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 6SB7-Y $5.00 RCA 120% / 120% 4600 / 4000Gm NOS (OB) metal - JAN - brown base
1 6SB7-Y $5.00 RCA 120% / 110% 4300 / 4000Gm NOS (OB) metal - silver lettering - brown base
1 6SB7-Y $5.00 RCA 120% / 130% 5000 / 4000Gm NOS (OB) metal - silver lettering - brown base
1 6SB7-Y $5.00 RCA 120% / 130% 4800 / 4000Gm NOS (OB) metal - red lettering - brown base
1 6SB7-Y $5.00 RCA 110% / 120% 4500 / 4000Gm NOS (OB) metal - red lettering - brown base
1 6SB7-Y $5.00 RCA 120% / 130% 5000 / 4000Gm NOS (OB) metal - red lettering - brown base
1 6SB7-Y $5.00 RCA 100% / 110% 4500 / 4000Gm NOS (OB) metal - red lettering - brown base
1 6SB7-Y $5.00 Admiral 120% / 120% 4800 / 4000Gm NOS (OB) metal - brown base - missing box flap
1 6SB7-Y $5.00 Admiral 110% / 130% 4700 / 4000Gm NOS (OB) metal - brown base
1 6SB7-Y $5.00 Admiral 110% / 130% 4800 / 4000Gm NOS (OB) metal - brown base
1 6SB7-Y $5.00 Philco 110% / 120% 4400 / 4000Gm NOS (OB) metal - brown base
1 6SB7-Y $5.00 Raytheon 110% / 120% 4500 / 4000Gm NOS (OB) metal - brown base
1 6SB7-Y $5.00 Sylvania 120% / 130% 4500 / 4000Gm NOS (OB) metal - brown base - yellow lettering
1 6SB7-Y $2.50 RCA 120% / 140%5000 / 4000Gm used (OB) metal - silver lettering - brown base
1 6SB7-Y $2.50 Sylvania 100% / 120% 4500 / 4000Gm used (OB) metal - green lettering - brown base
1 6SB7-Y $1.00 Admiral 110% / 90% 3700 / 4000Gm used (OB) metal - brown base
1 6SB7-Y $1.00 RCA 90% / 100% 5000 / 4000Gm used (rb) metal - silver lettering - brown base
1 6006 $30.00 Marconi 100% 3400 / 3300Gm used (wb) metal - blue tube (special 6SG7)
1 6006 $30.00 Marconi 100% 2600 / 3300Gm used (wb) metal - blue tube (special 6SG7)
1 6SG7-GT $5.00 National Union 100% 4000 / 3300Gm NOS (OB) metal base band - JAN
1 6SG7-Y $6.00 RCA 110% 4400 / 3300Gm NOS (OB) metal - JAN - brown base
1 6SG7-Y $6.00 RCA 120% 4300 / 3300Gm NOS (wb) metal - JAN - brown base
1 6SG7 / VT-211 $6.00 RCA 120% 4100 / 3300Gm NOS (wb) metal - JAN
1 6SG7 / VT-211 $6.00 RCA 130% 3900 / 3300Gm NOS (OB) metal - JAN
1 6SG7 / VT-211 $6.00 RCA 110% 3800 / 3300Gm NOS (OB) metal - JAN
1 6SG7 / VT-211 $6.00 RCA 120% 3800 / 3300Gm NOS (OB) metal - JAN
1 6SG7 / VT-211 $6.00 RCA 120% 3700 / 3300Gm NOS (OB) metal - JAN
1 6SG7 / VT-211 $6.00 RCA 110% 3600 / 3300Gm NOS (OB) metal - JAN
1 6SG7 / VT-211 $6.00 Ken-Rad 120% 3800 / 3300Gm NOS (OB) metal - JAN
1 6SG7 $5.00 RCA 120% 3800 / 3300Gm NOS (OB) metal - silver lettering
1 6SG7 $5.00 RCA 120% 4400 / 3300Gm NOS (OB) metal - silver lettering
1 6SG7 $5.00 RCA 120% 4600 / 3300Gm NOS (OB) metal - silver lettering
1 6SG7 $5.00 RCA 120% 4400 / 3300Gm NOS (OB) metal - silver lettering
1 6SG7 $5.00 RCA 120% 4300 / 3300Gm NOS (OB) metal - silver lettering
1 6SG7 $5.00 RCA 110% 4200 / 3300Gm NOS (OB) metal - silver lettering
1 6SG7 $5.00 RCA 120% 4500 / 3300Gm NOS (OB) metal - silver lettering
1 6SG7 $5.00 RCA 120% 3900 / 3300Gm NOS (OB) metal - silver lettering
1 6SG7 $5.00 RCA 130% 4500 / 3300Gm NOS (OB) metal - silver lettering
1 6SG7 $5.00 RCA 125% 4600 / 3300Gm NOS (OB) metal - silver lettering
1 6SG7 $5.00 RCA 120% 4400 / 3300Gm NOS (OB) metal - red lettering
1 6SG7 $5.00 Raytheon 130% 4500 / 3300Gm NOS (OB) metal
1 6SG7 $5.00 Raytheon 110% 3900 / 3300Gm NOS (OB) metal
1 6SG7 $5.00 Raytheon 115% 3500 / 3300Gm NOS (OB) metal
1 6SG7 $5.00 Ken-Rad 120% 4100 / 3300Gm NOS (OB) metal
1 6SG7 $5.00 Philco 110% 3600 / 3300Gm NOS (OB) metal - torn box flap
1 6SG7 $5.00 Philco 120% 4600 / 3300Gm NOS (OB) metal
1 6SG7 $5.00 Motorola 140% 5000 / 3300Gm NOS (OB) metal
1 6SG7 $5.00 Motorola 130% 4500 / 3300Gm NOS (OB) metal
1 6SG7 $5.00 Westinghouse 120% 3900 / 3300Gm NOS (OB) metal
1 6SG7 $5.00 Zenith 120% 4400 / 3300Gm NOS (OB) metal
1 6SG7 $5.00 Tung-Sol 130% 4500 / 3300Gm NOS (OB) metal
1 6SG7 $5.00 GE 110% 3600 / 3300Gm NOS (OB) metal - white lettering
1 6SG7 $5.00 GE 120% 3800 / 3300Gm NOS (OB) metal - white lettering
1 6SG7 $5.00 Sylvania 110% 4100 / 3300Gm NOS (OB) metal - yellow lettering
1 6SG7 $5.00 Sylvania 130% 3900 / 3300Gm NOS (OB) metal - yellow lettering
1 6SG7 $5.00 Sylvania 110% 3500 / 3300Gm NOS (OB) metal - yellow lettering
1 6SG7 $5.00 Sylvania 110% 3700 / 3300Gm NOS (OB) metal - green lettering
1 6SG7 $5.00 Sylvania 110% 3700 / 3300Gm NOS (OB) metal - green lettering
1 6SG7-GT $2.50 National Union 100% 2600 / 3300Gm used (wb) metal base band - JAN
1 6SG7-GT $2.50 National Union 100% 2800 / 3300Gm used (wb) metal base band
1 6SG7-Y $2.50 RCA 110% 4100 / 3300Gm used (wb) metal - JAN - brown base
1 6SG7-Y $2.50 RCA 120% 4000 / 3300Gm used (wb) metal - JAN - brown base
1 6SG7 / VT-211 $2.50 RCA 110% 3800 / 3300Gm used (rb) metal - JAN
1 6SG7 / VT-211 $2.50 RCA 110% 3900 / 3300Gm used (rb) metal - JAN
1 6SG7 / VT-211 $2.50 RCA 105% 3400 / 3300Gm used (rb) metal - JAN
1 6SG7 / VT-211 $2.50 RCA 110% 3600 / 3300Gm used (rb) metal - JAN
1 6SG7 / VT-211 $2.50 Ken-Rad 120% 4000 / 3300Gm used (rb) metal
1 6SG7 / VT-211 $2.00 RCA 105% 3800 / 3300Gm used (L) metal - JAN
1 6SG7 $2.00 RCA 115% 3800 / 3300Gm used (rb) metal - US Navy
1 6SG7 $2.00 RCA 100% 3800 / 3300Gm used (rb) metal - silver lettering
1 6SG7 $2.00 RCA 110% 3800 / 3300Gm used (rb) metal - silver lettering
1 6SG7 $2.00 RCA 110% 3400 / 3300Gm used (rb) metal - silver lettering
1 6SG7 $2.00 RCA 100% 3300 / 3300Gm used (wb) metal - silver lettering
1 6SG7 $2.00 RCA Victor 100% 3400 / 3300Gm used (ob) metal
1 6SG7 $2.00 GE 120% 3000 / 3300Gm used (ob) metal - white lettering
1 6SG7 $2.00 GE 110% 3800 / 3300Gm used (rb) metal - white lettering
1 6SG7 $2.00 GE 110% 3600 / 3300Gm used (rb) metal - white lettering
1 6SG7 $2.00 GE 105% 3500 / 3300Gm used (rb) metal - white lettering
1 6SG7 $2.00 Sylvania 105% 3200 / 3300Gm used (rb) metal - yellow lettering
1 6SG7 $2.00 Sylvania 110% 3700 / 3300Gm used (rb) metal - green lettering
1 6SG7 $2.00 Magnavox 100% 3000 / 3300Gm used (rb) metal
1 6SG7 $2.00 Cunningham 115% 3400 / 3300Gm used (rb) metal
1 6SG7 / VT-211 $2.00 RCA 105% 3800 / 3300Gm used (L) metal - JAN
1 6SG7 $2.00 RCA 110% 3800 / 3300Gm used (L) metal - silver lettering
1 6SG7 $2.00 RCA 100% 3400 / 3300Gm used (L) metal - silver lettering - JAN
1 6SG7 $2.00 RCA 105% 2700 / 3300Gm used (L) metal - silver lettering
1 6SG7 $2.00 GE 100% 3600 / 3300Gm used (L) metal - white lettering
1 6SG7 $2.00 CBS 100% 4000 / 3300Gm used (L) metal
1 6SG7 $2.00 Admiral 100% 3500 / 3300Gm used (L) metal
1 6SG7 / VT-211 $1.00 RCA 90% 2800 / 3300Gm used (L) metal - JAN
1 6SG7 $1.00 RCA 90% 3000 / 3300Gm used (L) metal - silver lettering
1 6SG7 $1.00 RCA 90% 3200 / 3300Gm used (L) metal - silver lettering
1 6SG7 $1.00 GE 90% 2800 / 3300Gm used (L) metal - white lettering
1 6SG7 $1.00 GE 90% 2800 / 3300Gm used (L) metal - white lettering
1 6SG7 $1.00 Ken-Rad 90% 3000 / 3300Gm used (L) metal - JAN
1 6SG7 $1.00 Westinghouse 90% 3300 / 3300Gm used (L) metal
1 6SG7 $0.50 GE 85% 2600 / 3300Gm used (L) metal - white lettering
1 6SG7 $0.50 Cbs / Hytron 130% 2800 / 3300Gm used (ob) metal
1 6SG7 $0.50 RCA 100% 3500 / 3300Gm used (L) metal - silver lettering - minor rust on tube
1 12SG7-Y $5.00 RCA 120% 4700 / 3300Gm NOS (OB) metal - JAN - brown base
1 12SG7-Y $5.00 RCA 120% 4500 / 3300Gm NOS (OB) metal - JAN - brown base
1 12SG7-Y $5.00 RCA 115% 5200 / 3300Gm NOS (OB) metal - JAN - brown base
1 12SG7-Y $5.00 RCA 115% 4300 / 3300Gm NOS (OB) metal - JAN - brown base
1 12SG7-Y $5.00 RCA 115% 4200 / 3300Gm NOS (OB) metal - JAN - brown base
1 12SG7-Y $5.00 GE 110% 3600 / 3300Gm NOS (OB) metal - JAN - brown base
1 12SG7-Y $5.00 Ken-Rad 120% 3800 / 3300Gm NOS (OB) metal - JAN - brown base
1 12SG7 / VT209 $5.00 RCA 120% 4200 / 3300Gm NOS (OB) metal - JAN
1 12SG7 / VT209 $5.00 RCA 110% 4100 / 3300Gm NOS (OB) metal - JAN
1 12SG7 / VT209 $5.00 RCA 120% 4100 / 3300Gm NOS (OB) metal - JAN
1 12SG7 / VT209 $5.00 RCA 110% 4000 / 3300Gm NOS (OB) metal - JAN
1 12SG7 / VT209 $5.00 RCA 110% 3800 / 3300Gm NOS (OB) metal - JAN
1 12SG7 / VT209 $5.00 RCA 110% 3800 / 3300Gm NOS (OB) metal - JAN
1 12SG7 / VT209 $5.00 RCA 110% 4000 / 3300Gm NOS (OB) metal - JAN
1 12SG7 / VT209 $5.00 RCA 110% 3800 / 3300Gm NOS (OB) metal - JAN
1 12SG7 / VT209 $5.00 RCA 120% 4100 / 3300Gm NOS (OB) metal - JAN
1 12SG7 / VT209 $5.00 RCA 130% 3600 / 3300Gm NOS (OB) metal - JAN
1 12SG7 / VT209 $5.00 RCA 115% 3900 / 3300Gm NOS (OB) metal - JAN
1 12SG7 $4.00 RCA Victor 120% 4100 / 3300Gm NOS (OB) metal - missing box flap
1 12SG7 $4.00 RCA 130% 5000 / 3300Gm NOS (OB) metal - silver lettering
1 12SG7 $4.00 Ken-Rad 110% 3800 / 3300Gm NOS (OB) metal - sealed in box
1 12SG7 $4.00 GE 110% 4200 / 3300Gm NOS (OB) metal - white lettering
1 12SG7 $4.00 GE 110% 4000 / 3300Gm NOS (OB) metal - white lettering
1 12SG7 $4.00 GE 110% 4000 / 3300Gm NOS (OB) metal - white lettering
1 12SG7 $4.00 GE 110% 4000 / 3300Gm NOS (OB) metal - white lettering
1 12SG7 $4.00 GE 110% 3900 / 3300Gm NOS (OB) metal - white lettering
1 12SG7 $4.00 GE 110% 3900 / 3300Gm NOS (OB) metal - white lettering
1 12SG7 $4.00 GE 110% 3800 / 3300Gm NOS (OB) metal - white lettering
1 12SG7 $4.00 RCA 120% 4200 / 3300Gm NOS (OB) metal - red lettering
1 12SG7 $4.00 RCA 120% 4200 / 3300Gm NOS (OB) metal - silver lettering
1 12SG7 $4.00 RCA 110% 4200 / 3300Gm NOS (OB) metal - red lettering
1 12SG7 $4.00 RCA 120% 4500 / 3300Gm NOS (OB) metal - red lettering
1 12SG7 $4.00 Philco 110% 3400 / 3300Gm NOS (OB) metal
1 12SG7 $4.00 Dumont 110% 3300 / 3300Gm NOS (OB) metal
1 12SG7 $4.00 Raytheon 110% 4200 / 3300Gm NOS (OB) metal
1 12SG7 $4.00 Raytheon 120% 4600 / 3300Gm NOS (OB) metal
1 12SG7 $4.00 Westinghouse 110% 4200 / 3300Gm NOS (OB) metal
1 12SG7 $4.00 Tung-Sol 110% 3400 / 3300Gm NOS (OB) metal
1 12SG7 $4.00 Tung-Sol 110% 3600 / 3300Gm NOS (OB) metal
1 12SG7 $4.00 Tung-Sol 110% 4000 / 3300Gm NOS (OB) metal
1 12SG7 $4.00 Tung-Sol 110% 4800 / 3300Gm NOS (OB) metal
1 12SG7 $4.00 Sylvania 120% 4500 / 3300Gm NOS (OB) metal - yellow lettering
1 12SG7 $4.00 Sylvania 110% 4500 / 3300Gm NOS (OB) metal - yellow lettering
1 12SG7 $4.00 Sylvania 110% 4200 / 3300Gm NOS (OB) metal - yellow lettering
1 12SG7-Y $2.50 RCA 110% 4400 / 3300Gm used (wb) metal - JAN - brown base
1 12SG7-Y $2.50 RCA 125% 4800 / 3300Gm used (wb) metal - JAN - brown base
1 12SG7-Y $2.50 GE 110% 3600 / 3300Gm used (wb) metal - JAN - brown base
1 12SG7-Y $2.50 GE 100% 3500 / 3300Gm used (OB) metal - JAN - brown base
1 12SG7-Y $2.50 GE 120% 3300 / 3300Gm used (wb) metal - JAN - brown base
1 12SG7 / VT209 $2.00 RCA 120% 4400 / 3300Gm used (rb) metal - JAN
1 12SG7 / VT209 $2.00 RCA 100% 3800 / 3300Gm used (OB) metal - JAN
1 12SG7 / VT209 $2.00 RCA 105% 4000 / 3300Gm used (OB) metal - JAN
1 12SG7 / VT209 $2.00 RCA 105% 3800 / 3300Gm used (OB) metal - JAN
1 12SG7 / VT209 $2.00 RCA 120% 4100 / 3300Gm used (OB) metal - JAN
1 12SG7 / VT209 $2.00 RCA 130% 4200 / 3300Gm used (OB) metal - JAN
1 12SG7 / VT209 $2.00 RCA 100% 3800 / 3300Gm used (wb) metal - US Army
1 12SG7 / VT209 $2.00 RCA 100% 3500 / 3300Gm used (wb) metal - JAN
1 12SG7 / VT209 $2.00 RCA 100% 3800 / 3300Gm used (OB) metal - US Army
1 12SG7 / VT209 $2.00 RCA 110% 3800 / 3300Gm used (rb) metal - JAN - minor rust on tube
1 12SG7 / VT209 $2.00 RCA 100% 3600 / 3300Gm used (wb) metal - JAN
1 12SG7 / VT209 $2.00 RCA 100% 3400 / 3300Gm used (wb) metal - JAN
1 12SG7 / VT209 $2.00 Ken-Rad 110% 3600 / 3300Gm used (OB) metal
1 12SG7 / VT209 $2.00 Ken-Rad 110% 4000 / 3300Gm used (OB) metal - JAN
1 12SG7 / VT209 $2.00 Ken-Rad 100% 3600 / 3300Gm used (OB) metal
1 12SG7 / VT209 $2.00 Ken-Rad 120% 3100 / 3300Gm used (OB) metal - JAN
1 12SG7 / VT209 $2.00 Ken-Rad 110% 4000 / 3300Gm used (OB) metal - JAN
1 12SG7 / VT209 $2.00 Ken-Rad 105% 3800 / 3300Gm used (wb) metal
1 12SG7 $2.00 Sylvania 110% 3000 / 3300Gm used (OB) metal - yellow lettering
1 12SG7 $2.00 Sylvania 110% 3300 / 3300Gm used (OB) metal - green lettering
1 12SG7 $2.00 Wards Airline 100% 3400 / 3300Gm used (rb) metal
1 12SG7 $2.00 Hallicrafters 110% 4200 / 3300Gm used (rb) metal
1 12SG7 $2.00 Ken-Rad 120% 4100 / 3300Gm used (rb) metal
1 12SG7 $2.00 GE 110% 3400 / 3300Gm used (rb) metal - white lettering
1 12SG7 $2.00 GE 105% 3600 / 3300Gm used (rb) metal - orange lettering
1 12SG7 $2.00 GE 120% 3300 / 3300Gm used (wb) metal - red lettering
1 12SG7 $2.00 GE 110% 3600 / 3300Gm used (rb) metal - white lettering
1 12SG7 $0.50 GE 90% 3000 / 3300Gm used (rb) metal - white lettering
1 12SG7 $0.50 Western Union 90% 3000 / 3300Gm used (rb) metal
1 12SG7 $0.50 Sylvania 90% 3000 / 3300Gm used (OB) metal - yellow lettering
1 12SG7 $0.50 Sylvania 115% 2500 / 3300Gm used (OB) metal - green lettering
1 12SG7 / VT209 $2.00 Ken-Rad 110% 3600 / 3300Gm used (L) metal - US Army
1 12SG7 / VT209 $2.00 Ken-Rad 110% 4000 / 3300Gm used (L) metal - US Army
1 12SG7 / VT209 $2.00 Ken-Rad 110% 3700 / 3300Gm used (L) metal - US Army
1 12SG7 / VT209 $2.00 GE 100% 3800 / 3300Gm used (L) metal - white 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