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-6KG6A_EL509 Vacuum Tube - 6KG6A / EL509, Beam Power Amplifier
Magnoval type used as a horizontal-deflection amplifier in color television receivers.
$44.50
T-6KN6 Vacuum Tube - 6KN6, Beam Power Amplifier
Duodecar type used as horizontal-deflection amplifier in color and black-and-white television receivers.
$19.90
T-6L5G Vacuum Tube - 6L5G, Triode
General purpose triode designed for service as an oscillator, detector, or amplifier. It is recommended for use where economy of heater current is important.
$7.90
T-6L6 Vacuum Tube - 6L6, Tetrode, Beam Power, Metal
The 6L6 is designed with high power sensitivity and high efficiency for service in the output stages of AC receivers. They are capable of delivering an output at all power levels with a very low percentage of harmonic distortion.
$29.90
T-6L6-EH Vacuum Tube - 6L6, Electro-Harmonix
Superior power Beam tetrode with large plate dimensions and improved grid structure for increased power handling capabilities. Excellent tone and performance compared to most other 6L6 or KT66 types.
Starting at $38.90
T-6L6G Vacuum Tube - 6L6G, Beam Power Amplifier, ST Glass
The 6L6G is designed with high power sensitivity and high efficiency for service in the output stages of AC receivers. They are capable of delivering an output at all power levels with a very low percentage of harmonic distortion.
$59.60
T-6L6GA Vacuum Tube - 6L6GA, Beam Power Amplifier
Beam power amplifier tetrode designed for use in the output stage of radio receivers or other equipment requiring high power output, power sensitivity and efficiency.
$29.90
T-6L6GB Vacuum Tube - 6L6GB, Beam Power Amplifier
Beam pentode designed primarily for use in audio-frequency power amplifier applications where relatively large power outputs are required.
$43.90
T-6L6GB-PSV Vacuum Tube - 6L6GB, Clear Top, Classic Series, Psvane
The Psvane 6L6GB is a high quality beam power tetrode with an octal base. The Psvane 6L6GB is noted for its outstanding sound and is an excellent choice for both guitar and stereo amplifiers. The clear top construction is similar to the classic short bottle 6L6 tubes made by GE and RCA. The 6L6GB is similar to other 6L6/5881 tubes but with a maximum plate dissipation of 19W. The Psvane Classic Series is focused on the reproduction of popular vacuum tubes found in classic audio equipment. When designing the Classic Series, Psvane collected the most sought-after NOS tubes and analyzed each element of their construction, incorporating the most effective manufacturing techniques to produce stable tubes with excellent sound. Whether used in guitar amplifiers or hifi stereo systems, the Psvane Classic Series vacuum tubes excel in all applications. Psvane has been producing high quality vacuum tubes since 2011.
Starting at $26.95
T-6L6GC-JJ Vacuum Tube - 6L6GC, JJ Electronics
The JJ Electronic 6L6GC is the classic pentode built with the rugged construction that only JJ could deliver. At 30W, this tube delivers plenty of headroom. The highs are clear and responsive with warm mids and tight solid lows. Known for their reliability and articulation, the JJ 6L6GC is a great option guitar amplifiers and Hi-Fi stereo equipment.
Starting at $26.95
T-6L6GCM-RB-TAD Vacuum Tube - 6L6GCM-STR, Redbase, Tube Amp Doctor
The TAD 6L6GCM-STR REDBASE is Tube Amp Doctor's latest 6L6GC; designed and built to be the best 6L6 type tube ever manufactured. A high claim, but Tube Amp Doctor is sure that they have achieved exactly that. In terms of sound, the TAD 6L6GCM-STR REDBASE produces the powerful but always defined bass response known from the legendary american built NOS RCA 6L6GC, with clear, unobtrusive and yet transparent highs.
Starting at $35.95
T-6L6GC-STR-T Vacuum Tube - 6L6GC STR, Tung-Sol Reissue
Tung Sol 6L6GC “STR” beam-power tetrode tube. Made in Russia. The Tung-Sol legacy continues with the introduction of the new 6L6GC STR. The ultimate in musical tone and smooth overdrive, the STR delivers the sound that established Tung-Sol as the benchmark of quality. Built to the same “Special Tube Request” specs of leading amplifier manufacturers of the 1960s, the 6L6GC STR is a rugged and reliable power tube for use in the most demanding guitar amplifier circuits.
Starting at $40.75
T-6L6GC-SV-X Vacuum Tube - 6L6GC, Svetlana
Superior power beam tetrode, engineered for demanding high fidelity, reliability and overall warmth. Traditional brown base.
Starting at $45.45
T-6L6GC-US Vacuum Tube - 6L6GC, Beam Power Amplifier
Beam power pentode primarily designed for use in audio-frequency power amplifier applications. Features include high power output capabilities, high plate and screen dissipation ratings, high efficiency, high power sensitivity, and low distortion.
$66.95
T-6L6G-TUNG Vacuum Tube - 6L6G, Tung-Sol
Tung Sol 6L6G power pentode tube. Made in Russia. Large bottle type for the look and sound of 6L6 tubes used during the golden age of hi-fi in the 1940s and early 1950s. Uprated to 6L6GC specs for improved performance and reliability.
  • Extremely musical and accurate sound stage
  • Extra thick & heavy “Big Bulb” for vintage look and feel
  • 5881 / KT66 equivalent
Starting at $83.85
T-6L6WGC-RB-TAD Vacuum Tube - 6L6WGC-STR, Redbase, Tube Amp Doctor
The Classic Sound of the 1950s and 60s - Excellent Tone, Maximum Lifetime! The TAD 6L6WGC-STR Redbase is the perfect choice for vintage tweed and blackface amps such as the 1960s Bassman, Twin, Showman or Super Reverb. The complex midrange and sweet heights are a class of its own. The TAD 6L6WGC-STR Redbase is recommended for classic tone with warm cleans and rich, sweet mids when pushed. Great for fat jazz or blues tones and our favorite in all open back combo amplifiers. The TAD 6L6WGC-STR is a remake of the small bottle clear-top GE6L6GC and has the same warm lower midrange and silky top end as the classic GE versions of the 1950s and 60s. Like the historic RCA 5881, this tube features a small bottle enclosure, clear top and side getter. The TAD 6L6GCM-STR and the TAD 6L6WGC-STR have our exclusive beefed up cathode coating, gold grid wire, double getter construction, no-noise filaments and 1.2mm thick heavy duty glass.
Starting at $37.80
T-6L6WXT+SOVT Vacuum Tube - 6L6WXT+, Sovtek
Higher in gain than the 5881WXT, with full base. Modelled after the vintage RCA 6L6GC "blackplate," the Sovtek 6L6WXT+ features larger plate dimensions and improved grid structure for increased power handling capabilities.
The 6L6WXT+ also features mica spacers with metal springs to eliminate tube rattle and microphonics. The Sovtek 6L6WXT+ yields a 20% higher output than the Sovtek 5881WXT and offers superior tone and overall performance to any 6L6 or KT66. The ultimate 6L6, the WXT+ will improve the sound of any 6L6 guitar amplifier.
Starting at $43.55
T-6L7 Vacuum Tube - 6L7, Heptode
Mixer tube designed for service with a separate oscillator as the first detector in superheterodyne receivers. The control grid is of the remote cut-off type which allows the use of AVC and minimizes cross-modulation.
$5.90
T-6L7G Vacuum Tube - 6L7G, Pentagrid Mixer
Mixer tube designed for service with a separate oscillator as the first detector in superheterodyne receivers. The control grid is of the remote cut-off type which allows the use of AVC and minimizes cross-modulation.
$5.90
T-6LB6 Vacuum Tube - 6LB6, Beam Power Amplifier
Compactron beam-power pentode primarily designed for use as the horizontal-deflection amplifier in color television receivers. Very low knee voltage, high plate-to-screen ratio, and high peak current capability.
$40.80
T-6LR8 Vacuum Tube - 6LR8, Triode, Pentode
Triode-pentode containing a high-mu triode and a beam pentode. The triode is designed for service as a vertical-deflection oscillator, and the pentode as a vertical-deflection amplifier in television receivers.
$8.90
T-6LU8 Vacuum Tube - 6LU8, Triode, Pentode
Compactron containing a medium-mu triode and a beam pentode. The triode is designed for service as a vertical-deflection oscillator and the pentode as vertical-deflection amplifier in television receivers.
$7.90
T-6M11 Vacuum Tube - 6M11, Triode, Dual - Pentode
New-Old-Stock (NOS) tube. Compactron twin-triode pentode.
$8.05
T-6N1-P-SOVT Vacuum Tube - 6N1-P, Sovtek
Sovtek 6N1P dual triode preamp tube. Made in Russia.
The 6H1P double triode has been designed for low-frequency voltage amplification.
$25.60
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