Welcome to MDB Ventures
Audio Tube Store


MDB Ventures Home


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



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, subminiature, metal, power, transmitter tubes and many more.

MDB Ventures Audio Tubes
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 6W6-GT $5.00 Amperex 140% 8500 / 6500Gm NOS (OB) world logo - black plate - top getter - grid 'c' clip
1 6W6-GT $5.00 Tung-Sol 120% 7500 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 110% 8000 / 6500Gm NOS (OB) green lettering - black coat - top getter
1 6W6-GT $4.00 Sylvania 110% 8000 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 110% 7000 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 8000 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 8000 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 8500 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 8500 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 9000 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 10000 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 8000 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 8000 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 7500 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 7500 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 8500 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 8000 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 8500 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 8500 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 120% 7000 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 130% 8500 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 110% 7500 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Sylvania 110% 7500 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Zenith 120% 8000 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Zenith 120% 8500 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Westinghouse 120% 7000 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Westinghouse 130% 7500 / 6500Gm NOS (OB) black plate - bottom getter - grid 'c' clip - canada
1 6W6-GT $4.00 Westinghouse 140% 9000 / 6500Gm NOS (OB) black plate - side getter - grid 'c' clip
1 6W6-GT $4.00 Westinghouse 120% 7500 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Westinghouse 120% 7000 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 RCA 120% 7000 / 6500Gm NOS (OB) red lettering - black plate - bottom getter
1 6W6-GT $4.00 RCA 130% 8000 / 6500Gm NOS (OB) red lettering - black plate - side getter
1 6W6-GT $4.00 RCA 110% 7000 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 RCA 120% 8000 / 6500Gm NOS (OB) red lettering - black plate - bottom getter
1 6W6-GT $4.00 RCA 120% 7500 / 6500Gm NOS (OB) red lettering - black plate - side getter
1 6W6-GT $4.00 RCA 130% 8000 / 6500Gm NOS (OB) red lettering - black plate - bottom getter
1 6W6-GT $4.00 RCA 110% 8000 / 6500Gm NOS (OB) red lettering - black plate - bottom getter
1 6W6-GT $4.00 RCA 120% 8000 / 6500Gm NOS (OB) red lettering - black plate - bottom getter
1 6W6-GT $4.00 RCA 110% 8500 / 6500Gm NOS (OB) red lettering - black plate - bottom getter
1 6W6-GT $4.00 RCA 120% 8500 / 6500Gm NOS (OB) red lettering - black plate - bottom getter
1 6W6-GT $4.00 RCA 125% 9500 / 6500Gm NOS (OB) red lettering - black plate - dual bottom getters
1 6W6-GT $4.00 RCA 120% 9000 / 6500Gm NOS (OB) red lettering - black plate - dual bottom getters
1 6W6-GT $4.00 RCA 120% 8000 / 6500Gm NOS (OB) red lettering - black plate - dual bottom getters
1 6W6-GT $4.00 RCA 120% 8500 / 6500Gm NOS (OB) red lettering - black plate - dual bottom getters
1 6W6-GT $4.00 RCA 120% 8500 / 6500Gm NOS (OB) red lettering - black plate - dual bottom getters
1 6W6-GT $4.00 GE 120% 8000 / 6500Gm NOS (OB) white lettering - black plate - top getter - grid clip
1 6W6-GT $4.00 GE 120% 7500 / 6500Gm NOS (OB) white lettering - black plate - top getter - grid 'c' clip - canada
1 6W6-GT $4.00 GE 120% 7500 / 6500Gm NOS (OB) white lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 GE 130% 7000 / 6500Gm NOS (OB) white lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 GE 140% 11000 / 6500Gm NOS (OB) white lettering - black plate - side getter - grid 'c' clip
1 6W6-GT $4.00 GE 110% 8500 / 6500Gm NOS (OB) white lettering - black plate - top getter - grid clip
1 6W6-GT $4.00 GE 110% 7500 / 6500Gm NOS (OB) white lettering - black plate - top getter - grid clip
1 6W6-GT $4.00 GE 110% 7000 / 6500Gm NOS (OB) white lettering - black plate - top getter - grid clip
1 6W6-GT $4.00 GE 130% 10000 / 6500Gm NOS (OB) white lettering - black plate - top getter - grid 'c' clip - canada
1 6W6-GT $4.00 GE 130% 7500 / 6500Gm NOS (OB) white lettering - black plate - top getter - grid 'c' clip
1 6W6-GT / 6DG6-GT $4.00 GE 130% 9500 / 6500Gm NOS (OB) white lettering - black plate - side getter - grid 'c' clip - missing box flap
1 6W6-GT $4.00 GE 130% 8500 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid clip
1 6W6-GT $4.00 GE 130% 7000 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 GE 130% 7000 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 GE 130% 8000 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid clip
1 6W6-GT $4.00 GE 130% 8500 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid clip - torn box flap
1 6W6-GT $4.00 GE 140% 8500 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid clip
1 6W6-GT $4.00 Rauland 110% 7000 / 6500Gm NOS (OB) black plate - dual bottom getters - grid 'c' clip
1 6W6-GT $4.00 Raytheon 130% 8500 / 6500Gm NOS (OB) gray coat - bottom getter
1 6W6-GT $4.00 Raytheon 130% 7000 / 6500Gm NOS (OB) black plate - top getter - grid clip
1 6W6-GT $4.00 Raytheon 130% 7000 / 6500Gm NOS (OB) black plate - dual bottom getter - grid clip
1 6W6-GT $4.00 Motorola 110% 7000 / 6500Gm NOS (OB) black plate - top getter - grid clip
1 6W6-GT $4.00 Motorola 130% 7500 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Rad-Tel 110% 7000 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Philco 110% 8000 / 6500Gm NOS (OB) black plate - top getter - grid clip
1 6W6-GT $4.00 Philco 110% 7000 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Philco 120% 7000 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 Philco 130% 7000 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6W6-GT $4.00 CBS 110% 7500 / 6500Gm NOS (OB) black plate - dual bottom getters - grid 'c' clip
1 6W6-GT $4.00 CBS 110% 7000 / 6500Gm NOS (OB) black coat - bottom getter
1 6W6-GT $4.00 CBS 110% 7000 / 6500Gm NOS (OB) black coat - bottom getter
1 6W6-GT $4.00 CBS 110% 7000 / 6500Gm NOS (OB) black coat - bottom getter
1 6W6-GT $4.00 Channel Master 130% 7500 / 6500Gm NOS (OB) black plate - bottom getter - grid 'c' clip
1 6W6-GT $2.00 GE 110% 8500 / 6500Gm used (OB) black plate - side getter - grid clip
1 6W6-GT $2.00 GE 130% 7500 / 6500Gm used (OB) white lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $2.00 GE 120% 8000 / 6500Gm used (OB) red lettering - black plate - dual bottom getters - grid 'c' clip
1 6W6-GT $2.00 GE 100% 8000 / 6500Gm used (wb) white lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $2.00 GE 100% 8000 / 6500Gm used (rb) white lettering - black plate - top getter - grid clip
1 6W6-GT $2.00 GE 100% 8000 / 6500Gm used (OB) white lettering - black plate - top getter - grid clip
1 6W6-GT $2.00 GE 100% 7500 / 6500Gm used (OB) red lettering - black plate - top getter - grid clip
1 6W6-GT $2.00 RCA 110% 7500 / 6500Gm used (rb) silver lettering - black plate - dual bottom getters - grid 'c' clip
1 6W6-GT $2.00 RCA 110% 7500 / 6500Gm used (OB) red lettering - black plate - dual bottom getters - grid 'c' clip
1 6W6-GT $2.00 RCA 140% 8000 / 6500Gm used (OB) silver lettering - black plate - dual bottom getters - grid 'c' clip
1 6W6-GT $2.00 RCA 110% 7000 / 6500Gm used (OB) silver lettering - black coat - bottom getter - grid 'c' clip
1 6W6-GT $2.00 RCA 100% 8500 / 6500Gm used (ob) red lettering - black plate - bottom getter
1 6W6-GT $2.00 RCA 120% 7000 / 6500Gm used (rb) red lettering - black plate - bottom getter
1 6W6-GT $2.00 RCA 110% 7500 / 6500Gm used (OB) silver lettering - black plate - dual bottom getters - grid 'c' clip
1 6W6-GT $2.00 RCA 110% 6500 / 6500Gm used (OB) silver lettering - black plate - dual bottom getters - grid 'c' clip
1 6W6-GT $2.00 RCA 110% 7000 / 6500Gm used (rb) silver lettering - black plate - dual bottom getters - grid 'c' clip
1 6W6-GT $2.00 RCA 100% 7500 / 6500Gm used (rb) red lettering - black plate - dual bottom getters - grid 'c' clip
1 6W6-GT $2.00 Tung-Sol 120% 7500 / 6500Gm used (ob) black plate - dual bottom getters
1 6W6-GT $2.00 Sylvania 130% 8500 / 6500Gm used (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $2.00 Sylvania 110% 7500 / 6500Gm used (rb) yellow lettering - black plate - top getter
1 6W6-GT $2.00 Sylvnaia 100% 7500 / 6500Gm used (ob) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $2.00 Sylvania 100% 7500 / 6500Gm used (rb) yellow lettering - black plate - top getter - grid 'c' clip
1 6W6-GT $2.00 Hoffman 120% 7000 / 6500Gm used (wb) gray coat - top getter - grid 'c' clip
1 6W6-GT $2.00 Westinghouse 120% 6000 / 6500Gm used (rb) black plate - top getter - grid 'c' clip
1 6W6-GT $2.00 Motorola 100% 7500 / 6500Gm used (rb) black plate - top getter - grid 'c' clip
1 6W6-GT $2.00 Raytheon 110% 6500 / 6500Gm used (ob) black plate - dual bottom getters
1 6W6-GT $2.00 Rad-Tel 120% 7000 / 6500Gm used (ob) gray plate - top getter
1 6W6-GT $2.00 National Union 100% 5000 / 6500Gm used (rb) black coat - bottom getter
1 6DG6-GT $5.00 Tung-Sol 120% 9000 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6DG6-GT $4.00 Westinghouse 110% 7500 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6DG6-GT $4.00 Westinghouse 120% 8000 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6DG6-GT $4.00 Raytheon 130% 7500 / 6500Gm NOS (OB) black plate - dual bottom getters - grid 'c' clip
1 6DG6-GT $4.00 Raytheon 130% 8000 / 6500Gm NOS (OB) black plate - dual bottom getters
1 6DG6-GT $4.00 Raytheon 130% 8000 / 6500Gm NOS (OB) gray coat - bottom getter
1 6DG6-GT $4.00 Raytheon 120% 8000 / 6500Gm NOS (OB) gray coat - bottom getter
1 6DG6-GT $4.00 Raytheon 120% 8000 / 6500Gm NOS (OB) black plate - dual bottom getters - grid 'c' clip
1 6DG6-GT $4.00 Magnavox 110% 8000 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6DG6-GT $4.00 GE 120% 7000 / 6500Gm NOS (OB) black plate - top getter - grid 'c' clip
1 6DG6-GT $4.00 Sylvania 120% 8000 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6DG6-GT $4.00 Sylvania 130% 8500 / 6500Gm NOS (OB) yellow lettering - black plate - top getter - grid 'c' clip
1 6DG6-GT $4.00 RCA 140% 9000 / 6500Gm NOS (OB) silver lettering - black plate - dual bottom getters - worn box
1 6DG6-GT $4.00 RCA 130% 9000 / 6500Gm NOS (OB) red lettering - black plate - dual bottom getters
1 6DG6-GT $4.00 RCA 140% 10000 / 6500Gm NOS (OB) red lettering - black plate - bottom getter
1 6DG6-GT $4.00 RCA 130% 9000 / 6500Gm NOS (OB) red lettering - black plate - top getter - grid 'c' clip - mexico
1 6DG6-GT $4.00 RCA 130% 8000 / 6500Gm NOS (OB) red lettering - black plate - dual bottom getters

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, (GT)=GT Style, (TT)=Tall Tubular, (M7)=7pin miniature, M9=9pin miniature, (SM)=subminiature, 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 audio 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.

Shipping and Handling Information

Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com

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


Go back to the TOP

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



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.


MDB Ventures Home

Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com