Vacuum Tubes

Tube, electron. Base: heavy 7 pin. Note: Double marked VT-136. Learn More

Tube, electron. Base: 8 octal. Note: ALT P/N: VT-131. Ken-Rad/RCA (Radiotron). Made in the USA. Learn More

Tube, electron. Base: 8 Octal, with 6 working pins. Double marked VT-139. Maybe replaced with equal manufactured by Sylvania or Hytron. Learn More

Tube, electron. Power triode. 6.3V 2.5Amp 25Watt. Base: 4 Pin, 34.3mm D x 28.0mm deep. Dimensions: glass tube 61.1mm D x 117.00mm high including top contact. Factory new, complete with specification sheet. Learn More

Tube, electron. Triode-Pentode. Mount: 9 pin. Learn More

Tube, electron. Base 8 Pin. Made in the USA. Learn More

Tube, electron. Voltage regulator, miniature glow-discharge type. A cold-cathode. Mount: 7 Pin. Dimensions: glass tube 17.7mm D x 58.9mm high. Made in the USA. Learn More

Tube, electron. 4000V PIV, 0.5A max average current, 2A peak, 20A surge at 500Hz max. 30s minimum preheating. Base: 4 pin, 1.358" (34.5mm) D x 1.10" (27.9mm) high. Dimensions: glass tube 2.05" (52mm) D x 5.31" (135mm) long. Made in the USA. Learn More

RCA - 3B25 - Tube, Electron.

Xenon filled half-wave rectifier tubes manufactured in the United States by RCA. These 4 pin UX4 base thick glass tubes, capable of up to 400 volts on the anode, come with solid interior construction, silver plates and side getters. They are printed in white with old style RCA logo, RCA ELECTRON TUBE RADIOTRON MADE IN U.S.A. 

Half Wave Rectifier, Gas Filled

4000V PIV, 0.5A max average current

2A peak

20A surge at 500Hz max.

30s minimum preheating.

Base: 4 pin, 1.358" (34.5mm) D x 1.10" (27.9mm) high.

Dimensions: glass tube 2.05" (52mm) D x 5.31" (135mm) long.

Genuine RCA - Vintage - New Old Stock

Made in the USA

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Tube, electron. VHF transmitting beam tetrode. 6.3V AC or DC. 0.8Amp. Base: 8 Octal, 32.7mm D x 16.4mm deep. Dimensions: glass tube 28.5mm D x 61.00 high including top contact. Made in the USA. Note: pins 4 and 6 are internal connections. Learn More

Tube, electron. Half-wave vacuum rectifier. Base: 8 Octal, with 6 working pins. Made in the USA. Note: Maybe replaced with equal manufactured by Admiral. Learn More

Tube, electron. Base 8 Pin, with 6 working pins.Triode, vacuum, Made in the USA. Learn More

Tube, electron. High vacuum rectifier/power supply. 117V 0.075Amp. Base: 8 Octal, with 6 working pins. Learn More

Tube, electron. Base; 4 Pin. Dimensions: glass tube 38.4mm D x 3.094" (78.6mm) high including top contact. Base is 1.353" (34.3mm) D x 1.101" (27.9mm) deep. Made in the USA. Learn More

Tube, electron. Mount: 7 Pin. Dimensions: glass tube 18.1mm D x 38.5mm high. Made in the USA. Learn More

Tube, electron. Mount: 7 Pin. Dimensions: glass tube 18.1mm D x 38.5mm high. Made in the USA. Learn More

Tube, electron. Base: 8 octal. Dimensions: glass tube 28.7mm D x 45.3mm high. Base is 32.8mm D x 21.8mm deep. Double marked VT-117-A. Made in the USA. Learn More

Tube, electron. Base: heavy 4 Pin. Note: VT-119. The 2X2A is an EHT half wave rectifier Learn More

Ken-Rad - 6SH7 - Electron Tube, Removed from Equipment

The 6SH7 is a sharp cut-off amplifier pentode designed for use as a high-gain radio-frequency or intermediate-frequency amplifier.

8-Pin Round

Very Good Condition

Made in the USA

Used / Removed from Equipment

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Tube, electron. Base: 8 Octal. Dimensions: 32.1mm D x 50.8mm high. Learn More

Tube, electron. Base: 7 Octal, 29.3mm D x 21.7mm deep. Dimensions: glass tube. 38.4mm D x 2.5" high. Made in the USA. Learn More

Tube, electron. Base 8 Pin. Made in the USA. Learn More

Tube, electron. Base: 8 Octal. Note: ALT P/N: VT-132. Learn More

Vacuum tube. Military NSN 5960-00-879-5078. Case: 7-Pin. Learn More