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 - 6BY5GA, Dual Rectifier
Full-wave vacuum rectifier for television damper service
$4.90
Vacuum Tube - 6EQ7, Diode, Pentode
Diode and a remote cutoff pentode with a common cathode of the 9 pin miniature type especially designed for use as combined IF amplifier and AM detector tubes in AM and AM/FM broadcast receivers.
$4.90
Vacuum Tube - 6L6GC, Svetlana
Superior power beam tetrode, engineered for demanding high fidelity, reliability and overall warmth. Traditional brown base.
Starting at $45.45
Vacuum Tube - 78, Pentode, Remote Cut-Off
Heater-cathode type pentode amplifier tube with remote cut-off characteristics and is designed for use as a radio frequency or intermediate frequency amplifier in a-c or battery operated equipment
$7.90
Vacuum Tube - KT120, Tung-Sol Reissue
Super-premium Octal Beam Tetrode, impervious to overload when used at parameters found in existing 6550/KT88/KT90 circuits. Plate dissipation of 60 watts and higher current handling capacity has allowed the design of new amplifiers which are unique, extremely powerful and stable.
Starting at $81.30
Vacuum Tube - 12AF6, Pentode
Miniature pentode intended for use as a radio-frequency or intermediate frequency amplifier in automobile radio receivers. The tube is specially designed to operate with plate and screen voltages supplied directly from a 12-volt storage battery.
$3.90
Vacuum Tube - 6146A, Beam Power Amplifier
Small, sturdy, beam power tube having a high efficiency and high power sensitivity. It is designed for use as an rf power amplifier and oscillator as well as an af power amplifier and modulator in both mobile and fixed equipment.
$34.90
Vacuum Tube - 6AK8 / EABC80, Dual Diode, Triode
Triple diode triode for F.M. or FM/AM broadcast receivers and for video and audio signal detection in television receivers.
$14.90
Vacuum Tube - 6C8G, Dual Triode
General purpose twin triode having two independent units, with all electrodes brought out to separate terminals.
$6.95
Vacuum Tube - 6FM7, Dual Triode, Dissimilar
Compactron dissimilar double triode designed for used as a combined vertical-deflection oscillator and amplifier in television receivers.
$4.90
Vacuum Tube - 6GV8 / ECL85 /ECL805, Triode, Pentode, Power
Combined triode and beam pentode especially intended for use in vertical output stage, particularly 110 degree picture tubes. Special attention has been paid to properties important for this application, such as microphonism and linearity.
$4.45
Vacuum Tube - 6JM6-A, Beam Power Amplifier
Duodecar type used as a horizontal-amplifier tube in color and black-and-white television receivers.
$4.95
Vacuum Tube - 6V6, Tetrode, Beam Power
Heater-cathode type beam power amplifier tube designed for service in the output stage of a-c or battery-operated equipment.
$17.90
Vacuum Tube - EL84 / N709, Genalex Gold Lion
Super Premium power pentode, highest quality in current production. Perfect for Vox AC30, from soft overdrive and organic sustain to great harmonic crunch. Used in many vintage HiFi applications.
  • Unique single halo type getter & plate coating
  • N709/6BQ5 equivalent
Starting at $41.95
Vacuum Tube - 12SA7GT, Pentagrid Converter
Pentagrid converter designed to minimize frequency drift. They are intended for service as combined oscillators and mixers in AC, storage battery, and AC/DC operated superheterodynes.
$5.90
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 - 2A3, JJ Electronics
The JJ Electronic 2A3 features a robust construction in a beautiful thick glass envelope. The JJ 2A3 offers 40 Watts of plate dissipation which far surpasses the headroom of other 2A3 tubes by 25 Watts. The single plate build and increased ratings give this tube the highest reliability. The JJ 2A3 has amazing detail and clarity with excellent separation.
Starting at $179.95
Vacuum Tube - 6021, Dual Triode
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 - 6BZ6 / 6JH6, Pentode, Semi-Remote Cut-Off
Miniature semi-remote-cutoff pentode designed primarily for use as an intermediate frequency amplifier in television receivers.
$5.90
Vacuum Tube - 6DJ8 / ECC88, Dual Triode
Frame grid double triode of miniature construction with high transconductance and low noise, designed for service in television receiver VHF cascode RF amplifiers, IF amplifiers, and phase inverter stages.
$23.90
Vacuum Tube - 6GU7, Dual Triode, Medium MU
Medium-mu twin triode of the 9 pin miniature type intended for use in the matrixing circuits of color television receivers. It can also be used in phase-inverter, multivibrator, and general-purpose amplifier applications
$7.90
Vacuum Tube - 6Q7GT, Dual Diode, Triode
Combines two diodes and a high-mu triode in a single envelope, using a common cathode. It is designed for service as a diode detector, AVC rectifier, and as a high gain resistance coupled amplifier
$7.85
Vacuum Tube - ECC99, JJ Electronics
The JJ Electronic ECC99 is a noval based dual triode. This tube features a rugged construction and is also available with gold pins. The ECC99 is typically used as a driver for power triodes in 2A3 and 300B amplifiers but can also be used as a power tube in small amps and headphone amps. This tube can also be a functional replacement for 5687, E182CC, 6840, and 6BL7 tubes. Note: Sockets on some of these types could have a different set-up.
Starting at $27.50
Vacuum Tube - KT88, Mullard Reissue
Premium Octal beam Tetrode, an exact copy of the KT88 valve manufactured by Marconi-Osram for Marshall in the late 1960s and 70s. Powerful, balanced and detailed soundstage with full bass.
  • Direct replacement for any 6550 types
  • Excellent replacement output valve for the Marshall Major, retains the original sound
  • Equally well suited for hifi
Starting at $72.20