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.
Vacuum Tube - 12SN7GT-A-B, Triode, Dual, Medium MU
Medium-mu twin triode suitable for use in a wide variety of general purpose amplifier and phase-inverter applications. Except for heater characteristics and ratings, the 12SN7GA-B is identical to the 6SN7GTB
$6.90
Vacuum Tube - 12SQ7, Diode, Dual, Triode
Combines two diode units and a high-mu triode in a single envelope. Each section uses a common cathode. It is intended for service as a combined detector, AVC source, and high gain audio amplifier.
$19.90
Vacuum Tube - 12SQ7GT, Diode, Dual, Triode
Combines two diode units and a high-mu triode in a single envelope. Each section uses a common cathode. It is intended for service as a combined detector, AVC source, and high gain audio amplifier.
$19.90
Vacuum Tube - 19T8 / HABC80, Diode, Dual, Triode
Miniature tube containing three high-perveance diodes and a high-mu triode in the same envelope. One of the diodes has a separate cathode connection. The tube is designed for use as a combined AM and FM detector and audio-frequency amplifier.
$7.90
Vacuum Tube - 5670 / 2C51W, Triode, Dual
Miniature medium-mu twin triode each section of which as a separate cathode connection. The tube is suited for use in a wide variety of general-purpose amplifier and mixer circuits as well as numerous multi-vibrator and oscillator applications.
$4.90
Vacuum Tube - 5687, Triode, Dual
General purpose medium-mu double triode using the 9-pin button all-glass construction. The tube is characterized by high perveance and high emission capabilities.
$19.90
Vacuum Tube - 5751, JJ Electronics
A dual triode that can be used in place of most 12AX7 circuits. The rugged build of this tube and reduced gain (30% less than a 12AX7) can improve headroom and give better control in high gain stages allowing users to more easily dial in sweet spots. The JJ 5751 features a smooth and balanced tone and a detailed response with low noise and low microphonics.
$19.95
Vacuum Tube - 5751, Tube Amp Doctor, Premium Selected
Low-noise Tube for Best Clean Tone! The TAD Selected 5751 is Tube Amp Doctor's first choice for noticeably improved clarity, smoothness, and a true vintage tone character for most guitar amps!
$27.90
On Backorder
Vacuum Tube - 5751, Tung-Sol Reissue
Tung Sol 5751 dual triode preamp tube. Made in Russia. NOS specs call the 5751 a “special 12AX7” having a high-mu amplification factor of 70.
$40.75
Vacuum Tube - 5963 / 12AU7A, Dual Triode
Miniature, medium-mu twin triode for use as a frequency divider in computer applications.
$9.90
Vacuum Tube - 6072-A, Triode, Dual
Low-noise, low-microphonic miniature twin triode designed primarily for use in the low-level stages of high-gain audio-frequency amplifiers.
$69.95
Out of Stock
Vacuum Tube - 6080, Triode, Dual
Low-mu twin power triode
$7.95
Vacuum Tube - 6111, Triode, Dual
Subminiature medium-mu twin triode for use in general purpose amplifier applications. Each section has an individual cathode and is electrically independent.
$7.90
Vacuum Tube - 6189 / 12AU7WA, Triode, Dual, Medium MU
Miniature medium-mu twin triode suitable for a wide variety of general-purpose amplifier, oscillator, and multivibrator applications.
$14.95
Out of Stock
Vacuum Tube - 6201 / 12AT7WA, Dual Triode, HI-MU
Miniature high-mu twin triode each section of which has an individual cathode connection. The tube is especially suited for use as a grounded-grid amplifier or as a frequency converter at frequencies below approximately 300 megacycles.
$23.95
Vacuum Tube - 6267 / EF86, Pentode, Sharp Cut-Off
Pentode intended for use as A.F. amplifier.
$49.95
Vacuum Tube - 6350, Triode, Dual
Miniature, medium-mu, twin triode primarily designed for service in computer applications. Each triode section features a high zero-bias plate current, a sharp-cutoff characteristic, and a separate cathode connection.
$24.90
Vacuum Tube - 6386, Triode, Dual, Remote Cut-Off
Miniature medium-mu twin triode in which each section exhibits a remote-cutoff characteristic. It is designed primarily for use as a cascode radio-frequency amplifier, intermediate-frequency amplifier, or mixer
$249.90
Vacuum Tube - 6386-LGP, JJ Electronics, Gold Pin
The impossible search for tubes to use in your high end studio equipment is over. JJ Electronic has spared no effort in creating a tube that meets the quality demands of working studios with the JJ 6386-LGP. This solidly constructed tube features gold pins.
$184.95
Vacuum Tube - 6414, Triode, Dual
Heater-cathode type, medium-mu double triode of miniature construction. This type is characterized by long life and stable performance. Features a high zero-bias plate current, a sharp cutoff characteristic, and separate cathode connections.
$12.90
Vacuum Tube - 6681 / 12AX7A, Triode, Dual
Miniature high-mu twin triode especially suited for use in resistance-coupled voltage amplifier, phase inverters, multivibrators, and other applications in which high voltage gain is desired.
$49.90
Vacuum Tube - 6922 / E88CC, Electro-Harmonix
High frequency twin triode preamplifier tube used in studio and hi-fi equipment.
Starting at $29.15
Vacuum Tube - 6922, Genalex Gold Lion, Gold Pin
Genalex Gold Lion E88CC/6922 dual triode preamp tube with gold pins. Made in Russia. The Genalex Gold Lion E88CC/6922 is a premium grade selected small signal twin-triode that is a suitable replacement for all 6DJ8, ECC88, 6922, E88CC, and 7308 types. This tube features gold plated pins and is manufactured to extremely tight specifications, making it the highest quality current production E88CC/6922 available.
$68.70
Vacuum Tube - 6922 / E88CC, JJ Electronics
The JJ Electronic E88CC / 6922 is a great replacement for any 6922, 6DJ8, or E88CC tube. JJ implements a solid construction that those familiar with their preamp tubes will find familiar. This tube’s high end clarity and warm smooth mids make the JJ E88CC and excellent choice for Hi-Fi preamps and amplifiers.
Starting at $25.75