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
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1 | CV1981 | $40.00 | Mullard - Amerty | 120% | 2650 / 2000Gm | used (wb) | metal - red tube - Made in USA (special 6SK7) |
1 | CV1981 | $40.00 | Mullard - Amerty | 130% | 2500 / 2000Gm | used (wb) | metal - red tube - Made in USA (special 6SK7) |
1 | CV1981 | $40.00 | Mullard - Amerty | 130% | 2750 / 2000Gm | used (wb) | metal - red tube - Made in USA (special 6SK7) |
1 | CV1981 | $40.00 | Mullard - Amerty | 120% | 2500 / 2000Gm | used (wb) | metal - red tube - Made in USA (special 6SK7) |
1 | CV1981 | $40.00 | Mullard - Amerty | 120% | 2650 / 2000Gm | used (wb) | metal - red tube - Made in USA (special 6SK7) |
1 | 6137 / 6SK7 | $8.00 | GE | 130% | 2600 / 2000Gm | used (wb) | metal tube |
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1 | 6SK7-WA | $7.50 | GE | 120% | 2400 / 2000Gm | NOS (wb) | metal - brown base |
1 | 6SK7-WA | $7.50 | GE | 110% | 2450 / 2000Gm | NOS (wb) | metal - brown base |
1 | 6SK7-WA | $7.50 | GE | 120% | 2350 / 2000Gm | NOS (wb) | metal - JAN - brown base |
1 | 6SK7-WA | $7.50 | GE | 120% | 2300 / 2000Gm | NOS (wb) | metal - JAN - brown base |
1 | 6SK7-WA | $7.50 | GE | 120% | 2400 / 2000Gm | NOS (wb) | metal - JAN - brown base |
1 | 6SK7 | $5.00 | National Union | 110% | 2200 / 2000Gm | NOS (wb) | metal |
1 | 6SK7 | $5.00 | National Union | 120% | 2400 / 2000Gm | NOS (OB) | metal |
1 | 6SK7 | $5.00 | CBS / Hytron | 120% | 2400 / 2000Gm | NOS (OB) | metal |
1 | 6SK7 | $5.00 | CBS | 120% | 2400 / 2000Gm | NOS (OB) | metal |
1 | 6SK7 | $5.00 | Tubg-Sol | 110% | 2200 / 2000Gm | NOS (OB) | metal |
1 | 6SK7 | $5.00 | Westinghouse | 120% | 2500 / 2000Gm | NOS (OB) | metal |
1 | 6SK7 | $5.00 | Realistic | 120% | 2500 / 2000Gm | NOS (OB) | metal |
1 | 6SK7 | $5.00 | Emerson | 120% | 2250 / 2000Gm | NOS (OB) | metal |
1 | 6SK7 | $5.00 | Marconi | 110% | 2200 / 2000Gm | NOS (OB) | metal |
1 | 6SK7 | $5.00 | Philco | 120% | 2600 / 2000Gm | NOS (OB) | metal |
1 | 6SK7 | $5.00 | unknown | 120% | 2600 / 2000Gm | NOS (OB) | metal - selaed in box |
1 | 6SK7-GTY | $7.50 | Sylvania | 120% | 2400 / 2000Gm | NOS (wb) | metal base band - brown base |
1 | 6SK7-GTY | $7.50 | Sylvania | 120% | 2400 / 2000Gm | NOS (OB) | metal base band - brown base |
1 | 6SK7-GT / VT-117A | $6.00 | National Union | 120% | 2600 / 2000Gm | NOS (OB) | metal base band - JAN |
1 | 6SK7-GT / VT-117A | $6.00 | National Union | 120% | 2400 / 2000Gm | NOS (OB) | metal base band - JAN |
1 | 6SK7-GT / VT-117A | $6.00 | National Union | 110% | 2300 / 2000Gm | NOS (OB) | metal base band - JAN |
1 | 6SK7-GT / VT-117A | $6.00 | Tung-Sol | 120% | 2350 / 2000Gm | NOS (OB) | metal base band - JAN |
1 | 6SK7-GT / VT-117A | $6.00 | Tung-Sol | 130% | 2550 / 2000Gm | NOS (OB) | metal base band - JAN |
1 | 6SK7-GT / VT-117A | $6.00 | Tung-Sol | 120% | 2450 / 2000Gm | NOS (OB) | metal base band - JAN |
1 | 6SK7-GT | $5.00 | CBS | 120% | 2400 / 2000Gm | NOS (OB) | metal base band |
1 | 6SK7-GT | $5.00 | CBS | 130% | 2500 / 2000Gm | NOS (OB) | metal base band |
1 | 6SK7-GT | $5.00 | CBS / Hytron | 110% | 2400 / 2000Gm | NOS (OB) | metal base band - missing box flap |
1 | 6SK7-GT | $5.00 | RCA | 120% | 2500 / 2000Gm | NOS (OB) | metal base band - red lettering |
1 | 6SK7-GT | $5.00 | Philco | 140% | 2450 / 2000Gm | NOS (OB) | metal base band |
1 | 6SK7-GT | $5.00 | National Union | 110% | 2400 / 2000Gm | NOS (OB) | metal base band |
1 | 6SK7-GT | $5.00 | Sylvania | 110% | 2300 / 2000Gm | NOS (OB) | metal base band - green lettering - damaged box |
1 | 6SK7-GT | $5.00 | Sylvania | 120% | 2400 / 2000Gm | NOS (OB) | metal base band - green lettering |
1 | 6SK7-GT | $5.00 | Sylvania | untested | sealed in box | NOS (OB) | sealed in box |
1 | 6SK7WA | $5.00 | GE | 120% | 2500 / 2000Gm | used (wb) | metal - brown base - JAN |
1 | 6SK7WA | $5.00 | GE | 100% | 1900 / 2000Gm | used (rb) | metal - brown base - JAN |
1 | 6SK7WA | $5.00 | GE | 130% | 2500 / 2000Gm | used (rb) | metal - brown base - JAN |
1 | 6SK7 / VT-117 | $3.00 | RCA | 110% | 1800 / 2000Gm | used (rb) | metal - silver lettering |
1 | 6SK7 / VT-117 | $3.00 | RCA | 110% | 2000 / 2000Gm | used (rb) | metal - silver lettering - JAN |
1 | 6SK7 / VT-117 | $3.00 | RCA | 110% | 2250 / 2000Gm | used (rb) | metal - silver lettering - JAN |
1 | 6SK7 / VT-117 | $3.00 | RCA | 100% | 2000 / 2000Gm | used (wb) | metal - silver lettering - US Army |
1 | 6SK7 / VT-117 | $3.00 | Ken-Rad | 110% | 2400 / 2000Gm | used (rb) | metal - silver lettering |
1 | 6SK7 | $2.00 | Ken-Rad | 100% | 1900 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Ken-Rad | 110% | 2300 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Ken-Rad | 130% | 2550 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | GM | 120% | 2500 / 2000Gm | used (rb) | metal - white lettering |
1 | 6SK7 | $2.00 | GE | 100% | 1950 / 2000Gm | used (rb) | metal - white lettering |
1 | 6SK7 | $2.00 | GE | 110% | 2250 / 2000Gm | used (rb) | metal - white lettering |
1 | 6SK7 | $2.00 | RCA | 100% | 1900 / 2000Gm | used (rb) | metal - silver lettering |
1 | 6SK7 | $2.00 | RCA | 100% | 2200 / 2000Gm | used (rb) | metal - silver lettering |
1 | 6SK7 | $2.00 | Delta | 100% | 2100 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Delta | 120% | 2400 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Delta | 110% | 2250 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Sylvania | 110% | 2400 / 2000Gm | used (rb) | metal - yellow lettering |
1 | 6SK7 | $2.00 | Sylvania | 120% | 2400 / 2000Gm | used (rb) | metal - yellow lettering |
1 | 6SK7 | $2.00 | GE | 100% | 1800 / 2000Gm | used (rb) | metal - white lettering |
1 | 6SK7 | $2.00 | GE | 115% | 2250 / 2000Gm | used (rb) | metal - white lettering |
1 | 6SK7 | $2.00 | GE | 140% | 2200 / 2000Gm | used (rb) | metal - white lettering |
1 | 6SK7 | $2.00 | GE | 120% | 2400 / 2000Gm | used (rb) | metal - white lettering |
1 | 6SK7 | $2.00 | RCA | 110% | 2300 / 2000Gm | used (rb) | metal - silver lettering |
1 | 6SK7 | $2.00 | RCA | 115% | 2150 / 2000Gm | used (rb) | metal - silver lettering |
1 | 6SK7 | $2.00 | RCA | 120% | 2400 / 2000Gm | used (rb) | metal - silver lettering |
1 | 6SK7 | $2.00 | RCA | 100% | 1800 / 2000Gm | used (rb) | metal - silver lettering |
1 | 6SK7 | $2.00 | RCA | 100% | 2200 / 2000Gm | used (rb) | metal - silver lettering |
1 | 6SK7 | $2.00 | RCA | 120% | 2500 / 2000Gm | used (rb) | metal - red lettering |
1 | 6SK7 | $2.00 | RCA Victor | 100% | 1900 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Tung-Sol | 110% | 2300 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Sylvania | 130% | 2500 / 2000Gm | used (rb) | metal - green lettering |
1 | 6SK7 | $2.00 | Sylvania | 120% | 2400 / 2000Gm | used (rb) | metal - yellow lettering |
1 | 6SK7 | $2.00 | Sylvania | 100% | 1800 / 2000Gm | used (rb) | metal - yellow lettering |
1 | 6SK7 | $2.00 | Ken-Rad | 130% | 2300 / 2000Gm | used (wb) | metal |
1 | 6SK7 | $2.00 | Ken-Rad | 100% | 2000 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Ken-Rad | 100% | 2300 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Crosley by Ken-Rad | 130% | 2400 / 2000Gm | used (wb) | metal |
1 | 6SK7 | $2.00 | Wizard | 120% | 2400 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | GM | 120% | 2300 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | GM | 120% | 2400 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Raytheon | 105% | 2000 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Raytheon | 100% | 2000 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Wards Super Airline | 100% | 1700 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Delco | 110% | 2250 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | Delco | 100% | 1800 / 2000Gm | used (rb) | metal |
1 | 6SK7 | $2.00 | RCA | 105% | 1500 / 2000Gm | used (rb) | metal - silver lettering |
1 | 6SK7-GT / VT-117A | $3.00 | Sylvania | 110% | 2000 / 2000Gm | used (rb) | metal base band - black lettering - JAN |
1 | 6SK7-GT / VT-117A | $3.00 | Zenith | 110% | 2100 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT / VT-117A | $3.00 | National Union | 100% | 1900 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | Tung-Sol | 100% | 1800 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | National Union | 130% | 2250 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | GE | 100% | 2000 / 2000Gm | used (rb) | metal base band - red lettering |
1 | 6SK7-GT | $2.00 | GE | 130% | 2300 / 2000Gm | used (rb) | metal base band - red lettering |
1 | 6SK7-GT | $2.00 | GE | 100% | 1900 / 2000Gm | used (rb) | metal base band - red lettering |
1 | 6SK7-GT | $2.00 | Raytheon | 120% | 2400 / 2000Gm | used (rb) | metal base band - red lettering |
1 | 6SK7-GT | $2.00 | GM | 120% | 2200 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | GM | 120% | 2100 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | GM | 110% | 2100 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | Sylvania | 100% | 2000 / 2000Gm | used (rb) | metal base band - black lettering |
1 | 6SK7-GT | $2.00 | Sylvania | 110% | 2100 / 2000Gm | used (rb) | metal base band - green lettering |
1 | 6SK7-GT | $2.00 | Sylvania | 110% | 2200 / 2000Gm | used (rb) | metal base band - black lettering |
1 | 6SK7-GT | $2.00 | Sylvania | 140% | 2500 / 2000Gm | used (rb) | metal base band - black lettering |
1 | 6SK7-GT | $2.00 | Philco | 120% | 2300 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | Detrola | 110% | 2300 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | Detrola | 120% | 2300 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | Tung-Sol | 120% | 2200 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | Zenith | 130% | 2100 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | Zenith | 105% | 2100 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | Ken-Rad | 110% | 2500 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | Micro | 100% | 2100 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | Wizard | 120% | 2200 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | Radiocoin | 110% | 2200 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | FoMoCo | 100% | 2300 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | FoMoCo | 120% | 2000 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | FoMoCo | 130% | 2400 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | FmMoCo | 100% | 2100 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | FmCo | 130% | 2500 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | FmCo | 120% | 2400 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | FmCo | 130% | 2500 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | unknown | 140% | 3000 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $2.00 | unknown | 130% | 2600 / 2000Gm | used (rb) | metal base band |
1 | 6SK7-GT | $1.00 | National Union | 110% | 2250 / 2000Gm | NOS (OB) | metal base band - base band is split |
1 | 6SK7-GT | $1.00 | National Union | 120% | 2300 / 2000Gm | NOS (OB) | metal base band - base band is split |
1 | 6SK7-GT | $1.00 | National Union | 120% | 2600 / 2000Gm | NOS (OB) | metal base band - base band is split |
1 | 6SK7-GT | $1.00 | Sylvania | 100% | 2100 / 2000Gm | used (rb) | metal base band - base band is split - black 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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and
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