# 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 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 - 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.
$125.91 Save 10% Originally:$139.90
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.
$5.31 Save 10% Originally:$5.90
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.
$7.11 Save 10% Originally:$7.90
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.
$14.31 Save 10% Originally:$15.90
Vacuum Tube - 5687, Tung-Sol, Dual Triode
Triode, Dual, Tung-Sol Brand
$44.91 Save 10% Originally:$49.90
Out of Stock
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.
$4.95 Save 50% Originally:$9.90
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.
$20.21 Save 10% Originally:$22.45
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.
$4.41 Save 10% Originally:$4.90
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.
$7.11 Save 10% Originally:$7.90
Vacuum Tube - 6082-A, Dual Triode, Low MU
Reliable hard glass low-mu twin power triode
$16.56 Save 10% Originally:$18.40
Vacuum Tube - 6085 / E80CC, Dual Triode
Special quality double triode designed for use as A.F. and D.C. amplifier.
$48.56 Save 10% Originally:$53.95
Vacuum Tube - 6100 / 6C4WA, Triode, Medium-MU
The 6100 / 6C4WA is a heater-cathode type medium-mu triode of miniature construction, suitable for use as a class C amplifier and oscillator. This type is characterized by long life and stable performance.
$4.46 Save 10% Originally:$4.95
Vacuum Tube - 6211-A, Dual Triode, Medium MU
Miniature, medium-mu twin triode for service in electronic computers. The electrical characteristics are essentially equivalent to those of the 5844.
$4.01 Save 10% Originally:$4.45
Out of Stock
Vacuum Tube - 6678 / 6U8A, Triode, Pentode
Miniature tube containing a medium-mu triode and a sharp-cutoff pentode. It is especially suited for use as a combined oscillator and mixer at very high frequencies.
$8.91 Save 10% Originally:$9.90
Out of Stock
Vacuum Tube - 6679 / 12AT7, Dual Triode
Miniature high-mu twin triode suitable for use as a grounded-grid amplifier or as a frequency converter at frequencies below approximately 300 megacycles. Its electrical characteristics are essentially equivalent to those of the 12AT7.
$9.81 Save 10% Originally:$10.90
Out of Stock
Vacuum Tube - 6680 / 12AU7A, Dual Triode
Medium-mu triode in the 9 pin miniature construction. It is particularly suited for use in general-purpose amplifier and phase-inverter circuits as well as for the multi-vibrator and oscillator applications.
$21.51 Save 10% Originally:$23.90
Vacuum Tube - 6922 / E88CC, Dual Triode, Gold Pins
Dual Triode, Gold Pins
$112.46 Save 10% Originally:$124.95
Vacuum Tube - 6A5G, Triode, Power Amplifier
6A5G is a heater type power amplifier triode designed for the same service as types 6A3 and 6B4G. The tube is equipped with an octal base. This tube is quite free from hum so that no potentiometer is required for hum balance.
$89.91 Save 10% Originally:$99.90
Vacuum Tube - 6A6, Dual Triode
Twin triode designed for service as a class B power amplifier and as a class A driver
$6.21 Save 10% Originally:$6.90
Vacuum Tube - 6AC5G, Triode, Power Amplifier
High-mu power output triode designed for service in dynamic coupled circuits using a type 76, 6P5GT/G or 6J5GT/G as a driver. Two 6AC5Gs may be used as a zero bias class B amplifier.
$24.80 Save 10% Originally:$27.55
Out of Stock
Vacuum Tube - 6AC5GT, Triode, Power Amplifier
High-mu power output triode designed for service in dynamic coupled circuits using a type 76, 6P5GT/G or 6J5GT/G as a driver. Two 6AC5GTs may be used as a zero bias class B amplifier.
$11.61 Save 10% Originally:$12.90
Vacuum Tube - 6AS7G / 6520, Dual Triode
Glass type twin triode designed especially for service as a power amplifier. The low-mu and high plate current rating of the tube adapt it particularly well to booster operation in the scanning circuit of television receivers.
$25.11 Save 10% Originally:$27.90
Vacuum Tube - 6AV11, Triple Triode
Compactron containing three medium-mu triodes suitable for general-purpose amplifier, phase inverter, or oscillator applications.
$8.87 Save 10% Originally:$9.85
Vacuum Tube - 6AZ8, Triode, Pentode
Medium mu triode and a semi-remote cutoff pentode in the 9 pin miniature construction. It is intended for general purpose applications in both monochrome and color television receivers.
$11.61 Save 10% Originally:$12.90
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