the Highest quality
Vacuum Tubes
Our full line of vacuum tubes are the best in the industry. Serious musicians know the tone is in the tubes, and Rubytubes deliver.
Precise Matching
Our Tubes Come Matched
Every tube is precision-matched for plate current and transconductance to ensure balanced tone and maximum reliability. This rigorous testing guarantees a smooth response, extended life, and the peak performance your amplifier deserves.
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Check out our latest arrivals
Discover premium, hand-selected components designed to elevate your sound and power your next performance!
Unmatched tone and reliability, one tube at a time.
Precision Testing for Every Tube
Each 12AX7 vacuum tube undergoes a rigorous testing process to guarantee optimal performance. Using calibrated tube analyzers, we measure gain, noise floor, transconductance, and microphonics — ensuring every triode section meets or exceeds factory specifications. From initial warm-up to final verification, every tube is carefully evaluated to deliver consistent tone, stability, and long-term reliability for your amplifier or audio system.
Precision in Every Glow
Burning In Vacuum Tubes for Optimal Performance
Witness the craftsmanship behind premium sound and stability. Every vacuum tube is carefully burned in—tested under controlled heat and voltage—to ensure peak performance, reliability, and tonal consistency. This meticulous burn-in process is provided free of charge before the tube ever reaches your equipment.
explore our collection of
Tube Kits
Not sure which tubes your amp needs? Ruby’s pre-made tube kits make it easy. We’ve already done the work for you by selecting the correct tubes for your amplifier, so you can skip the confusion and get straight to better tone.
Expand Your
Tube Knowledge
Vacuum tubes, Vintage tubes and Ruby Tubes are what Magic Parts is all about. Our full line of vacuum tubes are the best in the industry. Serious musicians know the tone is in the tubes, and Ruby Tubes deliver.
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FAQ
Frequently Asked Questions
Warranty
Ruby offers a 6-month warranty on all of our tubes! We stand behind the quality and reliability of every tube we sell. If you experience any issues within six months of purchase—such as noise, failure, or performance inconsistencies—our team will make it right.
Simply reach out to us by email or phone, and one of our Ruby experts will guide you through the quick and easy warranty process. Depending on the situation, we’ll arrange for a replacement or issue a credit toward your next purchase.
Our goal is simple: to make sure you’re completely satisfied and confident in the performance of your Ruby tubes, every time you play.
Matching
From the second the tubes hit our warehouse, they undergo a meticulous testing and matching process. Each tube is carefully measured for key parameters like gain, transconductance, and plate current to ensure consistency and performance. Our team of Ruby experts—specialists with decades of experience in tube evaluation and matching—personally oversee every step to guarantee accuracy and reliability. We then hand-match sets within tight tolerances so that every set delivers balanced tone, reliability, and optimal performance right out of the box.
Nope! Ruby tests and matches every single tube at no additional cost. From the moment they arrive, each tube goes through our full inspection, testing, and matching process—handled by our experienced Ruby experts—to ensure top performance and consistency. You get fully tested, ready-to-play tubes right out of the box, without paying a penny extra.
Shipping
Yes, we ship all over the world. Shipping costs will apply, and will be added at checkout. We run discounts and promotions all year, so stay tuned for exclusive deals.
It depends on where you are. Orders processed here will take 3-5 business days to arrive. Overseas deliveries can take anywhere from 5-14 days. Delivery details will be provided in your confirmation email.
Other
Feel free to contact us anytime through our email or phone number.
Email: orders@magicparts.com
Phone Number: +1 (800) 451-1922
