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 6S7 $3.00 RCA 120% 2000 / 1250Gm NOS (OB) metal - silver lettering
1 6S7 $3.00 RCA 120% 2000 / 1250Gm NOS (OB) metal - silver lettering
1 6S7 $3.00 RCA 120% 1900 / 1250Gm NOS (OB) metal - silver lettering
1 6S7 $3.00 RCA 130% 2000 / 1250Gm NOS (OB) metal - silver lettering
1 6S7 $3.00 Ratheon 130% 100 / 1250Gm NOS (OB) metal
1 6S7 $3.00 Philco 120% 1900 / 1250Gm NOS (OB) metal
1 6S7 $3.00 Philco 130% 1900 / 1250Gm NOS (OB) metal
1 6S7 $3.00 GE 130% 2000 / 1250Gm NOS (OB) metal - white lettering
1 6SR7-GT $8.00 Raytheon 100% diodes 110% / 110% 2250 / 1900Gm NOS (OB) black base
1 6SR7-GT $8.00 Raytheon 100% diodes 110% / 120% 1900 / 1900Gm NOS (OB) black base
1 6SR7-GT $2.50 Zenith 90% diodes 120% / 120% 1800 / 1900Gm used (rb) black base (cat:401-181)
1 6SR7-GT $2.50 Raytheon 130% diodes 60% / 60% 2400 / 1900Gm used (OB) black base
1 6SR7 / VT-233 $3.00 RCA 110% diodes 110% / 110% 2100 / 1900Gm NOS (OB) metal - US Army
1 6SR7 / VT-233 $3.00 RCA 120% diodes 115% / 115% 2250 / 1900Gm NOS (OB) metal - US Navy
1 6SR7 / VT-233 $3.00 RCA 110% diodes 110% / 110% 2200 / 1900Gm NOS (OB) metal - US Army
1 6SR7 / VT-233 $3.00 RCA 120% diodes 110% / 110% 2050 / 1900Gm NOS (OB) metal - US Army
1 6SR7 $3.00 RCA 110% diodes 110% / 110% 2200 / 1900Gm NOS (OB) metal - silver lettering
1 6SR7 $3.00 RCA 110% diodes 110% / 110% 2000 / 1900Gm NOS (OB) metal - silver lettering
1 6SR7 $3.00 RCA 110% diodes 110% / 110% 2000 / 1900Gm NOS (OB) metal - silver lettering
1 6SR7 $3.00 RCA 110% diodes 110% / 110% 2000 / 1900Gm NOS (OB) metal - US Navy
1 6SR7 $3.00 RCA 120% diodes 110% / 110% 2000 / 1900Gm NOS (OB) metal - red lettering
1 6SR7 $3.00 RCA 110% diodes 110% / 120% 2100 / 1900Gm NOS (OB) metal - silver lettering
1 6SR7 $3.00 RCA 120% diodes 110% / 110% 2100 / 1900Gm NOS (OB) metal - silver lettering
1 6SR7 $3.00 RCA 120% diodes 110% / 110% 2150 / 1900Gm NOS (OB) metal - silver lettering
1 6SR7 $3.00 RCA 110% diodes 110% / 110% 2050 / 1900Gm NOS (OB) metal - silver lettering
1 6SR7 $3.00 RCA 100% diodes 110% / 110% 2000 / 1900Gm NOS (OB) metal - silver lettering
1 6SR7 $3.00 Sylvania 110% diodes 110% / 110% 2050 / 1900Gm NOS (OB) metal - yellow lettering
1 6SR7 $3.00 Sylvania 130% diodes 110% / 110% 2100 / 1900Gm NOS (OB) metal - yellow lettering
1 6SR7 $3.00 Sylvania 110% diodes 110% / 110% 2000 / 1900Gm NOS (OB) metal - yellow lettering
1 6SR7 $3.00 Sylvania 110% diodes 110% / 110% 2000 / 1900Gm NOS (OB) metal - yellow lettering
1 6SR7 $3.00 Sylvania 110% diodes 110% / 110% 2000 / 1900Gm NOS (OB) metal - yellow lettering
1 6SR7 $3.00 Sylvania 110% diodes 110% / 110% 2100 / 1900Gm NOS (OB) metal - green lettering
1 6SR7 $3.00 GE 120% diodes 110% / 110% 2300 / 1900Gm NOS (OB) metal - JAN
1 6SR7 $3.00 GE 120% diodes 110% / 110% 2200 / 1900Gm NOS (OB) metal - JAN
1 6SR7 $3.00 GE 120% diodes 120% / 120% 2200 / 1900Gm NOS (OB) metal - white lettering
1 6SR7 $3.00 GE 120% diodes 120% / 120% 2200 / 1900Gm NOS (OB) metal - white lettering
1 6SR7 $3.00 GE 120% diodes 110% / 110% 2150 / 1900Gm NOS (OB) metal - white lettering
1 6SR7 $3.00 GE 110% diodes 120% / 120% 2100 / 1900Gm NOS (OB) metal - white lettering
1 6SR7 $3.00 GE 120% diodes 100% / 100% 2100 / 1900Gm NOS (OB) metal - white lettering
1 6SR7 $3.00 GE 120% diodes 110% / 110% 2200 / 1900Gm NOS (OB) metal - white lettering
1 6SR7 $3.00 Raytheon 120% diodes 110% / 120% 2000 / 1900Gm NOS (OB) metal
1 6SR7 $3.00 Raytheon 120% diodes 110% / 120% 2200 / 1900Gm NOS (OB) metal
1 6SR7 $3.00 Raytheon 120% diodes 110% / 120% 2100 / 1900Gm NOS (OB) metal
1 6SR7 $3.00 Delco 120% diodes 110% / 110% 2200 / 1900Gm NOS (wb) metal
1 6SR7 $3.00 Tung-Sol 130% diodes 110% / 110% 2400 / 1900Gm NOS (wb) metal
1 6SR7 $3.00 Tung-Sol 110% diodes 120% / 110% 2100 / 1900Gm NOS (OB) metal
1 6SR7 $3.00 Ken-Rad 110% diodes 110% / 120% 2000 / 1900Gm NOS (OB) metal - sealed in box
1 6SR7 $3.00 Ken-Rad 120% diodes 100% / 100% 2300 / 1900Gm NOS (OB) metal - damaged box
1 6SR7 $3.00 Ken-Rad 120% diodes 110% / 120% 2250 / 1900Gm NOS (OB) metal - sealed in box - damaged box
1 6SR7 $3.00 Delco 120% diodes 110% / 110% 2250 / 1900Gm NOS (OB) metal - sealed in box
1 6SR7 $3.00 Delco 130% diodes 110% / 110% 2400 / 1900Gm NOS (OB) metal - sealed in box
1 6SR7 $3.00 Delco 130% diodes 110% / 120% 2350 / 1900Gm NOS (OB) metal - sealed in box
1 6SR7 $3.00 Delco 120% diodes 110% / 110% 2250 / 1900Gm NOS (OB) metal - sealed in box
1 6SR7 / VT-233 $1.50 Ken-Rad 100% diodes 110% / 110% 1900 / 1900Gm used (rb) metal
1 6SR7 $1.50 Ken-Rad 120% diodes 120% / 110% 2200 / 1900Gm used (rb) metal
1 6SR7 $1.50 Cornell 120% diodes 120% / 100% 2250 / 1900Gm used (rb) metal
1 6SR7 $1.50 RCA Victor 100% diodes 110% / 110% 1900 / 1900Gm used (rb) metal
1 6SR7 $1.50 Tung-Sol 110% diodes 120% / 120% 1800 / 1900Gm used (rb) metal
1 6SR7 $1.50 Tung-Sol 95% diodes 110% / 100% 1800 / 1900Gm used (wb) metal
1 6SR7 $1.50 GM 100% diodes 120% / 110% 1950 / 1900Gm used (rb) metal
1 6SR7 $1.50 GM 130% diodes 110% / 110% 2200 / 1900Gm used (rb) metal
1 12SR7-GT $5.00 Tung-Sol 120% diodes 110% / 120% 2200 / 1900Gm NOS (OB) black base
1 12SR7-GT $5.00 Tung-Sol 120% diodes 110% / 120% 2400 / 1900Gm NOS (wb) black base
1 12SR7-GT $5.00 Tung-Sol 120% diodes 110% / 120% 2200 / 1900Gm NOS (wb) black base
1 12SR7-GT $5.00 Sylvania 130% diodes 110% / 120% 2400 / 1900Gm NOS (OB) black base - green lettering
1 12SR7-GT $2.50 Tung-Sol 100% diodes 100% / 120% 2000 / 1900Gm used (rb) black base
1 12SR7 / VT-133 $3.00 RCA 120% diodes 110% / 110% 2400 / 1900Gm NOS (OB) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 120% diodes 120% / 110% 2250 / 1900Gm NOS (OB) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 120% diodes 110% / 110% 2400 / 1900Gm NOS (OB) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 120% diodes 110% / 110% 2250 / 1900Gm NOS (OB) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 110% diodes 120% / 110% 1900 / 1900Gm NOS (OB) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 120% diodes 120% / 120% 2400 / 1900Gm NOS (OB) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 130% diodes 110% / 110% 2300 / 1900Gm NOS (OB) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 110% diodes 120% / 110% 2100 / 1900Gm NOS (OB) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 110% diodes 110% / 110% 1900 / 1900Gm NOS (OB) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 110% diodes 120% / 110% 2200 / 1900Gm NOS (OB) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 110% diodes 110% / 110% 1900 / 1900Gm NOS (wb) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 110% diodes 110% / 110% 1900 / 1900Gm NOS (wb) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 120% diodes 110% / 110% 1900 / 1900Gm NOS (wb) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 130% diodes 110% / 110% 2100 / 1900Gm NOS (wb) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 115% diodes 100% / 110% 1900 / 1900Gm NOS (wb) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 120% diodes 110% / 100% 2000 / 1900Gm NOS (wb) metal - US Army
1 12SR7 / VT-133 $3.00 RCA 130% diodes 100% / 100% 2250 / 1900Gm NOS (wb) metal - US Army
1 12SR7 $3.00 RCA 110% diodes 110% / 110% 2150 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 110% diodes 120% / 120% 2200 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 130% diodes 110% / 120% 2300 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 110% diodes 110% / 120% 2150 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 120% diodes 110% / 110% 2300 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 120% diodes 120% / 120% 2150 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 120% diodes 120% / 120% 2400 / 1900Gm NOS (OB) metal - US Navy - damaged box
1 12SR7 $3.00 RCA 120% diodes 120% / 110% 2250 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 110% diodes 120% / 120% 2100 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 110% diodes 110% / 110% 2150 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 120% diodes 110% / 110% 2300 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 120% diodes 110% / 110% 2250 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 110% diodes 110% / 100% 2000 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 110% diodes 110% / 110% 1900 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 110% diodes 100% / 110% 1900 / 1900Gm NOS (OB) metal - US Navy - damaged box
1 12SR7 $3.00 RCA 120% diodes 110% / 110% 2200 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 130% diodes 110% / 110% 2500 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 110% diodes 110% / 110% 2200 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 110% diodes 110% / 120% 2150 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 120% diodes 110% / 110% 2200 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 110% diodes 110% / 110% 2000 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 120% diodes 110% / 110% 2200 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 110% diodes 110% / 110% 2000 / 1900Gm NOS (OB) metal - US Navy - sealed in box
1 12SR7 $3.00 RCA 120% diodes 110% / 110% 1900 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 130% diodes 110% / 110% 2200 / 1900Gm NOS (OB) metal - US Navy
1 12SR7 $3.00 RCA 110% diodes 110% / 110% 2300 / 1900Gm NOS (OB) metal - silver lettering
1 12SR7 $3.00 Raytheon 120% diodes 100% / 110% 2250 / 1900Gm NOS (OB) metal
1 12SR7 $3.00 Raytheon 110% diodes 110% / 110% 2100 / 1900Gm NOS (OB) metal
1 12SR7 $3.00 Raytheon 120% diodes 110% / 110% 2200 / 1900Gm NOS (OB) metal
1 12SR7 $3.00 Raytheon 120% diodes 110% / 110% 2200 / 1900Gm NOS (OB) metal
1 12SR7 $3.00 Ken-Rad 120% diodes 110% / 110% 2100 / 1900Gm NOS (OB) metal - sealed in box - damaged box
1 12SR7 $3.00 National Union 130% diodes 120% / 110% 2200 / 1900Gm NOS (OB) metal
1 12SR7 $3.00 National Union 130% diodes 110% / 100% 2550 / 1900Gm NOS (OB) metal
1 12SR7 $3.00 National Union 120% diodes 110% / 110% 2400 / 1900Gm NOS (OB) metal
1 12SR7 $3.00 GE 130% diodes 110% / 110% 2000 / 1900Gm NOS (OB) metal - white lettering
1 12SR7 $3.00 GE 130% diodes 110% / 110% 2200 / 1900Gm NOS (OB) metal - white lettering
1 12SR7 $3.00 Sylvania 130% diodes 100% / 110% 2100 / 1900Gm NOS (OB) metal
1 12SR7 $3.00 Tung-Sol 110% diodes 110% / 110% 1900 / 1900Gm NOS (OB) metal
1 12SR7 / VT-133 $1.50 RCA 120% diodes 110% / 110% 2200 / 1900Gm used (rb) metal
1 12SR7 / VT-133 $1.50 RCA 110% diodes 110% / 110% 2200 / 1900Gm used (rb) metal
1 12SR7 / VT-133 $1.50 RCA 130% diodes 110% / 110% 2200 / 1900Gm used (rb) metal - US Army
1 12SR7 / VT-133 $1.50 RCA 110% diodes 120% / 110% 2000 / 1900Gm used (L) metal
1 12SR7 / VT-133 $1.50 Ken-Rad 130% diodes 100% / 100% 2500 / 1900Gm used (L) metal
1 12SR7 / VT-133 $1.50 RCA 110% diodes 110% / 110% 2000 / 1900Gm used (L) metal - US Amry
1 12SR7 / VT-133 $1.50 RCA 120% diodes 120% / 110% 2300 / 1900Gm used (L) metal
1 12SR7 / VT-133 $1.50 RCA 100% diodes 120% / 110% 2150 / 1900Gm used (L) metal - JAN
1 12SR7 / VT-133 $1.50 RCA 120% diodes 110% / 110% 2200 / 1900Gm used (L) metal - US Army
1 12SR7 / VT-133 $1.50 RCA 100% diodes 110% / 110% 2100 / 1900Gm used (L) metal - US Army
1 12SR7 / VT-133 $1.50 RCA 120% diodes 100% / 100% 2100 / 1900Gm used (L) metal - US Army
1 12SR7 / VT-133 $1.50 Ken-Rad 110% diodes 110% / 110% 2050 / 1900Gm used (L) metal - JAN
1 12SR7 / VT-133 $1.50 Ken-Rad 115% diodes 110% / 110% 2250 / 1900Gm used (L) metal - JAN
1 12SR7 / VT-133 $1.50 Ken-Rad 110% diodes 110% / 110% 2150 / 1900Gm used (L) metal
1 12SR7 / VT-133 $1.50 Ken-Rad 110% diodes 110% / 110% 2000 / 1900Gm used (rb) metal
1 12SR7 / VT-133 $1.50 Ken-Rad 120% diodes 100% / 110% 2150 / 1900Gm used (L) metal - JAN
1 12SR7 / VT-133 $1.50 Ken-Rad 140% diodes 100% / 100% 2400 / 1900Gm used (L) metal - JAN
1 12SR7 / VT-133 $1.50 Ken-Rad 130% diodes 110% / 110% 2150 / 1900Gm used (L) metal
1 12SR7 $1.50 RCA 120% diodes 120% / 110% 2000 / 1900Gm used (rb) metal - US Navy
1 12SR7 $1.50 RCA 120% diodes 120% / 120% 2200 / 1900Gm used (rb) metal - US Army
1 12SR7 $1.50 National Union 100% diodes 110% / 110% 1950 / 1900Gm used (rb) metal
1 12SR7 $1.50 RCA 110% diodes 110% / 110% 2100 / 1900Gm used (L) metal - US Navy
1 12SR7 $1.50 RCA 120% diodes 110% / 120% 2600 / 1900Gm used (L) metal - US Navy
1 12SR7 $1.50 RCA 120% diodes 110% / 110% 2300 / 1900Gm used (L) metal - US Navy
1 12SR7 $1.50 RCA 100% diodes 120% / 110% 1950 / 1900Gm used (L) metal - US Navy
1 12SR7 $1.50 RCA 110% diodes 110% / 120% 2000 / 1900Gm used (L) metal - silver lettering
1 12SR7 $1.50 Ken-Rad 130% diodes 110% / 110% 2250 / 1900Gm used (L) metal
1 12SR7 $1.50 Raytheon 100% diodes 90% / 100% 1700 / 1900Gm used (L) metal
1 12SR7 $1.50 Ken-Rad 120% diodes 100% / 100% 2000 / 1900Gm used (L) metal
1 12SR7 $1.50 RCA 130% diodes 100% / 100% 2150 / 1900Gm used (L) metal - US Navy
1 12SR7 $1.50 RCA 110% diodes 110% / 110% 1900 / 1900Gm used (L) metal
1 12SR7 $1.50 GE 130% diodes 110% / 110% 2300 / 1900Gm used (L) metal - white lettering
1 12SR7 / VT-133 $0.50 RCA 110% diodes 110% / 110% 2000 / 1900Gm used (L) metal - US Army - minor rust on tube
1 12SW7 $2.50 RCA 150% diodes 120% / 120% 2900 / 1900Gm used (rb) metal - silver lettering - 12SR7 tube marked as 12SW7
1 12SW7 $2.50 RCA 130% diodes 120% / 140% 1900 / 1900Gm used (rb) metal - silver lettering - 12SR7 tube marked as 12SW7
1 12SW7 $2.50 RCA 130% diodes 120% / 120% 2100 / 1900Gm used (rb) metal - silver lettering - 12SR7 tube marked as 12SW7
1 6SV7 $2.50 Sylvania 130% diode 110% 2800 / 2100Gm NOS (OB) metal - green lettering
1 6SV7 $2.50 Sylvania 130% diode 110% 2600 / 2100Gm NOS (OB) metal - green lettering
1 6SV7 $2.50 Sylvania 120% diode 110% 2700 / 2100Gm NOS (OB) metal - green lettering
1 6SV7 $2.50 Ken-Rad 140% diode 110% 2800 / 2100Gm NOS (OB) metal
1 6SV7 $2.50 Ken-Rad 120% diode 110% 2800 / 2100Gm NOS (OB) metal
1 6SV7 $2.50 Ken-Rad 140% diode 110% 2800 / 2100Gm NOS (OB) metal
1 6SV7 $2.50 National Union 130% diode 110% 2800 / 2100Gm NOS (OB) metal
1 6SV7 $2.50 GE 140% diode 110% 2700 / 2100Gm NOS (OB) metal
1 6SV7 $0.50 GE 50% diode 50% 1200 / 2100Gm used (rb) metal - white lettering
1 6SZ7 $2.50 RCA 110% diodes 120% / 110% 1200 / 1200Gm NOS (OB) metal - silver lettering
1 6SZ7 $2.50 RCA 110% diodes 110% / 110% 1200 / 1200Gm NOS (OB) metal - silver lettering
1 12SY7 $5.00 RCA 130% / 120% 1100 / 750: 1200 / 750Gm used (wb) metal - silver lettering - JAN
1 12SY7 $5.00 RCA 120% / 130% 950 / 750: 1100 / 750Gm used (wb) metal - silver lettering - JAN

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