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 - 417A, Western Electric, Triode
9-pin miniature triode with an indirectly heated cathode. It is intended primarily for grounded-grid operation in the input stage of broad band amplifiers.
Vacuum Tube - 420-A / 5755, Western Electric, Dual Triode
Triode, Double, Western Electric brand
Vacuum Tube - 45, Triode
Filament type triode power amplifier designed for service in the output stage of audio amplifiers where high output and low harmonic distortion are desired.
Vacuum Tube - 50BM8 / UCL82, Triode, Pentode, Power
Miniature type triode-pentode designed for use as an AF amplifier by triode section and AF power amplifier by pentode section in radio receivers.
Vacuum Tube - 55, Dual Diode, Triode
Heather cathode type tube consisting of two diodes and a triode in a single bulb. It is designed for use as a combined detector, amplifier, and automatic volume control.
Vacuum Tube - 56, Triode
Heater-cathode type triode designed for use as a detector, amplifier, or oscillator tube in a-c or battery operated equipment.
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.
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.
Vacuum Tube - 5687, Tung-Sol, Dual Triode
Triode, Dual, Tung-Sol Brand
Out of Stock
Vacuum Tube - 5692, Triode, Dual, Red Base
Triode, Dual, Red Base
Vacuum Tube - 5751, GE JAN, Dual Triode, HI-MU
Miniature high-mu twin triode each section of which as an individual cathode connection suited for use in resistance-coupled voltage amplifiers, phase inverters, multivibrators, and industrial-control circuits where high voltage gain is desired.
Vacuum Tube - 5751, Triode, Dual, HI-MU
Miniature high-mu twin triode each section of which as an individual cathode connection suited for use in resistance-coupled voltage amplifiers, phase inverters, multivibrators, andindustrial-control circuits where high voltage gain is desired.
Vacuum Tube - 5755 / 420A, Dual Triode
The 420A electron tube is a double-triode having separate indirectly heated cathodes. The heater is center-tapped to permit operation from a 6.3 or 12.6 volt filament supply.
Vacuum Tube - 5814A, Triode, Dual, Medium MU
Medium-mu twin triode 9-pin miniature type, intended for applications where dependable performance under shock and vibration is paramount. The 5814A is a "premium" version of the 12AU7.
Vacuum Tube - 5842 / 417A, Triode
9-pin miniature triode with an indirectly heated cathode. It is intended primarily for grounded grid operation in the input stage of broad band amplifiers.
Vacuum Tube - 5963 / 12AU7A, Dual Triode
Miniature, medium-mu twin triode for use as a frequency divider in computer applications.
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 - 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.
Vacuum Tube - 6060 / ECC801, Triode, Dual
Miniature type double triode employing the 9 pin glass button base, having the same general characteristics as the 12AT7 and as a frequency changer, opoerating at frequencies up to 500 Mc/s.
Out of Stock
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.
Out of Stock
Vacuum Tube - 6080, Triode, Dual
Low-mu twin power triode
Vacuum Tube - 6082-A, Dual Triode, Low MU
Reliable hard glass low-mu twin power triode
Vacuum Tube - 6085 / E80CC, Dual Triode
Special quality double triode designed for use as A.F. and D.C. amplifier.
Out of Stock
Vacuum Tube - 6100 / 6C4WA, Philips ECG, Triode, Medium-MU
Philips ECG, Triode, Medium-MU