- Musician's Friend Best Selection, Price & Service. Guaranteed.
Need Help? Ask our Experts or call 800-449-9128Asistencia en Español 866-226-2919
Need Help? Ask our Experts or call 800-449-9128
Get that true Marshall tone!
The Ruby Tubes ECC83 (12AX7A) Preamp Tube is a hand-picked Tesla with low gain and full, robust tone. Comes with a 6-month replacement warranty.
Get your head together with some Rubys. Order today!
Our product catalog varies by country due to manufacturer restrictions. If you change the Ship-To country, some or all of the items in your cart may not ship to the new destination.