Avantone Pro GTR-100: Powerful, Flexible Guitar Amplification for Modern Rigs

Modern Guitar Rigs Need Modern Amplification

Today’s guitarists increasingly rely on sophisticated amp modellers and digital processors to create their tones, but getting those sounds into the room with the right combination of power, accuracy and reliability still requires a serious power amplifier. The Avantone Pro GTR-100 provides a compact, rack-mountable solution designed specifically around the needs of modern guitar rigs.

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100 Watts of Clean Class A/B Power

At the heart of the GTR-100 is a two-channel Class A/B power amplifier delivering 100W per channel into 8Ω and 140W per channel into 4Ω. For applications requiring even greater output from a single channel, bridged mono operation delivers an impressive 245W into 8Ω.

Built for Amp Modellers and Stompboxes

The GTR-100 is designed to work seamlessly with modern guitar modellers such as Axe-FX and Quad Cortex, as well as traditional stompboxes. Switchable Line and Instrument inputs provide the appropriate connection and input characteristics for different sources, allowing your carefully created tones to reach the power stage without unnecessary colouration.

Bring Stereo Effects to the Stage

With stereo inputs and outputs, the GTR-100 makes it possible to preserve the spacious character of stereo modulation, delay and other effects when taking a modeller-based rig into a live environment. The two independent channels can also be used separately, making the amplifier a practical option for dual-guitarist setups.

Shape Your Tone for the Room

Even with a carefully designed modeller preset, every venue can present different acoustic challenges. The GTR-100‘s switchable four-band EQ provides additional tone-shaping control, allowing you to make practical adjustments to suit the room without having to completely redesign your core presets.

Direct Connection to the Mixing Desk

The GTR-100 also provides XLR Thru outputs for sending your signal directly to a mixing console or recording system. With switchable analogue cabinet simulation, the XLR output can reproduce the tonal characteristics of a miked 4×12 cabinet, providing a convenient direct signal without requiring a cabinet microphone.

One Amplifier, Multiple Configurations

The GTR-100‘s flexible two-channel architecture makes it suitable for a range of applications. Run it in stereo, use each channel independently, or switch to bridged mono when you need maximum power from a single output. This versatility makes it particularly well suited to professional touring and compact all-in-one rack systems.

Powerful Without the Weight of a Tube Amplifier

For guitarists accustomed to traditional tube power amps, the GTR-100 offers a compelling practical alternative. Its solid-state Class A/B design avoids many of the maintenance requirements associated with tubes, while its compact 1U chassis keeps the overall rig considerably more manageable.

Designed for Life on the Road

Touring equipment needs to withstand more than just normal studio use. The GTR-100 features a rugged metal chassis and protective front handles designed to help prevent the control knobs from taking the impact if the amplifier is knocked during transport. Rear-mounted rack rails also help maintain a clean, organised installation and simplify cable management.

Quiet Cooling and Protection

A whisper-quiet cooling fan helps maintain appropriate operating temperatures during demanding use, while the protect indicator provides visual warning of conditions that could potentially cause damage to the amplifier or connected speakers. This combination of cooling and protection is designed to provide confidence during extended operation.

A Flexible Powerhouse for the Modern Guitarist

From modeller-based rigs and stereo effects to dual-guitarist setups and powerful bridged-mono configurations, the Avantone Pro GTR-100 combines serious Class A/B power with practical connectivity and flexible tone control in a compact 1U format.

Build a Smarter Guitar Rack

For players who want the tonal flexibility of modern modelling combined with the physical impact and authority of a dedicated power amplifier, the GTR-100 offers a streamlined approach. Powerful, flexible and road-ready, it provides a professional foundation for taking today’s carefully crafted guitar tones from the modeller to the stage.

👉 Discover the Avantone Pro GTR-100 today on our website. 👇