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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12AX7C Groove Tubes Preamp Vacuum tube
12AX7C Groove Tubes Preamp Vacuum tube
$30.00
Sold out
Full Music 12AX7 Preamp Vacuum tube Full Music 12AX7 Preamp Vacuum tube
Full Music 12AX7 Preamp Vacuum tube
$50.00
Full Music 12AX7 Preamp Vacuum tube Full Music 12AX7 Preamp Vacuum tube
Full Music 12AX7 Preamp Vacuum tube
$25.00
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
Ruby 12AX7WBC Silver Plate Preamp Vacuum Tube, vintage ruby tube Ruby 12AX7WBC Silver Plate Preamp Vacuum Tube, vintage ruby tube
Ruby 12AX7WBC Silver Plate Preamp Vacuum Tube
$50.00
Electro-Harmonix EF86 Preamp Vacuum Tube
Electro-Harmonix EF86 Preamp Vacuum Tube
$30.00
Electro Harmonix 6CA4 Vacuum Tube Electro Harmonix 6CA4 Vacuum Tube
Electro Harmonix 6CA4 Vacuum Tube
$27.00
12AY7EH elctro harmonix preamp vacuum tube
Electro-Harmonix 12Y7EH Preamp Vacuum Tube
$26.90
12AX7LPS Preamp vacuum tube
Sovtek 12AX7LPS Preamp Vacuum Tube
$28.00
6973 Electro Harmonix Power Vacuum Tube ruby tested power tube
6973 Electro Harmonix Power Vacuum Tube
$35.00
Sold out
JJ ECC803S Preamp Vacuum Tube ruby tested
JJ ECC803S Preamp Vacuum Tube
$23.00
JJ ECC832 Preamp Vacuum Tube ruby tested tube
JJ ECC832 / 12DW7 Preamp Vacuum Tube
$29.00