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
From $16.75 $17.50
JJ 12AU7 Preamp Vacuum Tube
JJ 12AU7 Preamp Vacuum Tube
$25.00
JJ ECC83s / 12AX7 Preamp Vacuum Tube JJ ECC83s / 12AX7 Preamp Vacuum Tube
JJ ECC83s / 12AX7 Preamp Vacuum Tube
From $19.00
JJ ECC83s / 12AX7 Preamp Vacuum Tube Matched Pair
JJ ECC83s / 12AX7 Preamp Vacuum Tube Matched Pair
$38.00
JJ ECC83 / 12AX7 Trio Preamp Vacuum Tubes
JJ ECC83 / 12AX7 Trio Preamp Vacuum Tubes
$55.00
Sold out
12AX7 Ruby Trio Preamp Vacuum tubes 12AX7 Ruby Trio Preamp Vacuum tubes
12AX7 Ruby Trio Preamp Vacuum tubes
$55.00
Electro-Harmonix 12AT7 Preamp Vacuum Tube
Electro-Harmonix 12AT7 Preamp Vacuum Tube
$25.00
Electro-Harmonix 12AU7 EH Preamp Vacuum Tube
Electro-Harmonix 12AU7 EH Preamp Vacuum Tube
$20.00
12AX7EH Electro Harmonix
12AX7EH Electro Harmonix
$22.00
12AX7 / 7025 Electro Harmonix Preamp Vacuum Tube 12AX7 / 7025 Electro Harmonix Preamp Vacuum Tube
12AX7 / 7025 Electro Harmonix Preamp Vacuum Tube
$25.00
12AX7 6922 Electro Harmonix Preamp Vacuum Tube 12AX7 6922 Electro Harmonix Preamp Vacuum Tube
12AX7 6922 Electro Harmonix Preamp Vacuum Tube
$25.00
Genalex 12AX7 Gold Lion Preamp Vacuum Tube
Genalex 12AX7 Gold Lion Preamp Vacuum Tube
$25.00
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MULLARD 12AT7 WA CV4024 KQDD/K
MULLARD 12AT7 WA CV4024 KQDD/K
$50.00
Mullard 12AX7 Preamp Vacuum Tube
Mullard 12AX7 Preamp Vacuum Tube
$25.00
Sovtek 12AX7WA / 7025 Preamp Vacuum Tube
Sovtek 12AX7WA / 7025 Preamp Vacuum Tube
$25.00
Sovtek 7025 / 12AX7WB Preamp Vacuum Tube Sovtek 7025 / 12AX7WB Preamp Vacuum Tube
Sovtek 7025 / 12AX7WB Preamp Vacuum Tube
$25.00
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Tung Sol 12AX7 Preamp Vacuum Tube
Tung Sol 12AX7 Preamp Vacuum Tube
$25.00
12AX7 Wing C Preamp Vacuum Tube
12AX7 Wing C Preamp Vacuum Tube
$60.00
12AX7C Groove Tubes Preamp Vacuum tube
12AX7C Groove Tubes Preamp Vacuum tube
$25.00
Sold out
7025 NOS RUBY Preamp Vacuum tube
7025 NOS RUBY Preamp Vacuum tube
$45.00
Full Music 12AX7 Preamp Vacuum tube Full Music 12AX7 Preamp Vacuum tube
Full Music 12AX7 Preamp Vacuum tube
$50.00
Jan Philips 12AT7WC Preamp Vacuum tube
Jan Philips 12AT7WC Preamp Vacuum tube
$25.00
Sold out
12AX7S Mesa Preamp Tube 12AX7S Mesa Preamp Tube
12AX7S Mesa Preamp Tube
$40.00