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 12K7-GT $4.00 GE 120% 1550 / 1450Gm NOS (OB) metal base band - white lettering
1 12K7-GT $4.00 GE 120% 1550 / 1450Gm NOS (OB) metal base band - white lettering
1 12K7-GT $4.00 GE 120% 1550 / 1450Gm NOS (OB) metal base band - white lettering
1 12K7-GT $4.00 GE 120% 1550 / 1450Gm NOS (OB) metal base band - white lettering
1 12K7-GT $4.00 GE 120% 1550 / 1450Gm NOS (OB) metal base band - white lettering
1 12K7-GT $4.00 RCA 110% 1600 / 1450Gm NOS (OB) metal base band - red lettering
1 12K7-GT $4.00 RCA 130% 1600 / 1450Gm NOS (OB) metal base band - red lettering
1 12K7-GT $4.00 RCA 130% 1750 / 1450Gm NOS (OB) metal base band - red lettering
1 12K7-GT $4.00 RCA 110% 1550 / 1450Gm NOS (OB) metal base band - red lettering
1 12K7-GT $4.00 RCA 130% 1600 / 1450Gm NOS (OB) metal base band - red lettering
1 12K7-GT $4.00 RCA 120% 1550 / 1450Gm NOS (OB) metal base band - red lettering
1 12K7-GT $4.00 RCA 130% 1650 / 1450Gm NOS (OB) metal base band - red lettering
1 12K7-GT $4.00 RCA 130% 1600 / 1450Gm NOS (OB) metal base band - red lettering
1 12K7-GT $4.00 RCA 120% 1600 / 1450Gm NOS (OB) metal base band - red lettering
1 12K7-GT $4.00 RCA 110% 1550 / 1450Gm NOS (OB) metal base band - black lettering
1 12K7-GT $4.00 RCA 110% 1600 / 1450Gm NOS (OB) metal base band - black lettering
1 12K7-GT $4.00 RCA 110% 1550 / 1450Gm NOS (OB) metal base band - black lettering
1 12K7-GT $4.00 RCA 110% 1750 / 1450Gm NOS (OB) metal base band - black lettering
1 12K7-GT $4.00 RCA 120% 1700 / 1450Gm NOS (OB) metal base band - black lettering
1 12K7-GT $4.00 RCA 110% 1550 / 1450Gm NOS (OB) metal base band - black lettering
1 12K7-GT $4.00 RCA 110% 1700 / 1450Gm NOS (OB) metal base band - black lettering
1 12K7-GT $4.00 RCA 120% 1800 / 1450Gm NOS (OB) metal base band - black lettering
1 12K7-GT $4.00 Sylvania 130% 1750 / 1450Gm NOS (OB) metal base band - black lettering - damaged box
1 12K7-GT $4.00 Sylvania 130% 1600 / 1450Gm NOS (OB) metal base band - green lettering
1 12K7-GT $4.00 Sylvania 120% 1550 / 1450Gm NOS (OB) metal base band - green lettering
1 12K7-GT $4.00 CBS 130% 1700 / 1450Gm NOS (OB) metal base band - minor rust on base
1 12K7-GT $4.00 CBS / Hytron 130% 1800 / 1450Gm NOS (OB) metal base band
1 12K7-GT $4.00 CBS / Hytron 130% 1800 / 1450Gm NOS (OB) metal base band
1 12K7-GT $4.00 Philco 110% 1650 / 1450Gm NOS (OB) metal base band
1 12K7-GT $4.00 Tung-Sol 130% 1800 / 1450Gm NOS (OB) metal base band
1 12K7-GT $4.00 Admiral 120% 2400 / 1450Gm NOS (OB) metal base band
1 12K7-GT $4.00 Raytheon 120% 1550 / 1450Gm NOS (OB) metal base band
1 12K7-GT $4.00 International Servicemaster 120% 1750 / 1450Gm NOS (OB) metal base band
1 12K7-GT $4.00 RCA 120% 1550 / 1450Gm NOS (OB) metal base band - JAN - black lettering
1 12K7-GT $4.00 Ken-Rad 130% 1700 / 1450Gm NOS (OB) metal base band - JAN
1 12K7-GT $4.00 Ken-Rad 130% 1750 / 1450Gm NOS (OB) metal base band - JAN - sealed in box
1 12K7-GT $4.00 Ken-Rad 130% 1750 / 1450Gm NOS (OB) metal base band - JAN - sealed in box
1 12K7-GT $4.00 Ken-Rad 130% 1700 / 1450Gm NOS (OB) metal base band - JAN - sealed in box
1 12K7-GT $4.00 Ken-Rad 140% 1900 / 1450Gm NOS (OB) metal base band - JAN - sealed in box
1 12K7-GT $4.00 Ken-Rad 120% 1700 / 1450Gm NOS (OB) metal base band - JAN - sealed in box
1 12K7-GT $4.00 Ken-Rad 120% 1800 / 1450Gm NOS (OB) metal base band - JAN - sealed in box
1 12K7-GT $4.00 Ken-Rad 130% 1700 / 1450Gm NOS (OB) metal base band - JAN - sealed in box
1 12K7-GT $4.00 Ken-Rad 130% 1750 / 1450Gm NOS (OB) metal base band - JAN - sealed in box
1 12K7-GT $4.00 Ken-Rad 130% 1800 / 1450Gm NOS (OB) metal base band - JAN - sealed in box
1 12K7-GT $2.00 Hytron 130% 1700 / 1450Gm used (rb) metal base band
1 12K7-GT $2.00 Arcturus 110% 1300 / 1450Gm used (rb) metal base band
1 12K7-GT $2.00 Sylvania 120% 1500 / 1450Gm used (rb) metal base band - black lettering
1 12K7-GT $2.00 Tung-Sol 110% 1650 / 1450Gm used (rb) metal base band
1 12K7-GT $2.00 Westinghouse 140% 1800 / 1450Gm used (rb) metal base band
1 12K7-GT $2.00 Ken-Rad 120% 1600 / 1450Gm used (rb) metal base band
1 12K7-GT $2.00 Firestone Firechief 130% 1800 / 1450Gm used (wb) metal base band - made by Ken-Rad
1 12K7-GT $2.00 RCA 110% 1200 / 1450Gm used (rb) metal base band - black lettering
1 12K7-GT $2.00 Tung-Sol 100% 1600 / 1450Gm used (rb) metal base band
1 12K7-GT $1.00 Tung-Sol 130% 1800 / 1450Gm NOS (OB) metal base band - minor rust on base
1 12K7-GT $1.00 RCA 120% 1600 / 1450Gm NOS (OB) metal base band - JAN - black lettering - minor rust on base
1 12K7-GT $1.00 RCA 130% 1650 / 1450Gm NOS (OB) metal base band - JAN - black lettering - minor rust on base
1 12K7-GT $0.50 Cunningham 90% 1400 / 1450Gm used (rb) metal base band
1 12K7-GT $0.50 RCA 90% 1300 / 1450Gm used (rb) metal base band
1 12K7-GT $0.50 RCA Victor 110% 1700 / 1450Gm used leaky (2M) (OB) metal base band
1 12K8-GT $5.00 Sylvania 120% / 140% 1150 / 900: 2200 / 1200Gm NOS (OB) metal base band - green lettering - pin 1 ground strap
1 12K8-GT $4.00 Sylvania 110% / 120% 1250 / 900: 2000 / 1200Gm NOS (OB) metal base band - green lettering
1 12K8-GT $4.00 Sylvania 110% / 120% 1200 / 900: 1900 / 1200Gm NOS (OB) metal base band - green lettering
1 12K8-GT $4.00 Sylvania 110% / 120% 1100 / 900: 2000 / 1200Gm NOS (OB) metal base band - green lettering
1 12K8-GT $4.00 National Union 120% / 130% 1200 / 900: 2200 / 1200Gm NOS (OB) metal base band - green lettering
1 12K8-GT $4.00 National Union 110% / 130% 1200 / 900: 2300 / 1200Gm NOS (OB) metal base band - green lettering
1 12K8-GT $4.00 Hytron 110% / 140% 1000 / 900: 2350 / 1200Gm NOS (OB) metal base band
1 12K8-GT $4.00 CBS / Hytron 120% / 120% 1300 / 900: 2200 / 1200Gm NOS (OB) metal base band
1 12K8-GT $4.00 Philco 110% / 110% 1100 / 900: 1850 / 1200Gm NOS (OB) metal base band
1 12K8-GT $4.00 Philco 110% / 110% 1000 / 900: 2000 / 1200Gm NOS (OB) metal base band
1 12K8-GT $4.00 Philco 110% / 110% 1000 / 900: 2000 / 1200Gm NOS (OB) metal base band
1 12K8-GT $4.00 Philco 120% / 110% 1100 / 900: 1900 / 1200Gm NOS (OB) metal base band
1 12K8-GT $4.00 Philco 120% / 110% 1000 / 900: 1900 / 1200Gm NOS (OB) metal base band
1 12K8-GT $4.00 Philco 110% / 120% 1100 / 900: 2100 / 1200Gm NOS (OB) metal base band
1 12K8-GT $4.00 Philco 120% / 110% 1100 / 900: 1800 / 1200Gm NOS (OB) metal base band
1 12K8-GT $4.00 Philco 110% / 140% 1100 / 900: 2500 / 1200Gm NOS (OB) metal base band - sealed in box
1 12K8 / VT-132 $4.00 RCA 130% / 120% 1300 / 900: 2250 / 1200Gm NOS (OB) metal - brown base - US Army
1 12K8 / VT-132 $4.00 RCA 120% / 130% 1300 / 900: 2250 / 1200Gm NOS (OB) metal - brown base - US Army
1 12K8 / VT-132 $4.00 RCA 110% / 110% 1100 / 900: 1800 / 1200Gm NOS (OB) metal - brown base - US Navy
1 12K8 / VT-132 $4.00 RCA 120% / 120% 1100 / 900: 1950 / 1200Gm NOS (OB) metal - brown base - US Army
1 12K8 / VT-132 $4.00 RCA 130% / 130% 1250 / 900: 2100 / 1200Gm NOS (OB) metal - brown base - US Army
1 12K8 / VT-132 $4.00 RCA 130% / 120% 1200 / 900: 1700 / 1200Gm NOS (OB) metal - brown base - US Army
1 12K8 / VT-132 $4.00 RCA 110% / 120% 1250 / 900: 2100 / 1200Gm NOS (OB) metal - brown base - US Army
1 12K8 / VT-132 $4.00 RCA 110% / 140% 1200 / 900: 2400 / 1200Gm NOS (OB) metal - brown base - US Army
1 12K8 / VT-132 $4.00 RCA 110% / 130% 1200 / 900: 2200 / 1200Gm NOS (OB) metal - brown base - US Army
1 12K8 / VT-132 $4.00 RCA 110% / 120% 1200 / 900: 1900 / 1200Gm NOS (OB) metal - brown base - US Army - damaged box
1 12K8 / VT-132 $2.00 Ken-Rad 110% / 130% 1400 / 900: 2400 / 1200Gm used (rb) metal - brown base
1 12K8 / VT-132 $2.00 RCA 110% / 110% 1200 / 900: 1650 / 1200Gm used (rb) metal - brown base - US Army
1 12K8-Y / VT-132 $2.00 RCA 110% / 140% 1100 / 900: 2500 / 1200Gm used (OB) metal - brown base - JAN
1 12K8-Y / VT-132 $2.00 RCA 110% / 130% 1100 / 900: 2100 / 1200Gm used (OB) metal - brown base - JAN
1 12K8 / VT-132 $2.00 RCA 120% / 130% 1150 / 900: 2000 / 1200Gm used (OB) metal - brown base - US Army
1 12K8-Y $4.00 RCA 120% / 130% 1250 / 900: 1900 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8-Y $4.00 RCA 110% / 110% 1100 / 900: 1900 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8-Y $4.00 RCA 130% / 120% 1200 / 900: 1800 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8-Y $4.00 RCA 110% / 140% 1000 / 900: 2300 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8-Y $4.00 RCA 120% / 120% 1150 / 900: 1850 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8-Y $4.00 RCA 120% / 140% 1100 / 900: 1800 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8-Y $4.00 RCA 110% / 120% 1100 / 900: 2000 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8-Y $4.00 RCA 120% / 110% 1200 / 900: 1800 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8-Y $4.00 RCA 110% / 110% 1250 / 900: 1850 / 1200Gm NOS (OB) metal - brown base - silver lettering - damaged box
1 12K8-Y $4.00 RCA 110% / 140% 1100 / 900: 2400 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8-Y $4.00 RCA 120% / 130% 1300 / 900: 1900 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8-Y $4.00 Sylvania 120% / 130% 1300 / 900: 2000 / 1200Gm NOS (OB) metal - brown base - green lettering
1 12K8-Y $4.00 Sylvania 110% / 140% 1200 / 900: 2500 / 1200Gm NOS (OB) metal - brown base - green lettering
1 12K8 $4.00 RCA 110% / 130% 1100 / 900: 2100 / 1200Gm NOS (OB) metal - brown base - US Navy
1 12K8 $4.00 RCA 120% / 140% 1200 / 900: 2200 / 1200Gm NOS (OB) metal - brown base - US Navy
1 12K8 $4.00 RCA 110% / 140% 1100 / 900: 2200 / 1200Gm NOS (OB) metal - brown base - US Navy
1 12K8 $4.00 RCA 110% / 120% 1200 / 900: 1950 / 1200Gm NOS (OB) metal - brown base - US Navy
1 12K8 $4.00 RCA 110% / 140% 1200 / 900: 2350 / 1200Gm NOS (OB) metal - brown base - US Navy
1 12K8 $4.00 RCA 110% / 110% 1100 / 900: 1800 / 1200Gm NOS (OB) metal - brown base - US Navy
1 12K8 $4.00 RCA 110% / 120% 1100 / 900: 2300 / 1200Gm NOS (OB) metal - brown base - US Navy
1 12K8 $4.00 RCA 120% / 130% 1250 / 900: 2000 / 1200Gm NOS (OB) metal - brown base - US Navy
1 12K8 $4.00 RCA 110% / 130% 1250 / 900: 2000 / 1200Gm NOS (OB) metal - brown base - US Navy
1 12K8 $4.00 RCA 120% / 130% 1300 / 900: 2300 / 1200Gm NOS (OB) metal - brown base - US Navy
1 12K8 $4.00 RCA 120% / 140% 1300 / 900: 2500 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8 $4.00 RCA 120% / 130% 1150 / 900: 2100 / 1200Gm NOS (OB) metal - brown base - red lettering
1 12K8 $4.00 RCA 110% / 140% 1100 / 900: 2400 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8 $4.00 RCA 130% / 110% 1300 / 900: 2000 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8 $4.00 RCA 130% / 140% 1200 / 900: 2100 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8 $4.00 RCA 110% / 130% 1200 / 900: 1900 / 1200Gm NOS (OB) metal - brown base - silver lettering
1 12K8 $4.00 GE 110% / 140% 1200 / 900: 2400 / 1200Gm NOS (OB) metal - brown base - sealed in box
1 12K8 $4.00 GE 130% / 130% 1250 / 900: 2100 / 1200Gm NOS (OB) metal - brown base - sealed in box
1 12K8 $4.00 Hytron 120% / 120% 1100 / 900: 1800 / 1200Gm NOS (OB) metal - black base
1 12K8 $4.00 Raythoen 110% / 130% 1100 / 900: 2200 / 1200Gm NOS (OB) metal - brown base - sealed in box
1 12K8 $4.00 Raytheon 120% / 140% 1250 / 900: 2350 / 1200Gm NOS (OB) metal - brown base
1 12K8 $4.00 Sylvania 120% / 140% 1200 / 900: 2300 / 1200Gm NOS (OB) metal - black base - yellow lettering
1 12K8 $4.00 Ken-Rad 130% / 140% 1400 / 900: 2600 / 1200Gm NOS (OB) metal - brown base - sealed in box
1 12K8 $4.00 Ken-Rad 120% / 140% 1400 / 900: 2500 / 1200Gm NOS (OB) metal - brown base - sealed in box
1 12K8 $4.00 Ken-Rad 140% / 140% 1450 / 900: 2300 / 1200Gm NOS (OB) metal - brown base - sealed in box
1 12K8 $4.00 Ken-Rad 110% / 130% 1200 / 900: 2400 / 1200Gm NOS (OB) metal - brown base - sealed in box
1 12K8 $4.00 Ken-Rad 130% / 140% 1400 / 900: 2600 / 1200Gm NOS (OB) metal - brown base - sealed in box
1 12K8 $4.00 Ken-Rad 110% / 130% 1150 / 900: 2100 / 1200Gm NOS (OB) metal - brown base - sealed in box
1 12K8 $4.00 Ken-Rad 90% / 140% 1000 / 900: 2000 / 1200Gm NOS (OB) metal - brown base - sealed in box
1 12K8 $4.00 Ken-Rad 110% / 130% 1150 / 900: 2000 / 1200Gm NOS (OB) metal - brown base - damabed box
1 12K8-Y $2.00 RCA 130% / 130% 1350 / 900: 2000 / 1200Gm used (rb) metal - brown base - US Army
1 12K8 $2.00 RCA 110% / 130% 1300 / 900: 2200 / 1200Gm used (rb) metal - brown base - silver lettering
1 12K8 $2.00 GE 120% / 120% 1400 / 900: 1900 / 1200Gm used (rb) metal - brown base - white lettering
1 12K8 $2.00 RCA 120% / 130% 1200 / 900: 2300 / 1200Gm used (rb) metal - brown base - US Navy
1 12K8-Y $2.00 RCA 120% / 140% 1200 / 900: 2100 / 1200Gm used (L) metal - silver lettering
1 12K8 / VT-132 $2.00 RCA 120% / 140% 1100 / 900: 2200 / 1200Gm used (L) metal - US Army
1 12K8 / VT-132 $2.00 RCA 120% / 120% 900 / 900: 2100 / 1200Gm used (L) metal - US Army
1 12K8 / VT-132 $2.00 RCA 110% / 110% 1100 / 900: 1700 / 1200Gm used (L) metal - US Army
1 12K8 / VT-132 $2.00 RCA 130% / 130% 1100 / 900: 2100 / 1200Gm used (L) metal - US Army
1 12K8 / VT-132 $2.00 RCA 120% / 120% 1100 / 900: 1900 / 1200Gm used (L) metal - silver lettering
1 12K8 $2.00 RCA 120% / 130% 1200 / 900: 2100 / 1200Gm used (L) metal - US Navy
1 12K8 $2.00 RCA 110% / 140% 1100 / 900: 2500 / 1200Gm used (L) metal - silver lettering
1 12K8 $2.00 GE 110% / 120% 1100 / 900: 1700 / 1200Gm used (L) metal - white lettering
1 12K8-Y / VT-132 $1.00 RCA 100% / 120% 1100 / 900: 2100 / 1200Gm used (OB) metal - brown base
1 12K8 / VT-132 $1.00 RCA 100% / 110% 1100 / 900: 1800 / 1200Gm used (rb) metal - brown base
1 12K8 / VT-132 $1.00 RCA 100% / 120% 1200 / 900: 2100 / 1200Gm used (rb) metal - brown base - US Army
1 12K8 $1.00 RCA 100% / 120% 1100 / 900: 2000 / 1200Gm used (L) metal - US Navy
1 12K8 $1.00 Ken-Rad 100% / 140% 1250 / 900: 2000 / 1200Gm used (rb) metal - black base
1 12K8 $1.00 Sylvania 90% / 110% 1000 / 900: 1700 / 1200Gm used (rb) metal - brown base - green lettering
1 12K8 $1.00 Sylvania 90% / 140% 1000 / 900: 2500 / 1200Gm used (OB) metal - brown base - green lettering
1 12K8 / VT-132 $1.00 Ken-Rad 100% / 130% 1000 / 900: 2200 / 1200Gm used (L) metal - JAN
1 12K8 / VT-132 $1.00 RCA 90% / 130% 1000 / 900: 2400 / 1200Gm used (L) metal - US Army
1 12K8 / VT-132 $1.00 RCA 90% / 130% 1200 / 900: 1900 / 1200Gm used (OB) metal - brown base - US Navy
1 12K8-GT $1.00 Philco 110% / 120% 800 / 900: 2150 / 1200Gm used (OB) metal base band
1 12K8-GT $1.00 Philco 120% / 110% 1200 / 900: 1900 / 1200Gm NOS (OB) metal base band - base band is split
1 12K8-GT $0.50 Sylvania 70% / 140% 800 / 900: 2450 / 1200Gm used (OB) metal base band - green letterng
1 12K8 / VT-132 $0.50 RCA 100% / 110% 1100 / 900: 1900 / 1200Gm used (L) metal - minor rust on 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, (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