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.
ruby amps
Complete RUBY Amps delivering powerful, high-quality sound for guitar and audio applications.
cabinets
Amplifier cabinets designed to project rich, full guitar tones.
Chassis
Chassis built to securely house amp components with durable, precision construction.
DIY Kits
Do it yourself kit for custom amp builds with all essential mounting components.
Boards
Amplifier boards designed for reliable signal routing and high-quality audio performance
Wholesale
Click to sign up for a Wholesale Account to get exclusive pricing designed for retailers and bulk buyers.

300B

300B is prized for its ability to produce musically accurate, highly expressive sound, making it a top choice for those seeking the ultimate in tube audio performance.

Get 10% off

300B

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