Reviews
PROS
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Versatile with four channels: Clean, Crunch, Distortion, Lead Distortion
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12-way Shape settings offer a wide range of Diezel tones
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Cabless recording capability with internal dummy load
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Features like noise gate, chorus, and reverb add value
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Compatible with bass guitar, offering more utility
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Simplified and clean signal chain compared to separate gear
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High build quality and user-friendly interface
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IR versatility for enhanced sound customization
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Endless incredible tones/sounds across all genres
CONS
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Lacks onboard options for placing an overdrive before VHX
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Master volume control is super sensitive
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Minor quality control issue with LCD screen material on some units
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Some users report it doesn’t authentically replicate the sound of classic Diezel amps like VH4
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Diezel VHX.
Features and functionality
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The VHX includes the ability to add user-created impulse responses (IRs), enhancing its versatility significantly over other Diezel models.
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Channel 3 is designed to capture signature tones from the VH4 and Herbert, although it's not a perfect emulation of those models.
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The VHX's digital components are noted as potential future failure points, suggesting a preference for analog alternatives among some users.
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Use cases and applications
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Channel 2 is praised for its versatility, serving as an excellent pedal platform and handling both medium and high gain applications effectively.
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The VHX's Channel 1 is recognized for its superb clean tones, making it suitable across various musical styles from Hendrix to Metallica.
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The VHX excels in studio settings with its ability to go cabless, sending high-quality IR emulations directly to a DAW, suitable for quiet recording environments.
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The VHX is considered overkill for home use with computer interfaces, where an amp sim pedal might suffice.
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User experience
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Owners note that the VHX requires a volume boost to fully appreciate its distortion characteristics, revealing the amp's rich tonal depth.
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Owners appreciate the VHX's ability to function as a superb bedroom amp, delivering great sound at low volumes without needing pedals or effects racks.
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Comparisons
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While the VHX offers a wider range of features, it’s suggested to buy a VH4 or Herbert for those seeking their specific signature sounds.
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The VHX provides a distinct tonal profile, distinct from other Diezel models, with a unique "digital HiFi grind" that sets it apart from the VH4 and Herbert.
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The Mesa Mk VII and ENGL Ironball SE offer IR output capabilities like the VHX, but are highlighted as more affordable options.
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The Diezel VH2 is suggested as a budget-friendly alternative, allowing funds for additional gear like a load box.
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Build quality
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The Diezel VHX is paired effectively with a Diezel 2X12 front-loaded cabinet with V30 speakers, highlighting its impressive construction and sound quality.
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Based on 0 Reviews and 0 Ratings
Genre Usage
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