MDB Ventures Radio Tubes

Save on NOS and Used Radio Tubes!

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Be sure to see our Audio tube listings and "G" Style Radio Vacuum Tube List for more audio and rectifier tubes.

Type: 6SA7 , 12E5 , 12SA7 , 6SK7 , 6137 , 25Z6

Don't see what you need? Contact us. We have many more tubes that are not yet listed. We also have new and good used tubes in most other numbers including preoctal, globe/balloon, octal, loctal, miniature, subminature, metal, power, transmitter tubes and many more.

If you need a tube you don't see here, just send us an email and we will let you know what we have and the prices. We have both NOS and used tubes available for most of the tube numbers.
MDB Ventures Radio Tubes
Quantity
Available 		Tube
Type 		Price
Each 		Tube
Brand 		Emission
Strength 		Mutual
Conductance
Description
Notes
1 6SA7-GTY $6.00 National Union 140% 4100/3000Gm used (wb) JAN - brown base
1 6SA7-GTY $6.00 National Union 140% 4100/3000Gm used (wb) JAN - brown base
1 6SA7-WGT $6.00 Sylvania 100% 4100/3000Gm used (wb) JAN - brown base - green lettering
1 12E5-GT $6.00 National Union 110% 1600/2450Gm NOS (OB) metal band base
1 12SA7-GT $6.00 Raytheon 120% 4100/3000Gm used (wb) brown base
1 12SA7-WGT $5.00 Raytheon 100% 4000/3000Gm used (wb) brown base - gray coat
1 12SA7-GTY $6.00 Natioanl Union 120% 3500/3000Gm used (wb) brown base
1 12SA7-GTY $6.00 Natioanl Union 140% 3700/3000Gm used (wb) brown base
1 12SA7-WGT $2.50 Rad-Tel 90% 3000/3000Gm used (L) brown base - black coat
1 6137/6SK7 $8.00 GE 130% 2600/2000Gm used (wb) metal tube

Notes:
(OB) = original box, (rb) = relabeled/replacement box, (wb) = white box, (L) = loose (no box), (pl) = paper label on tube (original or third party)
(H) = tested on Hickok 539A
ST=ST Style, TT=Tall Tubular Style, GT=GT Style, JAN = Military
Emission Strength = Percentage of emission measured on Eico 666 tube tester
(Emission Strength = 100% baseline reference, >80%:good, >60%:fair >40%=diode good).
Gm = Mutual conductance measured on Hickok 533 tube tester; Except (H)=tested on Hickok 539A
(Gm = measured/baseline, measured1:measured2/baseline, measured1:measured2/baseline1:baseline2).

How To Order:

Purchasing our Radio tubes is easy.
Just send us an email indicating the tubes (including quantities) you want.
We will let you know the total price including shipping and handling.

Contact MDB Ventures sales@mdbventures.com

Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.

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"G" Style Radio Vacuum Tube List
Shipping and Handling Information
MDB Ventures Home

Don't forget to visit our Discount Bargain Packs and Bargain Bin for more savings!

Email: MDB Ventures sales@mdbventures.com