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 - 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 $37.95
Vacuum Tube - 5965-A, Dual Triode
Miniature 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.
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 $18.25
Vacuum Tube - 7025 S, Tube Amp Doctor, Premium Selected
The vintage made in England Mullard ECC83 has been accurately recreated in the Tube Amp Doctor 7025 S. This highly sought after tube is regarded by many as the best dual triode to have ever been created for audio use. TAD offers a reliable and affordable way to experience the sound of this legendary tube.
The 7025 S is notable for its rich and complex harmonics. The warmth in the midrange of this tube stands out among similar preamp tubes. The TAD 7025 has nice round clean tones as well as a creamy yet articulate overdrive. Its rugged mechanical construction with extra thick mica spacers along with TAD’s premium selection process ensures a highly reliable preamp tube. Tube Amp Doctor especially recommends the 7025 S for use in British and British style amplifiers.
The Tube Amp Doctor 7025 works in any 7025, 12AX7, or ECC83 position.
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.
Vacuum Tube - EF806 / EF86 / 6267, JJ Electronics, Long Plate
The JJ Electronic EF806S is a high quality reproduction of the classic EF86. This pentode features a robust construction with the internal shielding used in the original tubes. The JJ EF806 can be used in any EF86 circuit including microphones and amplifiers.
Starting at $29.95
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 $129.95
Vacuum Tube - 6KN6, Beam Power Amplifier
Duodecar type used as horizontal-deflection amplifier in color and black-and-white television receivers.
Vacuum Tube - 12V6GT, Tetrode, Beam Power
Beam pentode designed primarily for use in the audio output stage of a-c and storage-battery-operated equipment. It is capable of supplying high power output with high sensitivity, high efficiency, and low third and higher-order harmonic distortion.
Vacuum Tube - 6688 / E180F, Philips, Pentode, RF, Gold Pin
Special quality pentode designed for use as wide band amplifier.
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Originally: $12.55
Vacuum Tube - 3Q5GT, Tetrode, Beam Power
Filament type power-amplifier pentode tube designed for use in the output stage of battery operated equipment.
Vacuum Tube - 6DT8, Dual Triode
Miniature, high-mu, twin triode designed for use as a radio frequency amplifier or as a combined oscillator and mixer in FM receivers.
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.
Vacuum Tube - 6A7, Pentagrid Converter
Pentagrid converter designed for service as an oscillator and mixer in AC operated and ac-operated receivers. With the exception of heater ratings, they have identical ratings and electrical characteristics.
Vacuum Tube - 6V6GT, Electro-Harmonix
Octal power tube (Max Plate Watts = 14W) Beam power tetrode with a specially developed cathode coating, careful alignment of the grid, tri-alloy plate material for flawless performance up to 475 volts. Perfect for high plate voltage amplifiers like the Fender Deluxe Reverb.
Starting at $18.95
Vacuum Tube - 12AY7 / 6072A, Electro-Harmonix
Electro-Harmonix 12AY7/6072 Twin triode preamplifier tube used in Fender Tweed amplifiers.
Vacuum Tube - 6FM7, Dual Triode, Dissimilar
Compactron dissimilar double triode designed for used as a combined vertical-deflection oscillator and amplifier in television receivers.
Vacuum Tube - 0Z4-A, Rectifier, Full Wave, Gas
The 0Z4A is a gas-filled, double diode employing an ionic-heated cathode. Its principal application is as a full-wave power rectifier in equipment with vibrator type power supplies.
Vacuum Tube - 5R4GY-A-B, Rectifier, Full Wave
The 5R4GY is designed for rectifier use in equipment requiring a high peak inverse voltage rating. Satisfactory operation of this tube type under conditions falling within area 1 on curve no 1 may be obtained without filament preheating.
Vacuum Tube - 7408 / 6V6GT, Beam Power Amplifier
Beam power pentode primarily designed for use in audio frequency power amplifier applications. The tube is a direct replacement for the 6V6Gt, but features additional controlled zero-bias characteristics.
Vacuum Tube - 1U5, Diode, Sharp Cut-Off Pentode
Miniature diode sharp-cutoff pentode designed for use as a combined detector, audio-frequency amplifier, and automatic-volume-control tube in compact, battery-operated receivers.
Vacuum Tube - 6BL8 / 6LN8, Triode, Pentode
Triode-pentode in the 9 pin miniature construction. It is designed for use as a frequency changer in television receivers.
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.