Tube Kits
Shop tube kits to upgrade your amp!
Power Tubes
Premium tubes built for high performance, reliability, and tone.
Preamp Tubes
High-quality tubes for rich tone, clarity, and smooth gain.
Rectifier Tubes
Reliable tubes for smooth, consistent power delivery.
NOS Tubes
Genuine NOS tubes for vintage tone, unmatched quality, and lasting performance.
Cabinets
Amplifier cabinet designed to project rich, full guitar tones.
Chassis
Chassis built to securely house amp components with durable, precision construction.
Boards
Amplifier boards designed for reliable signal routing and high-quality audio performance.
DIY Kits
Do it yourself kit for custom amp builds with all essential mounting components.
RUBY Amps
Complete RUBY Amps delivering powerful, high-quality sound for guitar and audio applications.
Wholesale

Preamp Tubes

Ruby tubes have been carefully matched and tested. Our preamp tubes are designed to deliver superior sound quality and are compatible with a wide range of amplifiers and audio systems

Get 10% off

Preamp Tubes

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