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 12SK7-MG $7.50 Sylvania 120% 2400 / 2000Gm NOS (OB) metal/glass
1 12SK7Y $7.50 RCA 120% 2400 / 2000Gm NOS (wb) metal - damaged box - brown base
1 12SK7 / VT-131 $5.00 RCA 130% 2500 / 2000Gm NOS (OB) metal - US Army
1 12SK7 / VT-131 $5.00 RCA 110% 2200 / 2000Gm NOS (OB) metal - US Army
1 12SK7 / VT-131 $5.00 Western Electric 120% 2500 / 2000Gm NOS (OB) metal - US Army - sealed in box
1 12SK7 / VT-131 $5.00 Western Electric 120% 2400 / 2000Gm NOS (OB) metal - US Army - sealed in box
1 12SK7 / VT-131 $5.00 Western Electric 130% 2500 / 2000Gm NOS (OB) metal - US Army - sealed in box
1 12SK7 / VT-131 $5.00 Western Electric 120% 2400 / 2000Gm NOS (OB) metal - US Army - sealed in box
1 12SK7 / VT-131 $5.00 Ken-Rad 130% 2600 / 2000Gm NOS (OB) metal - JAN - sealed in box
1 12SK7 $5.00 RCA 140% 2600 / 2000Gm NOS (OB) metal - US Navy - sealed in box
1 12SK7 $5.00 RCA 130% 2600 / 2000Gm NOS (OB) metal - US Navy - sealed in box
1 12SK7 $5.00 RCA 120% 2500 / 2000Gm NOS (OB) metal - US Navy
1 12SK7 $5.00 RCA 120% 2400 / 2000Gm NOS (OB) metal - US Navy - sealed in box
1 12SK7 $5.00 RCA 110% 2100 / 2000Gm NOS (OB) metal - US Navy
1 12SK7 $5.00 RCA 100% 2100 / 2000Gm NOS (OB) metal - US Navy - sealed in box
1 12SK7 $5.00 RCA 120% 2500 / 2000Gm NOS (OB) metal - US Navy - sealed in box
1 12SK7 $5.00 RCA 120% 2500 / 2000Gm NOS (OB) metal - US Navy
1 12SK7 $5.00 RCA 120% 2400 / 2000Gm NOS (OB) metal - US Navy
1 12SK7 $5.00 RCA 120% 2400 / 2000Gm NOS (OB) metal - US Navy
1 12SK7 $5.00 RCA 110% 2200 / 2000Gm NOS (OB) metal - US Navy
1 12SK7 $5.00 RCA 110% 2200 / 2000Gm NOS (OB) metal - US Navy
1 12SK7 $5.00 RCA 110% 2200 / 2000Gm NOS (OB) metal - US Navy
1 12SK7 $5.00 RCA 120% 2400 / 2000Gm NOS (OB) metal - US Navy
1 12SK7 $5.00 RCA 120% 2200 / 2000Gm NOS (OB) metal - US Navy
1 12SK7 $5.00 RCA 120% 2400 / 2000Gm NOS (OB) metal - red lettering
1 12SK7 $5.00 RCA 120% 2400 / 2000Gm NOS (OB) metal - red lettering
1 12SK7 $5.00 RCA 130% 2400 / 2000Gm NOS (OB) metal - red lettering
1 12SK7 $5.00 RCA 130% 2500 / 2000Gm NOS (OB) metal - red lettering
1 12SK7 $5.00 RCA 130% 2500 / 2000Gm NOS (OB) metal - red lettering
1 12SK7 $5.00 RCA 120% 2500 / 2000Gm NOS (OB) metal - red lettering
1 12SK7 $5.00 RCA 130% 2600 / 2000Gm NOS (OB) metal - red lettering
1 12SK7 $5.00 RCA 130% 2500 / 2000Gm NOS (OB) metal - red lettering
1 12SK7 $5.00 RCA 110% 2300 / 2000Gm NOS (OB) metal - silver lettering
1 12SK7 $5.00 RCA 120% 2500 / 2000Gm NOS (OB) metal - silver lettering
1 12SK7 $5.00 Ratheon 120% 2300 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 Ratheon 120% 2500 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 Ratheon 120% 2400 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 Ratheon 120% 2500 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 Ratheon 120% 2500 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 Ratheon 120% 2500 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 Ratheon 130% 2700 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 Ratheon 120% 2400 / 2000Gm NOS (OB) metal - torn box flap
1 12SK7 $5.00 GE 110% 2400 / 2000Gm NOS (OB) metal - white lettering
1 12SK7 $5.00 GE 110% 2300 / 2000Gm NOS (OB) metal - white lettering
1 12SK7 $5.00 CBS 110% 2400 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 CBS 110% 2400 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 CBS 120% 2400 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 CBS 110% 2300 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 Sylvania 120% 2400 / 2000Gm NOS (OB) metal - yellow lettering - damaged box
1 12SK7 $5.00 Sylvania 130% 2700 / 2000Gm NOS (OB) metal - yellow lettering
1 12SK7 $5.00 Sylvania 130% 2400 / 2000Gm NOS (OB) metal - yellow lettering
1 12SK7 $5.00 Sylvania 140% 2700 / 2000Gm NOS (OB) metal - yellow lettering
1 12SK7 $5.00 Sylvania 130% 2500 / 2000Gm NOS (OB) metal - yellow lettering
1 12SK7 $5.00 Sylvania 120% 2500 / 2000Gm NOS (OB) metal - yellow lettering
1 12SK7 $5.00 Sylvania 110% 2100 / 2000Gm NOS (OB) metal - yellow lettering
1 12SK7 $5.00 Sylvania 110% 2200 / 2000Gm NOS (OB) metal - green lettering
1 12SK7 $5.00 Sylvania 110% 2300 / 2000Gm NOS (OB) metal - green lettering
1 12SK7 $5.00 Sylvania 120% 2300 / 2000Gm NOS (OB) metal - green lettering
1 12SK7 $5.00 Westinghouse 110% 2200 / 2000Gm NOS (OB) metal - damaged box
1 12SK7 $5.00 Ken-Rad 110% 2200 / 2000Gm NOS (OB) metal - damaged box
1 12SK7 $5.00 Motorola 120% 2500 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 Motorola 120% 2500 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 Motorola 120% 2500 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 Motorola 120% 2500 / 2000Gm NOS (OB) metal
1 12SK7 $5.00 Tung-Sol 110% 2400 / 2000Gm NOS (wb) metal
1 12SK7 $5.00 Tung-Sol 110% 2300 / 2000Gm NOS (OB) metal
1 12SK7-GT $5.00 CBS 100% 2200 / 2000Gm NOS (OB) metal base band
1 12SK7-GT $5.00 CBS 110% 2600 / 2000Gm NOS (OB) metal base band
1 12SK7-GT $5.00 CBS 110% 2200 / 2000Gm NOS (OB) metal base band
1 12SK7-GT $5.00 CBS / Hytron 130% 2500 / 2000Gm NOS (OB) metal base band
1 12SK7-GT $5.00 CBS / Hytron 110% 2400 / 2000Gm NOS (OB) metal base band
1 12SK7-GT $5.00 Zalytron 110% 2400 / 2000Gm NOS (OB) metal base band
1 12SK7-GT $5.00 GM / Delco 130% 2700 / 2000Gm NOS (OB) metal base band
1 12SK7-GT $5.00 RCA 110% 2300 / 2000Gm NOS (OB) metal base band - black lettering
1 12SK7-GT $5.00 Raytheon 120% 2500 / 2000Gm NOS (OB) metal base band
1 12SK7-GT $5.00 Raythoen 120% 2500 / 2000Gm NOS (OB) metal base band
1 12SK7-GT $5.00 Tung-Sol 130% 2500 / 2000Gm NOS (OB) metal base band
1 12SK7-GT $5.00 Tung-Sol 110% 2500 / 2000Gm NOS (OB) metal base band
1 12SK7-GT $5.00 Tung-Sol 120% 2300 / 2000Gm NOS (OB) metal base band
1 12SK7-GT $5.00 Tung-Sol 130% 2500 / 2000Gm NOS (OB) metal base band
1 12SK7-WA $5.00 GE 120% 2600 / 2000Gm used (wb) metal - JAN - brown base
1 12SK7-WA $5.00 GE 120% 2800 / 2000Gm used (wb) metal - JAN - brown base
1 12SK7Y $5.00 RCA 120% 2600 / 2000Gm used (wb) metal - JAN - brown base
1 12SK7Y $5.00 RCA 110% 2500 / 2000Gm used (wb) metal - JAN - brown base
1 12SK7Y $5.00 RCA 120% 2500 / 2000Gm used (rb) metal - JAN - brown base
1 12SK7-WA $4.00 GE 110% 2400 / 2000Gm used (L) metal - JAN - brown base
1 12SK7-WA $4.00 GE 110% 2800 / 2000Gm used (L) metal - JAN - brown base
1 12SK7-WA $4.00 GE 110% 2500 / 2000Gm used (L) metal - US Navy - brown base
1 12SK7-WA $4.00 GE 100% 2800 / 2000Gm used (L) metal - JAN - brown base
1 12SK7 / VT-131 $2.00 Ken-Rad 120% 2600 / 2000Gm used (rb) metal
1 12SK7 / VT-131 $2.00 Ken-Rad 120% 2700 / 2000Gm used (rb) metal
1 12SK7 / VT-131 $2.00 Ken-Rad 110% 2400 / 2000Gm used (rb) metal
1 12SK7 / VT-131 $2.00 RCA 120% 2400 / 2000Gm used (rb) metal - US Army
1 12SK7 / VT-131 $2.00 RCA 120% 2400 / 2000Gm used (rb) metal - US Army
1 12SK7 / VT-131 $2.00 RCA 110% 2100 / 2000Gm used (rb) metal
1 12SK7 / VT-131 $2.00 RCA 110% 2100 / 2000Gm used (rb) metal - US Army
1 12SK7 / VT-131 $2.00 RCA 110% 2400 / 2000Gm used (rb) metal - JAN
1 12SK7 / VT-131 $2.00 RCA 110% 2000 / 2000Gm used (rb) metal - JAN
1 12SK7 / VT-131 $2.00 RCA 110% 2000 / 2000Gm used (rb) metal - JAN
1 12SK7 / VT-131 $2.00 RCA 110% 2300 / 2000Gm used (L) metal - JAN
1 12SK7 $2.00 RCA 110% 2200 / 2000Gm used (rb) metal - silver lettering - US Navy
1 12SK7 $2.00 RCA 100% 1900 / 2000Gm used (rb) metal - silver lettering
1 12SK7 $2.00 RCA 110% 2200 / 2000Gm used (rb) metal - silver lettering - US Navy
1 12SK7 $2.00 RCA 100% 2000 / 2000Gm used (rb) metal - silver lettering
1 12SK7 $2.00 RCA 120% 2400 / 2000Gm used (rb) metal - silver lettering
1 12SK7 $2.00 RCA 100% 2000 / 2000Gm used (rb) metal - silver lettering - US Navy
1 12SK7 $2.00 RCA 110% 2200 / 2000Gm used (rb) metal - silver lettering - US Navy
1 12SK7 $2.00 RCA 110% 2300 / 2000Gm used (rb) metal - silver lettering - US Navy
1 12SK7 $2.00 RCA 110% 2200 / 2000Gm used (rb) metal - silver lettering - US Navy
1 12SK7 $2.00 RCA 115% 2400 / 2000Gm used (rb) metal - silver lettering - US Navy
1 12SK7 $2.00 RCA 100% 2400 / 2000Gm used (rb) metal - silver lettering
1 12SK7 $2.00 RCA 120% 2300 / 2000Gm used (rb) metal - silver lettering - US Navy
1 12SK7 $2.00 RCA 100% 2100 / 2000Gm used (rb) metal - silver lettering - US Navy
1 12SK7 $2.00 RCA 120% 2500 / 2000Gm used (rb) metal - red lettering
1 12SK7 $2.00 RCA 100% 2100 / 2000Gm used (rb) metal - red lettering
1 12SK7 $2.00 RCA 120% 2600 / 2000Gm used (L) metal - red lettering
1 12SK7 $2.00 RCA 120% 2600 / 2000Gm used (L) metal - red lettering
1 12SK7 $2.00 RCA 120% 2600 / 2000Gm used (L) metal - red lettering
1 12SK7 $2.00 RCA 100% 2600 / 2000Gm used (L) metal - silver lettering
1 12SK7 $2.00 RCA Victor 100% 1900 / 2000Gm used (rb) metal
1 12SK7 $2.00 RCA Victor 110% 2200 / 2000Gm used (rb) metal
1 12SK7 $2.00 RCA Victor 100% 1900 / 2000Gm used (rb) metal
1 12SK7 $2.00 RCA Victor 120% 2400 / 2000Gm used (wb) metal
1 12SK7 $2.00 Rogers 120% 2200 / 2000Gm used (rb) metal
1 12SK7 $2.00 Rogers 120% 2400 / 2000Gm used (rb) metal
1 12SK7 $2.00 Philco 110% 2200 / 2000Gm used (rb) metal
1 12SK7 $2.00 Philco 100% 1900 / 2000Gm used (rb) metal
1 12SK7 $2.00 GE 100% 2200 / 2000Gm used (rb) metal - white lettering
1 12SK7 $2.00 GE 110% 2300 / 2000Gm used (rb) metal - white lettering
1 12SK7 $2.00 GE 100% 1700 / 2000Gm used (rb) metal - white lettering
1 12SK7 $2.00 GE 120% 2800 / 2000Gm used (L) metal - JAN - white lettering
1 12SK7 $2.00 GM / Delco 105% 2100 / 2000Gm used (rb) metal
1 12SK7 $2.00 Tung-Sol 130% 2600 / 2000Gm used (rb) metal
1 12SK7 $2.00 Tung-Sol 120% 2500 / 2000Gm used (wb) metal
1 12SK7 $2.00 Tung-Sol 110% 2500 / 2000Gm used (L) metal
1 12SK7 $2.00 Tung-Sol 110% 2300 / 2000Gm used (L) metal
1 12SK7 $2.00 Ken-Rad 110% 2400 / 2000Gm used (rb) metal
1 12SK7 $2.00 Ken-Rad 110% 2500 / 2000Gm used (rb) metal
1 12SK7 $2.00 Ken-Rad 120% 2400 / 2000Gm used (rb) metal
1 12SK7 $2.00 Sylvania 120% 2600 / 2000Gm used (rb) metal - yellow lettering
1 12SK7 $2.00 Sylvania 100% 2000 / 2000Gm used (rb) metal - green lettering
1 12SK7 $2.00 Silvertone 130% 2500 / 2000Gm used (rb) metal
1 12SK7 $2.00 Raytheon 140% 2650 / 2000Gm used (rb) metal
1 12SK7 $2.00 Wards Super Airline 120% 2200 / 2000Gm used (rb) metal
1 12SK7 $2.00 Ken-Rad 100% 1700 / 2000Gm used (L) metal
1 12SK7 $2.00 RCA 100% 2200 / 2000Gm used (L) metal - silver lettering
1 12SK7-GT $2.00 Silertone 100% 1800 / 2000Gm used (rb) metal base band
1 12SK7-GT $2.00 Tung-Sol 100% 2400 / 2000Gm used (rb) metal base band
1 12SK7-GT $2.00 Raytheon 120% 2400 / 2000Gm used (rb) metal base band
1 12SK7-GT $2.00 Hytron 120% 2500 / 2000Gm used (rb) metal base band
1 12SK7-GT $2.00 RCA 100% 2200 / 2000Gm used (wb) metal base band
1 12SK7-GT $2.00 unknown 130% 2500 / 2000Gm used (rb) metal base band
1 12SK7-GT $2.00 Hytron 100% 2100 / 2000Gm used (L) metal base band
1 12SK7-GT $2.00 Hytron 100% 2000 / 2000Gm used (L) metal base band
1 12SK7-GT $2.00 RCA 125% 2600 / 2000Gm used (L) metal base band - black lettering
1 12SK7-WA $1.00 GE 110% 2600 / 2000Gm used (L) metal - JAN - brown base - dent in tube
1 12SK7 / VT-131 $1.00 RCA 90% 1800 / 2000Gm used (L) metal - JAN
1 12SK7 $1.00 RCA 90% 2200 / 2000Gm used (L) metal - minor rust on tube - silver lettering
1 12SK7 $1.00 RCA 90% 1500 / 2000Gm used (L) metal - silver lettering
1 12SK7 $1.00 RCA 90% 1800 / 2000Gm used (L) metal - silver lettering
1 12SK7 $1.00 RCA 90% 1700 / 2000Gm used (L) metal - silver lettering
1 12SK7 $1.00 RCA 90% 2000 / 2000Gm used (L) metal - silver lettering
1 12SK7 $1.00 Ken-Rad 90% 1800 / 2000Gm used (L) metal
1 12SK7 $1.00 Tung-Sol 90% 1900 / 2000Gm used (L) metal
1 12SK7 $1.00 GE 90% 1900 / 2000Gm used (L) metal - white lettering
1 12SK7 $1.00 Sylvania 90% 1600 / 2000Gm used (L) metal - green lettering
1 12SK7 $1.00 Wards Super Airlin 90% 1700 / 2000Gm used (L) metal
1 12SK7 $1.00 Westinghouse 90% 1800 / 2000Gm used (L) metal
1 12SK7-GT $1.00 Sylvania 90% 2200 / 2000Gm used (rb) metal base band - black lettering
1 12SK7-GT $1.00 Raytheon 90% 1700 / 2000Gm used (rb) metal base band
1 12SK7-GT $1.00 National Union 90% 2400 / 2000Gm used (L) metal base band
1 12SK7-GT $1.00 National Union 90% 1600 / 2000Gm used (L) metal base band
1 12SK7-GT $1.00 Reliable 110% 2400 / 2000Gm NOS (OB) metal base band - metal band is split

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