[Skip to content]

Vacuum Tubes

  • Sort:
  • 1
  • 2
  • next >
  • last >>
  • View All (2 pages)
Ruby 12AX7A-C5 Vacuum Tube
9 pin miniature preamp tube (Amplification Factor = 100). This is the ubiquitous Chinese 12AX7 with added selection. The gain is high and the American "Ruby Tubes" must be filtering out the noisiest ones. For more information about our 12AX7 tubes, see our tech corner article on 12AX7s.
More Details
$13.95
EL34B STR, Ruby Tubes
Octal power tube (Max Plate Watts = 25W)
More Details
Ruby 5U4GC Vacuum Tube
Ruby tubes are sorted and selected for the maximum quality possible. The sorting process eliminates failures and ensures satisfaction.
More Details
$12.20
Out of Stock
5AR4 Ruby
5AR4 Ruby, Rectifier Tube
More Details
$15.00
12AT7 Ruby
12AT7 Preamp tube, Ruby brand
More Details
$9.55
12AU7 RUBY
12AU7 Ruby brand preamp tube
More Details
$9.55
6550A STR
6550A-STR, Ruby brand, Power Tube
More Details
6L6GC-M-STR, Ruby Tubes
Octal power tube (Max Plate Watts = 30W)
More Details
  • Sort:
  • 1
  • 2
  • next >
  • last >>
  • View All (2 pages)