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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
70 products
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Jan Philips 12AT7WC Blue text Gray Plate Preamp Vacuum tube
Jan PhillipsJan Philips 12AT7WC Blue text Gray Plate Preamp Vacuum tube
$28.50
No reviews
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Electro-Harmonix EF86 Preamp Vacuum Tube
Electro HarmonixElectro-Harmonix EF86 Preamp Vacuum Tube
$30.00
No reviews
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Sovtek 12AX7LPS Preamp Vacuum Tube
Electro HarmonixSovtek 12AX7LPS Preamp Vacuum Tube
$28.00
1 review
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6973 Electro Harmonix Power Vacuum Tube
Electro Harmonix6973 Electro Harmonix Power Vacuum Tube
$35.00
No reviews
Save $2.00
JJ ECC803S Preamp Vacuum Tube JJ Electronics
JJ ElectronicsJJ ECC803S Preamp Vacuum Tube
$23.00 $25.00
1 review
JJ ECC832 / 12DW7 Preamp Vacuum Tube
JJ ElectronicsJJ ECC832 / 12DW7 Preamp Vacuum Tube
$22.49
No reviews
Sovtek 12AX7WC Preamp Vacuum Tube
SovtekSovtek 12AX7WC Preamp Vacuum Tube
$29.00
No reviews
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Tung EF806 SG Gold Pin Preamp Vacuum Tube
Tung SolTung EF806 SG Gold Pin Preamp Vacuum Tube
$49.00
No reviews
Penta Laboratories 12AT7 Preamp Vacuum Tube
Penta LaboratoriesPenta Laboratories 12AT7 Preamp Vacuum Tube
$23.00
No reviews
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PSVANE 12AX7 Preamp Vacuum Tube
PSVANEPSVANE 12AX7 Preamp Vacuum Tube
$17.50
No reviews
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Ruby Shuguang 7025 Preamp Vacuum Tube Ruby Shuguang 7025 Preamp Vacuum Tube
RUBY TubesRuby Shuguang 7025 Preamp Vacuum Tube
$30.00
No reviews
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Electro-Harmonix 12AY7 Preamp Vacuum Tube
Electro HarmonixElectro-Harmonix 12AY7 Preamp Vacuum Tube
$26.00
No reviews
Golden Dragon ECC81 12AT7 Preamp Vacuum Tube
GOLDEN DRAGONGolden Dragon ECC81 12AT7 Preamp Vacuum Tube
$35.00
No reviews
General Electric 12AX7A/7025 General Electric 12Ax7A 7025
General ElectricGeneral Electric 12AX7A/7025
$100.00
No reviews
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Mesa Boogie 12AX7 Preamp Vacuum Tube
Ruby TubesMesa Boogie 12AX7 Preamp Vacuum Tube
$26.00
No reviews
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Mesa Boogie 12AT7 Preamp Vacuum Tube
Ruby TubesMesa Boogie 12AT7 Preamp Vacuum Tube
$29.00
No reviews
JJ E83CC / 12AX7 Preamp Vacuum Tube
JJ ElectronicsJJ E83CC / 12AX7 Preamp Vacuum Tube
$28.99
No reviews
Mullard 12AT7 Preamp Vacuum Tube
MullardMullard 12AT7 Preamp Vacuum Tube
$27.99
No reviews
Mullard 12AU7 Preamp Vacuum Tube
MullardMullard 12AU7 Preamp Vacuum Tube
$27.50
No reviews
Electro Harmonix 12AX7EH Gold Pin Electro Harmonix 12Ax7Eh Gold Pin
Electro HarmonixElectro Harmonix 12AX7EH Gold Pin
From $39.95
No reviews
Genalex Gold Lion CV4004 / ECC83 / 12AX7 Gold Pin Preamp Vacuum Tube
GenalexGenalex Gold Lion CV4004 / ECC83 / 12AX7 Gold Pin Preamp Vacuum Tube
$54.99
No reviews
Tung-Sol 12AT7W Preamp Vacuum Tube
Tung SolTung-Sol 12AT7W Preamp Vacuum Tube
$28.95
No reviews
Tung-Sol 12AU7W Preamp Vacuum Tube
Tung SolTung-Sol 12AU7W Preamp Vacuum Tube
$26.95
No reviews
JJ 12AY7 Preamp Vacuum Tube
JJ ElectronicsJJ 12AY7 Preamp Vacuum Tube
$21.39
No reviews
JJ 6SN7 Preamp Tube Jj 6Sn7 Tube
Ruby TubesJJ 6SN7 Preamp Tube
From $24.00
No reviews