Unlock the true potential of your tube amp with the AmpRx BrownBox, a game-changer for tone purists and professional engineers alike. This noise gate effects pedal is designed to optimize your amp's performance by managing voltage levels with precision. Many tube amps, particularly vintage models, perform best at specific voltage settings that standard 120V/AC power sources often exceed. With the BrownBox, you can safely adjust and maintain the ideal voltage for your setup, ensuring a rich and consistent sound.

The BrownBox stands out with its proprietary 5-amp transformer, offering flexible attenuation options that protect your amp and extend the lifespan of your costly tubes. With four selectable voltage-reduction modes and a convenient bypass option, you can easily A/B test the improvements in your sound. The onboard LCD voltmeter provides real-time voltage readings, making it simple to achieve the perfect setting tailored to your amp's specifications. Built to endure the rigors of touring, its braced metal chassis and protective bar ensure durability and safety.

Whether you're striving for that vintage tone or simply want to safeguard your amp's longevity, the AmpRx BrownBox is an essential addition to your gear arsenal.

Key Features:

• Optimizes input voltage for enhanced tube amp performance
• Extends the lifespan of power tubes with precise voltage management
• LCD voltmeter for easy voltage monitoring
• Four selectable attenuation modes: 3%, 4%, 6%, and 10%
• Bypass mode for quick A/B testing
• Robust metal chassis with protective bar for touring durability
• 5-amp transformer with selectable input settings: 120/122/124/126VAC

Product specs

FAQs

What is the primary function of the AmpRx BrownBox?

The AmpRx BrownBox is designed to safely reduce the voltage to your tube amplifier, allowing it to operate at optimal levels and enhance its tonal performance, particularly for vintage amps.

How does the AmpRx BrownBox connect to my amplifier?

The AmpRx BrownBox connects via standard IEC AC cables, providing two grounded AC outlets for easy integration with your existing setup.

Can the AmpRx BrownBox be used with any tube amplifier?

Yes, the AmpRx BrownBox is compatible with most tube amplifiers, as it handles up to 540 watts at 120V AC, making it versatile for various amp models.

What voltage range does the AmpRx BrownBox support?

The AmpRx BrownBox supports a voltage range from 110V to 126V AC, allowing for up to a 10% reduction to ensure your amplifier operates within safe and optimal parameters.

Does using the AmpRx BrownBox affect the tone of my amplifier?

By optimizing the voltage, the AmpRx BrownBox helps your amplifier achieve its intended tonal characteristics, particularly beneficial for vintage amps that may sound different at modern voltage levels.