Skip to main content

Get next-day shipping for $20* -  
See details & shipping cut-off dates

Play Video
Ruby Ruby

Ruby EL84CZ Ruby Tube Premium Matched Matched Pair

79.99 $79.99
More ways to pay:
Loyalty Points Icon
Loyalty Points Icon
Earn 640 reward points
($6.40 in credit)
Earn 640 reward pts.
($6.40 in credit)
Inventory Msg Check Mark Inventory Msg Exclamation In Checkout Promo Inventory Msg Download Icon
In Stock & Ready to Ship
Estimated delivery 5-8 business days

Style: Matched Pair

Matched Quad $149.99 Matched Pair $79.99
  • Free Shipping
  • Top Rated
  • Lowest Price
Chevron Right Icon
Overview

A high fidelity premium tube.

Ruby exclusive with large bottle, gold-plated grid, and extra internal anchoring. All Ruby output tubes are labeled on the base with the exact matching measurements for plate current and transconductance. By matching these parameters, optimal performance and long life are ensured.

Features

  • Labeled with matching measurements for plate current and transconductance
  • Optimal performance and long life
  • 6-month replacement warranty

Get more power and more tone. Order today.

Specs

EL84CZ Ruby Tube Premium Matched Specifications:

  • style 2: Duet
  • mpn: TU EL84CZ –MP
  • brand: RUBY
Q&A

Questions & Answers

Do you have questions about this product?

Shop with a Friend
Free Shipping
  • Free Standard Ground shipping (48 contiguous states, some overweight and Used/Vintage items excluded).
  • Orders placed before 3 p.m. ET usually ship the same business day.
Learn More
2-Year Free Warranty on Guitars

Every guitar or bass you purchase from Musician's Friend (electric or acoustic, New or Open Box) includes two years of protection from manufacturer defects.

Contact Us for Details
We're Here for You

Our Gear Advisers are available to guide you through your entire shopping experience. Call or Chat for expert advice and to hear the latest deals.

Contact Us
Proactive Advisor Support Chat