Pricing and availability
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Price
Average Price: $496
Standard/Professional
$300
$801+
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Budget
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Price History
Based on price data from 5 merchants for "Bugera G20 Infinium Head". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The Bugera G20 Infinium Head is a powerhouse of tonal versatility for guitarists seeking dynamic range and durability. This 20-watt Class-A tube amplifier head comes equipped with Bugera's innovative Infinium technology, a game-changer that extends the lifespan of your tubes up to 20 times while ensuring optimal performance. Whether you're crafting smooth jazz, gritty blues, or hard-hitting rock, the G20 delivers with its rich harmonic content and natural compression.
At the heart of the G20 is the Morph control, a feature that allows you to effortlessly blend between classic American and British EQ curves. With this, you can seamlessly shift from warm, full-bodied tones to bright, chimey sounds, making it a versatile choice for any style or setting. The built-in reverb adds lush depth to your sound, enhancing both clean and overdriven tones with a touch of ambiance.
Designed for flexibility, the G20 includes an effects loop with a level switch for integration with your pedalboard or line-level effects, and a speaker-emulated output for silent practice or direct recording. A two-channel design with independent controls ensures you can easily switch between pristine cleans and saturated overdrives, making it as adaptable on stage as it is in the studio.
Key Features:
- 20-watt Class-A tube amplifier head
- Infinium Tube Life Multiplier for extended tube lifespan
- Morph control for blending American and British EQ tones
- Two channels with independent tone-shaping
- Built-in reverb for added dimension
- Effects loop with level switch
- Speaker-emulated output with 1x12 and 4x12 voicing options
- Impedance selector switch: 4, 8, 16 ohms
- Includes footswitch for channel and reverb control
Product specs
| Type | Tube |
| Number of Channels | 2 |
| Total Power | 20W |
| Preamp Tubes | 2 x ECC83 (12AX7) |
| Power Tubes | 2 x EL34 |
| Reverb | Yes |
| EQ | 3-band EQ, Morph tone control |
| Inputs | 1 x 1/4" (instrument), 1 x 1/4" (line in) |
| Outputs | 1 x 1/4" (4, 8 or 16 ohms), 1 x 1/4" (headphones) |
| Effects Loop | Yes |
| Footswitch I/O | 1 x 1/4" (channel, reverb) |
| Footswitch Included | Yes, 2-button footswitch |
| Bias Type | Auto-Bias |
| Construction Material | Black Leatherette |
| Power Source | Standard IEC AC cable |
| Height | 9.5" |
| Width | 22.7" |
| Depth | 9.1" |
| Weight | 22.7 lbs. |
FAQs
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What kind of music genres is the Bugera G20 Infinium Head suitable for?
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The Bugera G20 Infinium Head is versatile and well-suited for a range of genres from blues and rock to metal, thanks to its two channels and Morph EQ control, which allows for a wide variety of tonal options.
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Does the Bugera G20 Infinium Head come with a footswitch?
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Yes, the Bugera G20 Infinium Head includes a 2-button footswitch, allowing you to switch between channels and control the reverb effect conveniently.
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What are the main features of the Bugera G20 Infinium's tube configuration?
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The Bugera G20 Infinium features 2 ECC83 (12AX7) preamp tubes and 2 EL34 power tubes, providing rich, warm tube tones with the reliability of Bugera's Infinium tube life multiplier technology.
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How does the Morph control on the Bugera G20 Infinium Head work?
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The Morph control on the Bugera G20 Infinium Head allows you to seamlessly blend between American and British EQ voicings, offering a wide range of tonal possibilities from bright and clean to warm and mid-focused.
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Is the Bugera G20 Infinium Head suitable for home practice?
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Yes, the Bugera G20 Infinium Head is suitable for home practice as it features a headphone output for silent practice and a power output that can be managed for lower volume settings without sacrificing tone.
Videos
Bugera
G20 INFINIUM - 20-Watt Class-A Tube Amplifier Head with MORPH EQ, and Reverb
Reviews
PROS
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Superior build quality compared to competitors
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Great for a range of genres, not just high-gain/metal
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Features like headphone jack and audio in for versatile practice options
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Hybrid tube design offers solid state reliability with tube tone
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Self-biasing with Infinium technology makes tube swaps easy
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Versatile tone with clean and overdrive channels, plus morph function
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Exceptional value for its feature set and sound quality
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Lightweight and portable for rehearsals and gigs
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Stereo headphone output provides high-quality sound for silent practice
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Compatible with a variety of power tubes for tonal customization
CONS
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Plastic components and protruding switches may be vulnerable in transit
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Some reliability issues reported, including blowing pre-amp valves
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Lacks the high gain needed for metal without additional pedals
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Single tone knob on clean channel limits EQ options without external pedals
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Reported strange noise issues after extended use, though customer service is responsive
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Stock tubes are average, may need replacing for optimal sound
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Bugera G20 Infinium Head.
Features and functionality
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The Bugera G20 Infinium Head is praised for its clean sound and warm, distorted tone, making it versatile for melodic hardcore and emo genres.
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The EQ section on the G20 is reportedly less effective, with minimal tonal difference between the settings of 0 and 10 on bass, mid, and treble knobs.
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Comparisons
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It's mentioned that the G20 Infinium may be similar to a Blackstar amp, though the owner hasn't directly compared it.
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The Bugera G20 Head is often seen as a cost-effective alternative to the Blackstar HT 20, offering similar features at a lower price point.
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The Bugera G20 is identified as a clone of the Blackstar HT20, reinforcing its position as a budget-friendly alternative to more established models.
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Use cases and applications
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The amp is noted to perform well with a pedalboard setup, enhancing versatility in tonal shaping for various musical styles.
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The amp's affordability makes it an attractive option for musicians looking for cheap, serviceable equipment for regular gigging or practice.
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The headphone out feature is appreciated for silent practice, though it produces a slightly odd sound when used through headphones.
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User experience
Mods and upgrades
Build quality
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Reports indicate issues with Bugera's component choices, including mismatched thermistor and resistor specifications, leading to reliability concerns in some units.
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Value and pricing
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Users note Bugera amps as affordable clones, offering a budget-friendly option for musicians willing to risk potential QC issues, especially with warranties.
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Owners express satisfaction when purchasing the G20 and a stereo 2x12 cab together for around $300, suggesting retail pricing may be considered high.
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Artist usage
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Featured in this Instagram post by Larson. He demos it in this video.
Genre Usage
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Used With
Based on how musicians on Equipboard use Bugera G20 Infinium Head, it is most commonly used with the following gear.
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