ruby tube on amp

Preamp Tubes

Ruby tubes have been carefully matched and tested. Our preamp tubes are designed to deliver superior sound quality and are compatible with a wide range of amplifiers and audio systems

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JJ ECC81 / 12AT7 Preamp Vacuum Tube
JJ ECC81 / 12AT7 Preamp Vacuum Tube
Sale priceFrom $16.75 Regular price$17.50
JJ 12AU7 Preamp Vacuum Tube
JJ 12AU7 Preamp Vacuum Tube
Sale price$25.00
JJ ECC83s / 12AX7 Preamp Vacuum Tube JJ ECC83s / 12AX7 Preamp Vacuum Tube
JJ ECC83s / 12AX7 Preamp Vacuum Tube Matched Pair
JJ ECC83 / 12AX7 Trio Preamp Vacuum Tubes
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12AX7 Ruby Trio Preamp Vacuum tubes 12AX7 Ruby Trio Preamp Vacuum tubes
Electro-Harmonix 12AT7 Preamp Vacuum Tube
Electro-Harmonix 12AU7 EH Preamp Vacuum Tube
12AX7EH Electro Harmonix
12AX7EH Electro Harmonix
Sale price$22.00
12AX7 / 7025 Electro Harmonix Preamp Vacuum Tube 12AX7 / 7025 Electro Harmonix Preamp Vacuum Tube
12AX7 6922 Electro Harmonix Preamp Vacuum Tube 12AX7 6922 Electro Harmonix Preamp Vacuum Tube
Genalex 12AX7 Gold Lion Preamp Vacuum Tube
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MULLARD 12AT7 WA CV4024 KQDD/K
Mullard 12AX7 Preamp  Vacuum Tube
Sovtek 12AX7WA / 7025 Preamp Vacuum Tube
Sovtek 7025 / 12AX7WB  Preamp Vacuum Tube Sovtek 7025 / 12AX7WB  Preamp Vacuum Tube
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Tung Sol 12AX7 Preamp Vacuum Tube
12AX7 Wing C Preamp Vacuum Tube
12AX7C Groove Tubes Preamp Vacuum tube
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7025 NOS RUBY Preamp Vacuum tube
Full Music 12AX7 Preamp Vacuum tube Full Music 12AX7 Preamp Vacuum tube
Jan Philips 12AT7WC Preamp Vacuum tube
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12AX7S Mesa Preamp Tube 12AX7S Mesa Preamp Tube
12AX7S Mesa Preamp Tube
Sale price$40.00