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Tubes Unlimited

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United States
Houston, TX
Tubes Unlimited

Vacuum Tube Supplier for Audio Hifi and Guitar Amplifiers Our selection of audio vacuum tube types are as BIG as the Lone Star State! We ship WORLDWIDE!!!

Easy and Safe, 100% Secure Online Ordering for all of your Vacuum Tube needs! Some of the Rarest NOS audio vacuum tube types you will see online!! Highest Quality- We specialize in Rare, High Quality, NOS audio vacuum tube types! We 100% Test each vacuum tube to assure you the best quality possible! Ultra-Safe Packing- All vacuum tube orders Professionally Packed For Safe Arrival! Super Fast Shipping- Most vacuum tube orders shipped same day! 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! Check out our 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!

10/03/2026

300B Tube: The Legendary Single-Ended Triode for Audiophiles

300B tube- Legend, myth, or audio nirvana? Explore the facts of 300B vacuum tube. 20+ years in the business, 45 years using tubes and making music!

10/02/2026

6V6 Tube: Complete Guide to Low-Power Audio Excellence

Stop treating the 6v6 tube like a budget 6L6. Here's what 45 years of testing reveals about NOS vs modern production and why application matters most.

10/01/2026

Tube Amplifier Complete 2026 Guide: Everything About Vacuum Tube Amps

Complete tube amplifier guide: how they work, tube amp vs solid state, choosing tubes. 45 years experience with vacuum tube amps.

09/30/2026

Are Vacuum Tubes Still Used Today? Modern Applications in 2025

Are vacuum tubes still used today? Yes—in guitar amps, pro recording studios, broadcasting, and medical equipment. After 45 years using tubes, here's where and why.

09/29/2026

Vintage Vacuum Tube Collecting: The Definitive 2026 Beginner’s Guide

Vintage vacuum tube collecting: Beginners Guide for 2026. Learn from vacuum tube expert with over 45 years experience the best way to buy and collect vacuum tubes.

09/28/2026

Medical Vacuum Tubes: Critical Applications in Modern Medicine 2026

Medical vacuum tubes in X-ray and CT scanners prove tubes aren't obsolete. Why million-dollar medical equipment still needs 80-year-old technology.

09/27/2026

Industrial Vacuum Tubes: Manufacturing and Processing 2026

Industrial vacuum tubes power RF heating, plasma processing, and manufacturing at 100+ kilowatts. Why solid-state can't match tube reliability.

09/26/2026

EL84 Tube: The Complete Guide to Vox AC30 Sound and Beyond

Discover why the el84 tube creates that signature Vox AC30 tone. Expert guide covering NOS vs modern, matching, testing, and brand differences.

09/25/2026

Broadcast Vacuum Tubes: Radio and TV Transmission Technology 2026

Broadcast vacuum tubes still power radio and TV transmitters worldwide. Discover why solid-state can't match tubes for high-power RF generation in 2025.

09/24/2026

The Complete Guide to Vacuum Tubes: Everything You Need to Know in 2025

So this guide walks you through vacuum tubes and yeah, basic physics sure, but more importantly the stuff that actually matters when you're trying to figure

Address

6527 Kury Lane
Houston, TX
77008

Opening Hours

Monday	10am - 9pm
Tuesday	10am - 9pm
Wednesday	10am - 9pm
Thursday	10am - 9pm
Friday	10am - 9pm
Saturday	10am - 9pm
Sunday	10am - 6pm

Website

http://www.nosvacuumtubes.net/

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