Bugera G20 Infinium 20-Watt Tube Guitar Amplifier Head

SKU: BUG20INFINUM MFR: 000-B4002-00010
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Key Features

  • Experience premium tube amp tone with the Bugera G20's responsive ECC83 preamp.
  • Unleash 20 Watts of powerful tube amplification, perfect for studio or small gigs.
  • Shape your sound with versatile EQ controls for pristine cleans to heavy overdrive.
  • Enjoy reliable performance with the long-lasting EL34 tubes and robust build.
  • Connect seamlessly with the built-in FX loop for your favorite guitar effects pedals.
  • Selectable impedance (4, 8, 16 Ohms) ensures compatibility with various speaker cabs.
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On Backorder?Expected Availability: 10/2025
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Bugera G20 Infinium Specifications

  • Preamp: Tube type

    2x ECC83A

  • Preamp: Input connector

    4" unbalanced TS

  • Preamp: Input Impedance

    1MOhms

  • Rear Panel: Effects send impedance

    1kOhms

  • Rear Panel: Effects return Impedance

    41kOhms

  • Rear Panel: Effects loop sensitivity

    +4dB/l-10dB

  • Rear Panel: Stereo line input connector

    1/4" unbalanced TRS

  • Rear Panel: Line input impedance

    10kOhms

  • Rear Panel: Footswitch Input

    (FSB1O2A), non-latching: 1/4" TRS

  • Rear Panel: Stereo phones output

    1/4" TRS

  • Power Amp: Tube type

    2x EL34

  • Power Amp: Output power

    20W

  • Power Amp: Impedance switch

    4, 8, 16Ohms

  • Power Amp: Loudspeaker connector

    1/4" TRS

  • Power Supply: Power consumption

    At 1/8 max power: 120W

  • Power Supply: Fuse

    100-120V T 2A H 250V
    220-23OV T 1A H 25OV

  • Power Supply: Mains connection

    Standard IEC receptacle

  • Dimensions (H x W x D)

    240 x 468 x 231mm / 9.45 x 18.43 x 9.09"

  • Weight

    10.3kg / 22.71lbs

  • UPC Code

    748252151148

About Bugera G20 Infinium

An embodiment of power and sophistication, the G20 Infinium 20-Watt Tube Guitar Amplifier Head is a testament to Bugera's commitment to quality and innovation. This high-quality, durable, and versatile amplifier head is hand-built and driven by 2 x ECC83 and 2 x EL34 tubes, delivering a powerful 20-Watt Class-A output.

Designed for the professional musician, the G20 Infinium features a revolutionary MORPH EQ, allowing seamless transition between USA and British EQ-style tones. This versatile feature caters to a wide range of musical genres and playing styles, making it a valuable addition to any guitarist's gear.

The G20 Infinium is not just about power; it's also about delivering a rich, warm sound that tube amplifiers are renowned for. The classic push-pull power amp design contributes to its vintage tonal character, offering sweetly-balanced harmonics and natural tube compression.

Adding to its impressive list of features is the high-definition reverb with a dedicated control, allowing you to fine-tune your sound to perfection. The amplifier also includes a heavy-duty footswitch for channel and reverb selection, offering easy and convenient control during live performances or studio recordings.

The G20 Infinium is equipped with a speaker-emulated output with a 1 x 12 or 4 x 12 voicing option, and an impedance switch to match virtually any speaker cabinet. This feature, coupled with an effects loop with an effects level switch, ensures optimal signal routing for your collection of pedals and external gear.

Bugera's revolutionary Infinium Tube Life Multiplier Technology is another standout feature of the G20 Infinium. This innovative technology extends the life of your amplifier's power tubes up to 20 times, providing incredible reliability and consistent tone over the lifespan of your tubes. It also allows for easy tube replacement, saving you time and effort.

The G20 Infinium's modern-style look and feel is a testament to Bugera's attention to detail and commitment to quality. Designed and engineered by Bugera Germany, this amplifier head is built to last, ensuring long life and impressive durability thanks to its high-quality components and rugged construction.

In conclusion, the G20 Infinium 20-Watt Tube Guitar Amplifier Head is a powerful, high-quality, and versatile piece of equipment that delivers a rich, warm sound. Whether you're a professional musician performing live or recording in a studio, this amplifier head is designed to meet and exceed your expectations.

Bugera G20 Infinium Features

  • High-quality, 20-Watt Class-A tube guitar amplifier head hand-built by Bugera
  • Revolutionary MORPH EQ for seamless transition between USA and British EQ-style tones
  • Classic push-pull power amp design for vintage tonal character and natural tube compression
  • Integrated high-definition reverb with dedicated control for perfect sound tuning
  • Infinium Tube Life Multiplier Technology extending the life of power tubes up to 20 times
  • Includes heavy-duty footswitch for channel and reverb selection, and an effects loop with an effects level switch for optimal signal routing

Warranty Information

This product has a limited warranty of 36 months.

Key Features

  • Experience premium tube amp tone with the Bugera G20's responsive ECC83 preamp.
  • Unleash 20 Watts of powerful tube amplification, perfect for studio or small gigs.
  • Shape your sound with versatile EQ controls for pristine cleans to heavy overdrive.
  • Enjoy reliable performance with the long-lasting EL34 tubes and robust build.
  • Connect seamlessly with the built-in FX loop for your favorite guitar effects pedals.
  • Selectable impedance (4, 8, 16 Ohms) ensures compatibility with various speaker cabs.

What's in the box:

  • Bugera G20 Infinium 20-Watt Tube Guitar Amplifier Head
  • Heavy-duty Footswitch
  • FX Loop
  • Bugera 3 Year Limited Warranty