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 - 211 / VT-4C, Triode, Power Amplifier
New-Old-Stock (NOS) tube.
Also known by US military identifier VT-4C.
Also known by US military identifier VT-4C.
Vacuum Tube - 12AX7, Telefunken, Dual Triode, Smooth Plate
Triode, Dual, Telefunken Brand - Smooth Plate
Vacuum Tube - 12AX7, Telefunken, Dual Triode, Ribbed Plate
Triode, Dual, Telefunken Brand - Ribbed Plate
Vacuum Tube - 2A3, Triode, Power Amplifier, Single Plate
Triode, Power Amplifier, Single Plate
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
Vacuum Tube - 6L6GC, RCA, Beam Power Amplifier, Black Plate
RCA, Beam Power Amplifier, Black Plate
Vacuum Tube - 12AX7 / ECC83, Mullard, Dual Triode
Mullard brand. Miniature high-mu twin triode each section of which has an individual cathode connection - especially suited for use in resistance-coupled voltage amplifiers, phase inverters, multivibrators, and industrial-control circuits.
Vacuum Tube - 8950, Pentode, Power Amplifier
Compactron beam power pentode primarily designed for RF power output applications. Features of the 8950 are dual cathode and grid connections for lower lead inductance, and a 13 volt heater.
Vacuum Tube - EL84 / 6BQ5, Telefunken, Pentode, Power
Telefunken, Pentode, Power
Vacuum Tube - 12AX7A, Amperex Bugle Boy, Dual Triode
12AX7A - Triode, Dual, Amperex Bugle Boy Brand
Vacuum Tube - 6CA7 / EL34, Mullard, Pentode
Power pentode of the glass octal type. This tube is suitable for all applications which require peak powers of up to 11 watts from a single tube or up to 100 watts from two tubes in the normal push-pull arrangement.
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 - 12AX7A, RCA, Triode, Dual
RCA brand. Miniature high-mu twin triode each section of which has an individual cathode connection - especially suited for use in resistance-coupled voltage amplifiers, phase inverters, multivibrators, and industrial-control circuits.
Vacuum Tube - 5881, Tung-Sol, Tetrode, Beam Power
The 5881 is the electrical equivalent to types 6L6 and 6L6GC except that the plate and screen dissipation ratings have been increased approximately 20 percent.
Vacuum Tube - EL84 / 6BQ5, Amperex Bugle Boy, Pentode, Power
Amperex Bugle Boy, Pentode, Power
Vacuum Tube - EL84 / 6BQ5, Mullard, Pentode, Power
The EL84 is an output pentode rated for 12W anode dissipation, primarily intended for use in a.c. mains operated equipment.
Vacuum Tube - 801-A, Triode, Power Amplifier
The 801A is an RF power amplifier, AF power amplifier, and modulator
Vacuum Tube - 4-125A / 4D21, Tetrode, Power Amplifier
The 4D21 / 4-125A is a four-electrode tube designed for use as a power amplifier and oscillator. The anode is capable of dissipating 125 watts, and cooling is accomplished by radiation.
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 Sampler Set - EL84, 9 tubes total
Package of 9Sampler set of EL84 vacuum tubes. Contains one each of the following: Electro-Harmonix EL84, Genalex Gold Lion EL84, JJ Electronic EL84, Mullard Reissue EL84, Sovtek EL84, Tung-Sol EL84, JJ Electronic EL844, Sovtek EL84M, Tube Amp Doctor EL84
Vacuum Tube - 12AY7, RCA, Triode, Dual
RCA brand. Miniature medium-mu twin triode designed primarily for use in low-level stages of high-gain audio-frequency amplifiers. The tube is specially designed to exhibit low noise and low microphonic output.
Vacuum Tube - 8417, Beam Power Amplifier
Beam-power pentode intended for service in high power, high-fidelity audio equipments and is capable of 100 watts output in push-pull circuitry. It also finds application as a regulator tube.
Vacuum Tube - 2A3, RCA, Triode, Power Amplifier
Three-electrode, high-vacuum type of power amplifier tube for use in the power-output stage of a-c operated receivers. The exceptionally large power-handling ability of the 2A3 is the result of its design features.
Vacuum Tube - 6922 / E88CC, Dual Triode, Gold Pins
Dual Triode, Gold Pins