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 0Z4G $5.00 RCA 130% / 130% --- NOS (OB) glass - red lettering - missing box flap (xr-31)
1 0Z4G $5.00 RCA 130% / 130% --- NOS (OB) glass - red lettering - missing box flap (xr-31)
1 0Z4A / 1003 $3.00 Raytheon 120% / 120% --- NOS (OB) metal (xr-31)
1 0Z4A $3.00 RCA 130% / 130% --- NOS (OB) metal - aluminum (xr-31) - red lettering
1 0Z4A $3.00 RCA 130% / 130% --- NOS (OB) metal - aluminum (xr-31) - red lettering
1 0Z4A $3.00 GE 130% / 130% --- NOS (OB) metal (xr-31) - white lettering
1 0Z4A $3.00 GE 130% / 130% --- NOS (OB) metal (xr-31) - white lettering
1 0Z4A $3.00 GE 130% / 130% --- NOS (OB) metal (xr-31) - white lettering
1 0Z4A $3.00 GE 130% / 130% --- NOS (OB) metal (xr-31) - white lettering
1 0Z4A $3.00 Sylvania 130% / 130% --- NOS (OB) metal - aluminum (xr-31) - yellow lettering
1 0Z4A $3.00 Viking 130% / 130% --- NOS (OB) metal (xr-31)
1 0Z4 $3.00 Tung-Sol 130% / 130% --- NOS (OB) metal (xr-31)
1 0Z4 $3.00 Tung-Sol 130% / 130% --- NOS (OB) metal (xr-31)
1 0Z4 $3.00 Tung-Sol 130% / 130% --- NOS (OB) metal - aluminum (xr-31)
1 0Z4 $3.00 RCA 120% / 120% --- NOS (OB) metal - aluminum (xr-31) - red lettering
1 0Z4 $3.00 RCA 130% / 130% --- NOS (OB) metal - aluminum (xr-31) - red lettering
1 0Z4 $3.00 RCA 130% / 130% --- NOS (OB) metal - aluminum (xr-31) - red lettering
1 0Z4 $3.00 RCA 130% / 130% --- NOS (OB) metal - aluminum (xr-31) - red lettering
1 0Z4 $3.00 RCA 120% / 120% --- NOS (OB) metal - aluminum (xr-31) - red lettering
1 0Z4 $3.00 RCA 130% / 130% --- NOS (OB) metal - aluminum (xr-31) - red lettering
1 0Z4 $3.00 RCA 120% / 120% --- NOS (OB) metal - aluminum (xr-31) - red lettering
1 0Z4 $3.00 RCA 130% / 130% --- NOS (OB) metal (xr-31) - silver lettering
1 0Z4 $3.00 RCA 130% / 130% --- NOS (OB) metal (xr-31) - silver lettering
1 0Z4 $3.00 RCA 120% / 120% --- NOS (OB) metal (xr-31) - silver lettering
1 0Z4 $3.00 GE 130% / 130% --- NOS (OB) metal - aluminum (xr-31) - white lettering
1 0Z4 $3.00 GE 120% / 120% --- NOS (OB) metal - aluminum (xr-31) - white lettering
1 0Z4 $3.00 GE 130% / 130% --- NOS (OB) metal - aluminum (xr-31) - white lettering
1 0Z4 $3.00 GE 130% / 130% --- NOS (OB) metal - aluminum (xr-31) - white lettering
1 0Z4 $3.00 GE 130% / 130% --- NOS (OB) metal - aluminum (xr-31) - red lettering
1 0Z4 $3.00 Sylvania 120% / 120% --- NOS (OB) metal (xr-31) - yellow lettering
1 0Z4 $3.00 Sylvania 130% / 130% --- NOS (OB) metal - aluminum (xr-31) - yellow lettering
1 0Z4 $3.00 Raytheon 130% / 130% --- NOS (OB) metal - aluminum (xr-31)
1 0Z4 $3.00 Raytheon 130% / 130% --- NOS (OB) metal - aluminum (xr-31)
1 0Z4 $3.00 Raytheon 110% / 110% --- NOS (OB) metal - aluminum (xr-31)
1 0Z4 $3.00 Raytheon 120% / 120% --- NOS (OB) metal (xr-31)
1 0Z4 $3.00 Raytheon 130% / 130% --- NOS (OB) metal (xr-31)
1 0Z4 $3.00 CBS 130% / 130% --- NOS (OB) metal (xr-31)
1 0Z4 $3.00 CBS 130% / 130% --- NOS (OB) metal (xr-31)
1 0Z4 $3.00 Zenith 120% / 120% --- NOS (OB) metal - aluminum (xr-31)
1 0Z4 $3.00 Zenith 130% / 130% --- NOS (wb) metal - aluminum (xr-31)
1 0Z4A $1.00 RCA 130% / 130% --- used (OB) metal - aluminum (xr-31) - red lettering
1 0Z4 $1.00 Raytheon 130% / 130% --- used (OB) metal (xr-31)
1 0Z4 $3.00 Delco 120% / 120% --- used (rb) metal (xr-31)
1 1005 / VT-195 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31)
1 1005 / VT-195 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31)
1 1005 / VT-195 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31)
1 1005 / VT-195 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31)
1 1005 / VT-195 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31)
1 1005 / VT-195 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31)
1 1005 / VT-195 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31)
1 1005 / VT-195 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - US Army (xr-31)
1 1005 / VT-195 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31) - sealed in box
1 1005 / VT-195 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31) - sealed in box
1 1005 / VT-195 $3.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31) - water damaged box - minor rust on tube
1 1005 / VT-195 $3.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31) - minor rust on tube
1 1005 / VT-195 $2.00 Raytheon 120% / 120% --- used (rb) metal (xr-31)
1 1005 / VT-195 $2.00 Raytheon 120% / 120% --- used (rb) metal (xr-31) - JAN - minor rust on tube
1 1007 $5.00 Raytheon 120% / 130% --- NOS (OB) metal - JAN (xr-31)
1 1007 $5.00 Raytheon 120% / 130% --- NOS (OB) metal - JAN (xr-31)
1 1007 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31)
1 1007 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31)
1 1007 $5.00 Raytheon 120% / 120% --- NOS (OB) metal - JAN (xr-31) torn box flap
1 1007 $5.00 Raytheon 140% / 140% --- NOS (OB) metal - JAN (xr-31)
1 1007 $5.00 Raytheon 110% / 110% --- NOS (OB) metal - JAN (xr-31)
1 1007 $5.00 Raytheon 110% / 110% --- NOS (OB) metal - JAN (xr-31)
1 1007 $2.00 Raytheon 140% / 140% --- used (wb) metal - JAN (xr-31)

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