Pricing and availability
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Price
Average Price: $419
Standard/Professional
$300
$801+
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Budget
Standard
High-end
Price History
Based on price data from 1 merchant for "Randall RD1H Diavlo 1W Tube Guitar Head". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
Unleash the beast within with the Randall RD1H Diavlo 1W Tube Guitar Head, your compact powerhouse designed to deliver the high-gain tones that metalheads dream of. This little monster packs a punch, surprising listeners with its voluminous output, suitable for both shredding practice sessions and recording masterpieces. Don’t be fooled by its size; the RD1H Diavlo is a titan in a small package, ready to drive your musical passion with tube warmth and saturation that's hard to find elsewhere.
Crafted for the guitarist who demands versatility without compromising on quality, this amp head features a meticulously designed control panel with Gain, Tone, and Master Volume, alongside a 3-way Tone Stack Shift for midrange contouring. Whether you're dialing in full-bodied leads, classic rock tones, or the scooped mids of modern metal, the RD1H responds with precision. Plus, its Class A discrete instrument level FX loop and speaker-emulated XLR direct output equip you for silent practice and direct recording, making it an indispensable tool in your musical arsenal.
Key Features:
- 1-watt power output capable of driving a variety of cabinets, including a 4x12
- Equipped with 12AX7 and 12AU7 tubes for rich tube saturation and warmth
- Controls for Gain, Tone, Master Volume, and a 3-way Tone Stack Shift for versatile tone shaping
- Class A Discrete instrument level FX loop for integrating effects with unmatched clarity
- Speaker-emulated XLR direct output with Dummy load for silent operation and easy recording, complete with ground lift to eliminate hum and noise
Product specs
| Brand | Randall |
| Model | RD1H Diavlo 1-Watt Tube Guitar Amp Head |
| Finish | Black |
| Year | 2010s |
| Categories | Guitar Heads |
| Color Family | Black |
| Electronics | Tube |
| Impedance | 8 ohms |
| Number of Channels | 1 Channel |
| Number of Inputs | 1 Input |
| Output Power (Watts) | 1 |
| Powered | Unpowered |
| Reverb | None |
FAQs
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What kind of sound can I expect from the Randall RD1H Diavlo 1W Tube Guitar Head?
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The Randall RD1H Diavlo delivers a high-gain tone perfect for metal and rock genres, with a tight, aggressive sound that maintains clarity even at low volumes.
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Is the Randall RD1H Diavlo 1W Tube Guitar Head suitable for home practice?
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Yes, the 1-watt output of the RD1H makes it ideal for home practice, providing tube-driven tones at manageable volume levels.
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Does the Randall RD1H Diavlo 1W Tube Guitar Head have multiple channels?
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No, the RD1H features a single channel, designed to deliver straightforward high-gain tones without the need for channel switching.
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Can the Randall RD1H Diavlo 1W Tube Guitar Head be used with an 8-ohm speaker cabinet?
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Yes, the RD1H is compatible with 8-ohm speaker cabinets, allowing for flexible setup options with various speaker configurations.
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Does the Randall RD1H Diavlo 1W Tube Guitar Head include a built-in reverb?
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No, the RD1H does not include built-in reverb, focusing instead on delivering pure, high-gain tube tones.
Videos
Ola Englund
Randall Diavlo RD5 & Washburn Parallaxe PXL10 - Metal
Reviews
PROS
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Excellent for metal tones, from crispy blues to death metal
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Volume, gain, and tone controls allow precise sound sculpting
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Three-way mids selector switch enhances tone customization
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Works well at low volumes for apartment use
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Simulated output for direct interface recording
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Takes effects well, both in front and through the loop
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Compact and portable, suitable for small spaces
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Designed by respected amp builder Mike Fortin
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Can produce decent clean tones at low levels
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Solid construction and visually appealing design
CONS
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Simulated output requires tweaking for optimal tone
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Lacks a dedicated clean channel, limiting versatility
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Some may find the single knob tone control limiting
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Might need external overdrive for heavier tones
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Not loud enough for band settings without mic'ing
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Randall RD1H Diavlo 1W Tube Guitar Head.
Features and functionality
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The RD1H produces a significant bottom end if mids are scooped using the TSS switch, ideal for heavy tones.
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The Randall RD1H's master volume is noted for its smooth control, allowing for precise adjustments even at low volumes suitable for home use.
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The RD1H has a built-in resistor acting as a dummy load, allowing direct connection to an interface without a cabinet, useful for recording.
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User experience
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Owners report it can be too loud for home use, yet delivers a tight distortion even without additional pedals.
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Owners report that the RD1H maintains sound quality at both low and moderate volumes, making it versatile for bedroom practice without significant tonal loss.
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Using a Harley Benton G112 with the RD1H provides a straightforward, cost-effective setup for metal playing at home, prioritizing simplicity and accessibility.
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Use cases and applications
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The amp is suitable for recording and practicing due to its emulated line-out, although it's not ideal for live performances.
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Ideal for achieving Tool and Metallica tones, the RD1H can be paired with a 2x12 V30 cab for a fuller sound.
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The 1W version is recommended for home use to maximize tube saturation without excessive volume, ideal for metal genres like thrash and death.
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Value and pricing
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Many owners agree it's worth $149 but feel $400 is excessive for its limited versatility.
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Mods and upgrades
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A tube screamer pedal enhances the amp's tone by adding flavor, even though the amp already has a tight distortion.
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Users suggest pairing the RD1H with an EQ pedal to enhance tonal flexibility and achieve a broader range of sounds.
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Pairing the RD1H with an EP booster or tube screamer can enhance input gain stage clipping, enriching distortion at lower volumes.
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Setup and maintenance
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An 8-ohm cab is recommended; significant volume drop occurs with 16-ohm cabs.
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Comparisons
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The RD1H offers a more controlled volume taper compared to the PRS MT15, which can rapidly transition from inaudible to too loud.
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The Harley Benton G112 is open-backed compared to the Randall's closed-back design, affecting tonal warmth and bass response with the same Celestion V30 speaker.
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5.0 out of 5
Based on 1 Review and 2 Ratings
Genre Usage
Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.
Used With
Based on how musicians on Equipboard use Randall RD1H Diavlo 1W Tube Guitar Head, it is most commonly used with the following gear.