MDB Ventures Radio Tubes

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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/loktal, miniature, subminature, metal, power, transmitter tubes and many more.

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

Desc

Notes
1 12SQ7-GT $7.00 Sylvania 110% diodes: 120% / 110% 1150 / 1100Gm NOS (OB) metal base band - green lettering - JAN
1 12SQ7-GT $7.00 Sylvania 110% diodes: 120% / 120% 1200 / 1100Gm NOS (OB) metal base band - green lettering
1 12SQ7-GT $7.00 Zalytron 130% diodes: 130% / 130% 1400 / 1100Gm NOS (OB) metal base band - black coat - torn box flap
1 12SQ7-GT $7.00 Westinghouse 110% diodes: 120% / 120% 1200 / 1100Gm NOS (OB) metal base band - black coat
1 12SQ7-GT $7.00 Hytron 120% diodes: 120% / 120% 1250 / 1100Gm NOS (OB) black base
1 12SQ7-GT $7.00 National Union untested sealed in box NOS (OB) ---
1 12SQ7-GT $3.00 Sylvania 140% diodes: 120% / 120% 1450 / 1100Gm used (rb) metal base band - green lettering
1 12SQ7-GT $3.00 Sylvania 120% diodes: 120% / 120% 1200 / 1100Gm used (rb) metal base band - green lettering
1 12SQ7-GT $3.00 Sylvania 120% diodes: 120% / 120% 1200 / 1100Gm used (rb) metal base band - black lettering - JAN
1 12SQ7-GT $3.00 RCA 120% diodes: 120% / 110% 1150 / 1100Gm used (rb) metal base band - black lettering
1 12SQ7-GT $3.00 Hytron 120% diodes: 120% / 120% 1200 / 1100Gm used (wb) metal base band
1 12SQ7-GT $3.00 Hytron 100% diodes: 120% / 120% 1100 / 1100Gm used (rb) black base
1 12SQ7-GT $3.00 Raytheon 110% diodes: 120% / 120% 1100 / 1100Gm used (rb) metal base band
1 12SQ7-GT $3.00 Raytheon 100% diodes: 120% / 120% 1000 / 1100Gm used (rb) metal base band
1 12SQ7-GT $3.00 Tung-Sol 120% diodes: 120% / 120% 1250 / 1100Gm used (rb) metal base band
1 12SQ7-GT $3.00 Tung-Sol 100% diodes: 110% / 120% 1100 / 1100Gm used (rb) metal base band
1 12SQ7-GT $3.00 Ken-Rad 130% diodes: 120% / 120% 1500 / 1100Gm used (rb) metal base band
1 12SQ7-GT $3.00 Crosley by Ken-Rad 130% diodes: 120% / 120% 1400 / 1100Gm used (rb) metal base band
1 12SQ7-GT $3.00 Reliable 130% diodes: 120% / 120% 1200 / 1100Gm used (rb) metal base band
1 12SQ7 / VT-104 $5.00 RCA 120% diodes: 120% / 110% 1200 / 1100Gm NOS (OB) metal - US Army
1 12SQ7 / VT-104 $5.00 RCA 120% diodes: 120% / 120% 1250 / 1100Gm NOS (OB) metal - US Army
1 12SQ7 $5.00 RCA 120% diodes: 110% / 110% 1150 / 1100Gm NOS (OB) metal - red lettering
1 12SQ7 $5.00 RCA 130% diodes: 120% / 120% 1300 / 1100Gm NOS (OB) metal - red lettering
1 12SQ7 $5.00 RCA 120% diodes: 120% / 120% 1100 / 1100Gm NOS (OB) metal - silver lettering
1 12SQ7 $5.00 RCA 120% diodes: 120% / 120% 1150 / 1100Gm NOS (OB) metal - silver lettering
1 12SQ7 $5.00 GE 120% diodes: 110% / 120% 1250 / 1100Gm NOS (OB) metal - white lettering - JAN
1 12SQ7 $5.00 GE 120% diodes: 120% / 120% 1200 / 1100Gm NOS (OB) metal - white lettering
1 12SQ7 $5.00 GE 110% diodes: 120% / 120% 1100 / 1100Gm NOS (OB) metal - white lettering
1 12SQ7 $5.00 GE 110% diodes: 120% / 120% 1150 / 1100Gm NOS (OB) metal - white lettering
1 12SQ7 $5.00 GE 120% diodes: 110% / 110% 1100 / 1100Gm NOS (OB) metal - white lettering
1 12SQ7 $5.00 GE 120% diodes: 120% / 120% 1200 / 1100Gm NOS (OB) metal - white lettering
1 12SQ7 $5.00 GE 120% diodes: 120% / 110% 1200 / 1100Gm NOS (OB) metal - white lettering
1 12SQ7 $5.00 Raytheon 110% diodes: 120% / 120% 1100 / 1100Gm NOS (OB) metal
1 12SQ7 $5.00 Sylvania 130% diodes: 110% / 130% 1350 / 1100Gm NOS (wb) metal - yellow lettering
1 12SQ7 $5.00 Sylvania 130% diodes: 120% / 120% 1200 / 1100Gm NOS (OB) metal - green lettering
1 12SQ7 $5.00 Sylvania 120% diodes: 120% / 120% 1200 / 1100Gm NOS (OB) metal - red lettering
1 12SQ7 $5.00 Philco 120% diodes: 120% / 120% 1100 / 1100Gm NOS (OB) metal
1 12SQ7 $5.00 Ken-Rad 110% diodes: 110% / 110% 1100 / 1100Gm NOS (OB) metal - sealed in box
1 12SQ7 $5.00 Tung-Sol 110% diodes: 110% / 110% 1100 / 1100Gm NOS (OB) metal
1 12SQ7 $5.00 GM / Delco 120% diodes: 120% / 120% 1200 / 1100Gm NOS (OB) metal
1 12SQ7 / VT-104 $3.00 Ken-Rad 100% diodes: 120% / 120% 950 / 1100Gm used (rb) metal - JAN
1 12SQ7 / VT-104 $3.00 RCA 130% diodes: 120% / 120% 1300 / 1100Gm used (rb) metal - US Army
1 12SQ7 / VT-104 $3.00 RCA 100% diodes: 110% / 120% 1000 / 1100Gm used (rb) metal - JAN
1 12SQ7 $3.00 RCA 110% diodes: 110% / 120% 1100 / 1100Gm used (rb) metal - silver lettering
1 12SQ7 $3.00 RCA 100% diodes: 130% / 120% 950 / 1100Gm used (rb) metal - silver lettering
1 12SQ7 $3.00 RCA 100% diodes: 110% / 120% 950 / 1100Gm used (rb) metal - silver lettering
1 12SQ7 $3.00 Sylvania 140% diodes: 130% / 120% 1600 / 1100Gm used (wb) metal - yellow lettering
1 12SQ7 $3.00 Sylvania 130% diodes: 120% / 130% 1200 / 1100Gm used (rb) metal - yellow lettering
1 12SQ7 $3.00 Sylvania 110% diodes: 130% / 110% 1100 / 1100Gm used (rb) metal - yellow lettering
1 12SQ7 $3.00 Sylvania 120% diodes: 120% / 120% 1200 / 1100Gm used (rb) metal - green lettering
1 12SQ7 $3.00 Ken-Rad 100% diodes: 110% / 110% 900 / 1100Gm used (rb) metal
1 12SQ7 $1.00 RCA 90% diodes: 120% / 120% 950 / 1100Gm used (rb) metal - silver lettering
1 12SQ7 $1.00 RCA 90% diodes: 120% / 120% 900 / 1100Gm used (rb) metal - silver lettering
1 12SQ7 $1.00 GE 90% diodes: 100% / 100% 950 / 1100Gm used (rb) metal - white lettering
1 12SQ7 $1.00 GE 100% diodes: 90% / 90% 900 / 1100Gm used (rb) metal - white lettering
1 12SQ7 $1.00 Viking 90% diodes: 120% / 120% 900 / 1100Gm used (rb) metal
1 12SQ7 $1.00 Tung-Sol 90% diodes: 120% / 110% 950 / 1100Gm used (rb) metal
1 12SQ7 $1.00 Emerson 90% diodes: 120% / 120% 1000 / 1100Gm used (rb) metal
1 12SQ7 $1.00 CBS 90% diodes: 110% / 120% 1000 / 1100Gm used (rb) metal
1 12SQ7 $0.50 RCA 100% diodes: 120% / 120% 1000 / 1100Gm used leaky (2M) (rb) metal - silver lettering

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, (M)=Metal, (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 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.

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.


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