MDB Ventures

A new home for specialized collectors.

Rare, Vintage, Industrial, Ham, Radio and Audio vacuum tubes for sale.
We have over 100,000 collectible items for sale, and our inventory is growing daily.

Our master list of tested new and used vacuum tubes

Our list of non-cataloged (untested) vacuum tubes

Gmail Users
Please read this note about incorrectly declared email as spam.
This can be an issue as well with other free email providers like Hotmail, AOL, and Yahoo.

Current Sales Promotion

Spring is here! Time to clean out the storage lockers, the garage, the basement, the attic, the crawl space, the barn, and the dog house!
Spring Cleaning Sale Special!!!

Buy one manual, book, record, radio part, computer part or bargain bin item and get a second item of equal or lower value FREE!
(No, the second item does not have to be the same type of item.)
This sales promotion does not include our regular tube listings or equipment (testers, radios, amplifiers, etc).

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-- Items on these pages are available for the discount --
Video, Books, Magazines, Manuals and Documents
Antique Records
Antique Radio Parts
New/Used Computer, Parts and Software
Bargain Bin Packs
Bargain Bin Items

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-- New! --

Antique Meters

Tube Testers

-- Antique Records --

Car Radio Schematics and Service Manuals

Rare Swag

New/Used Computer, Parts and Software

-- Atari 520 ST Computer --

On a budget?

Check out our Bargain Bin Listings

Save on Discount Bargain Packs

Free! (broken tubes)

Large Quantity Boxed and Loose Tube Lots

Tube Listings

Vintage Preoctal and Globe/Balloon

Industrial, Ham Radio, Transmitter and Power Tubes

Collector Tubes

Audio Tubes

Radio and TV Tubes

Miniature Radio Tubes

"G" Style Radio Tubes

Battery Radio Tubes

Space Charge Low Voltage Tubes

Loktal Radio Tubes

Compactron Tubes

Display Tubes,
Eye Tubes, Photocells, CRTs and Nixies

Nuvistor, Subminiature, Acorn and Rabbit Ear Tubes

Delay Relays

Projector Lamps

Radio Ballast Tubes

Descrete Solid State Devices

Tube Testers

Used Electronics
(radios, amplifiers, etc.)

Antique Radio Parts

Unusual, Miscellaneous
and One-of-a-kind Items

Tube Caddy listings

Video, Books, Magazines, Manuals and Documents

Master Tube List
(all cataloged tubes - sorted list)

Non-Cataloged Tube List
(untested tubes - sorted list)

Our Library of Information
Electron / Vacuum Tube Information, Tube Testing Information and Lots of Other Useful (and not so useful) Information

About Our Vacuum Tubes

About MDB Ventures

Shipping Information

MDB Ventures Policies

Useful Links to Other Sources

Gmail Users
Please read this note about incorrectly declared email as spam.
This can be an issue as well with other free email providers like Hotmail, AOL, and Yahoo.