Free Shipping Over $150 (Some Exceptions Apply)
Tube Kits
Power Tubes
Preamp Tubes
Rectifier Tubes
NOS Tubes
Cabinets
Chassis
Boards
DIY Kits
RUBY Amps
Promotions, new products and sales. Directly to your inbox.
Cookie policy
I agree to the processing of my data in accordance with the conditions set out in the policy of Privacy.
Cart
Your cart is empty
A medium-gain dual triode that’s smoother and quieter than the 12AX7. Popular in vintage preamps for its warm and balanced response.
Filters
Free shipping
Free shipping and returns on orders over $150
Customer service
We are available Monday through Friday to answer your questions: 800-451-1922
Secure payment
Your payment information is processed securely
Contact us
Need to contact us? Just send us an e-mail at: orders@magicparts.com
Ruby Tubes promotions, new products and sales. The best audio equipment directly to your inbox.
