12ax7a
Guitar Amplifier Valves

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Ruby 12AX7A Preamp / Rectifier Tubes (EACH)

TU12AX7AC4
Weight: g
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Ruby TU12AX7AC4 (12AX7A) Preamp / Rectifier Tubes (EACH) - Used by Marshall / Peavy & Fender

Renowned for its quiet, high-gain operation and bright, clear tone. 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. Comes with a 6-month replacement warranty.

Ruby E83CC Preamp / Rectifier Tubes (EACH)

TU12AX7ACZHG
Weight: g
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Ruby TU12AX7ACZHG (E83CC Gigh Grade) Preamp / Rectifier Tubes - Ideal for microphonics, gain an low noise.

Hand-picked Tesla with lower gain and a full, robust tone. 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. Comes with a 6-month replacement warranty.

Ruby E83CC+ Preamp / Rectifier Tubes (EACH)

TU12AX7ACZHG+
Weight: g
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Ruby TU12AX7ACZHG (E83CC High Grade Plus ) Preamp / Rectifier Tubes - BEST for microphonics, gain an low noise.

Hand-picked Tesla with a full, robust tone. 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. Comes with a 6-month replacement warranty.

Ruby EL34 Power Tubes (PAIR) - SVETLANA

S&T-RT252
Weight: g
el34_sml

Ruby EL34 Power Tubes (PAIR) - The high sensitivity of a pair or quad of Svetlana EL34's is an economical method to achieve high quality sound with a minimum of driving stage components.

Ruby 6L6GC PREMIUM Pair Matched Power Tubes

TU6L6GCMSTR2
Weight: g
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Ruby TU6L6GCMSTR2 (6L6GC-PAIR) PREMIUM Quality Matched Power Tubes (Pair) - Most popular 6L6GC tube, full sounding and good power

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 for your amplifier. Ruby Tubes come with a 6-month replacement warranty.

Ruby 6L6GC PREMIUM Quartet Matched Power Tubes

TU6L6GCMSTR4
Weight: g
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Ruby TU6L6GCMSTR4 (6L6GC-FOUR) PREMIUM Quality Matched Power Tubes (Quartet) - Most popular 6L6GC tube, full sounding and good power

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 for your amplifier. Ruby Tubes come with a 6-month replacement warranty.

Ruby 6V6GTB PREMIUM Pair Matched Power Tubes

TU6V6GTBC2
Weight: g
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Ruby TU6V6GTBC2 (6V6GTB) PREMIUM Quality Matched Power Tubes (Pair) - Great for deluxe reverb amps - smooth and defined.

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 for your amplifier. Ruby Tubes come with a 6-month replacement warranty.