Vacuum Tubes #1 ONLINE Source for all NOS Vacuum Tubes

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Pre-Amp Tubes
Power Tubes
Rectifier Tubes
Power Triode Tubes
Western Electric Tubes
Other Tubes
Nixie
Customer Info
About
Blog

Home Rectifier Vacuum Tubes 3B25

3B25

All prices are per tube

tung-sol 3B25

$25.00
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POPULAR BRANDS

Amperex
Bendix
Brimar
Eimac
GE
GEC
Mullard
Philips
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Telefunken
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The Complete Guide to Vacuum Tubes: Everything You Need to Know in 2025

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2N280 / OC75 Metal Sheath

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Tubes Unlimited is Your #1 ONLINE Source for NOS Vacuum Tubes

All NOS tubes types for home audio and guitar amplifiers.

$50 minimum product order

*30 Day Rock Solid Warranty on ALL NOS Tubes! We test your order before shipment for world class performance and the best tone possible! Your order is 100% guaranteed for 30 days! Read more

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