If you are looking for any kind of NOS audio vacuum tube like 12ax7 12AT7 12AU7 5751 6L6GC 6V6 E188CC 6DJ8 6922 E88CC 6SN7 etc we probably have the vacuum tube you are looking for!

We specialize in the rare, high quality NOS audio vacuum tube brands like Mullard, Telefunken, Brimar, GEC, GE, Sylvania, RCA and more!

Don't get gouged by those "high end" sites offering you hype along with HIGH prices for a vacuum tube!  Check out our LOW LOW prcies and huge variety of all audio vacuum tube types!  Each vacuum tube we sell is completely tested for shorts, gas, leakage, and transconductance on our "unforgiving" calibrated Hickok 118B cardmatic vacuum tube tester.

Also, check out our wide array of NOS 12ax7 vacuum tube products and drop in replacements for the 12ax7 like our GE JAN 5751.  If you need a matched pairs of a 12ax7 vacuum tube, we have them from Telefunken 12ax7, GE 12ax7, RCA 12ax7, Brimar 12ax7, Sylvania 12ax7 and more! We also carry RCA, Tung-Sol, Sylvania, GE, Raytheon, JAN, Mullard, Genalex, Philips, Siemens and other vacuum tube brands.  If you don't see the type of vacuum tube you are looking for then email us! We have over 4000 NOS audio vacuum tube types in stock!

If you are new to using the vacuum tube or are an expereinced NOS vacuum tube officianado, then please read the information below about the various vacuum tube types which are available for utilization in your hifi system or guitar amplifier which utilize a vacuum tube.

A vacuum tube is an electronic device that is used to amplify or alter a signal by controlling the way electrons move or travel in a vacuum.

There are literally thousands of different kinds of vacuum tube types, but the information here will will focus primarily on those vacuum tube types which are used for audio applications like hifi stereos and guitar amplifiers.

12AX7 is a vacuum tube of high gain. It is believed to have been originally developed in 1946 by RCA. The 12AX7 vacuum tube was originally intended as miniature form-factor follow-on to the 6SN7 vacuum tube family of dual-triode low-cost amplifier tubes for audio and computer applications. Its wide use as a vacuum tube in tube based guitar amplifiers has caused it to be one of the very few small-signal type of vacuum tube to continue in production since it was introduced. The 12AX7 is the most common member of a huge family of miniature twin-triode type of vacuum tube types.

The vacuum tube has a center tapped filament so it can be used in either 6.3V 300ma or 12.6V 150ma heater circuits.

Presently the 12AX7 vacuum tube is made in various versions in Russia, China, and Slovokia and one in Serbia, for a total annual production figure of 2 million units (estimated). The vast majority of these types of vacuum tube are used in new-production guitar amplifiers or for replacement purposes in guitar or audio equipment. However, in our opinion, these new production types of 12AX7 vacuum tube do not even come close to the tonal qualitites of NOS (New Old Stock) type of vacuum tube produced in the USA, Great Britian, Holland, and Germany. If you would like to check out the NOS 12AX7 vacuum tube offerings we have then please Click Here!