Vacuum Tubes

The first electronic amplification of sound was done with Vacuum Tubes. We have pre-amp, power and rectifier vacuum tubes among other types in New Old Stock from the golden era of American & European manufacturing as well as current production tubes from today.

Ruby

Ruby tubes are manufactured in China and tested for quality and performance.

Vacuum Tubes

The first electronic amplification of sound was done with Vacuum Tubes. We have pre-amp, power and rectifier vacuum tubes among other types in New Old Stock from the golden era of American & European manufacturing as well as current production tubes from today.
T-12AT7-C Vacuum Tube - 12AT7, Ruby
12AT7 Preamp tube, Ruby brand
$18.75
T-12AT7-CHINA Vacuum Tube - 12AT7, China
Chinese 12AT7 dual triode.
$12.34
T-12AU7-CHINA Vacuum Tube - 12AU7, China
9 pin miniature preamp tube (Amplification Factor = 17)
$11.10
T-12AX7-CHINA Vacuum Tube - 12AX7, China
9 pin miniature preamp tube (Amplification Factor =100). This ubiquitous Chinese tube is straightforward and bright. Its high gain gives it some bite, too. In overdrive, it brings out the highs and offers easy access to harmonic sustain.
$11.10
T-12AX7A-C5 Vacuum Tube - 12AX7A-C5, Ruby Tubes
The Ruby 12AX7AC5 HG is Ruby’s most popular preamp tube. These high grade tubes are chosen by manufacturers and builders worldwide for their consistency and musicality. Often described as sounding sweet, the 12AX7AC5 has solid lows, warm mids, and silky highs.
$15.90
T-12AX7A-CHINA Vacuum Tube - 12AX7A, China
9 pin miniature preamp tube (Amplification Factor =100). This is the Chinese 12AX7A. The 12AX7A is a lower noise version of the 12AX7.
$10.95
T-12AX7B-CHINA Vacuum Tube - 12AX7B, China
9 pin miniature preamp tube (Amplification Factor = 100). The Chinese 12AX7B is very similar in tone to its standard Chinese cousin, but the Bs seem to average in at slightly lower gain and noise.
$11.25
T-300B-VA-X Vacuum Tube - 300B, Valve Art
Valve Art, 300B Power Tube
Starting at $138.87
T-5AR4-C Vacuum Tube - 5AR4, Ruby Tubes
5AR4 Ruby, Rectifier Tube
$21.95
On Backorder
T-5AR4-CHINA Vacuum Tube - 5AR4, Chinese
Chinese 5AR4 Vacuum Tube
$18.54
T-6146B-CHIN Vacuum Tube - 6146B, Chinese
Available in Singles, Matched Pairs or Matched Quads - please select from list.
Starting at $33.48
T-6L6GC-M-STR-X Vacuum Tube - 6L6GC-M-STR, Ruby Tubes
Octal power tube (Max Plate Watts = 30W)
Starting at $21.50
Partially Out of Stock
T-6L6WGC-SINO Vacuum Tube - 6L6WGC, Black Plate, Made in China
6L6WGC - Black Plate, Made in China
Starting at $17.30
T-6L6WGS-SINO Vacuum Tube - 6L6WGS, Black Plate, Short Bottle, Made in China
6L6WGS - Black Plate, Short Bottle, Made in China
Starting at $17.30
T-6V6GT-CHINA Vacuum Tube - 6V6GT, Chinese
Chinese 6V6GT Available in Singles, Matched Pairs or Matched Quads - please select from list.
Starting at $13.02
T-7025-CHINA Vacuum Tube - 7025, China
7025 - 9 pin miniature preamp tube Made in China Lower hum/noise version of a 12AX7/ECC83 Voltage gain rating: 1 2 3 4 5 6 7 8 9 10 Lows Mids Highs
$14.82
T-811A-CHINA-X Vacuum Tube - 811A, Triode, Power Amplifier, China
Chinese 811A Available in Singles or Matched Pairs - please select from list.
Starting at $26.04
T-812A-CHINA-X Vacuum Tube - 812A, Triode, Power Amplifier, China
Chinese 812A Available in Singles or Matched Pairs - please select from list.
Starting at $29.70
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