Tubes

Ruby Tubes - JJ 5U4

Upgrade your audio and instruments with the reliable JJ 5U4 Rectifier Tube.  Benefit from clean AC/DC conversion at an affordable price.  Perfect for both Hi-Fi audio and instrument amplifiers.  Experience superior performance in any 5U4...

Ruby Tubes - JJ 5Y3S

5Y3S is an octal rectifier diode with a true directly heated cathode. Expert-designed for ultimate reliability and efficiency, this octal rectifier diode boasts a true directly heated cathode to deliver dynamic and robust performance. All Ruby Tubes are...

Ruby Tubes - JJ 6L6GC (matched pair)

The JJ 6L6 is a beam power pentode with an octal base and power of 30W for use in 6L6 amplifiers. It has a lot of headroom and a heavy, solid tone. Thanks to its robust construction it is very reliable. It features superior dynamic response for...

Ruby Tubes - JJ 6V6S (matched pair)

Experience improved tone in your amp with JJ 6V6GTCZ tubes. From clearer bass to rich highs with a chime, these tubes cater to all music styles. They provide a smooth distortion when pushed, easily customizable for your desired tone. All RUBY™...

Ruby Tubes - JJ EC881 / 12AT7

JJ 12AT7 / ECC81 HG tested The JJ ECC81 tube also refereed to as a 12AT7, is known for its warm and smooth sound, making it a popular choice among musicians and audiophiles. It was widely used in vintage audio equipment and can still be found in some...

Ruby Tubes - JJ ECC83S / 12AX7

JJ ECC83S / 12AX7 HG tested The JJ ECC83S / 12AX7 Preamp Vacuum Tubes provide harmonically rich sound with low noise and microphonics. With its balanced midrange, it brings exceptional clarity and warmth to any amplifier, allowing for a detailed low end...

Ruby Tubes - JJ EL34 (matched pair)

JJ EL34CZ tubes with great tone and lots of power.  Very dependable.  Bold bass, thick mid-range.  Good high-end, not too bright.  Great for the classic rock n' roll sound. All RUBY™ Tubes come already Matched with a 6 Month...

Ruby Tubes - JJ EL84 (matched pair)

Experience superior quality and affordability with the JJ EL84. Boasting the power and reliability similar to the GE6BQ5, this tube offers exceptional sound at a fraction of the cost. A must-have for any audiophile or musician looking for top-notch...

Ruby Tubes - JJ GZ34S / 5AR4

The JJ GZ34/5AR4 Rectifier Tube is a cost-effective and reliable replacement for amplifiers using GZ34/5AR4 tubes. With its high-quality construction and exceptional sound, this tube is a great choice for any amplifier. Upgrade your equipment with this...