MDB Ventures Preoctal Radio Vacuum 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 Preoctal Tubes
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 80-GT $18.00 RCA 110% / 110% --- GT - NOS (wb) cat:312-204
1 80-GT $18.00 GE 110% / 120% --- GT - NOS (wb) ---
1 80-GT $18.00 GE 120% / 120% --- GT - NOS (wb) ---
1 80-GT $18.00 Tung-Sol 115% / 110% --- GT - NOS (ob) box flap missing
1 80-GT $18.00 Sylvania 115% / 115% --- GT - NOS (wb) cat:403-311
1 80-GT $18.00 Westinghouse 115% / 115% --- GT - NOS (wb) ---
1 80-GT $10.00 GE 135% / 140% --- GT - used (L) cat:402-83
1 80-GT $10.00 Tung-Sol 115% / 110% --- GT - used (L) ---
1 80-GT $10.00 Raytheon 110% / 110% --- GT - used (L) ---
1 80-GT $10.00 Tung-Sol 105% / 115% --- GT - used (L) cat:402-101
1 80-GT $5.00 RCA 80% / 80% --- GT - used (L) cat:312-211
1 80 / VT-80 $28.00 Sylvania 110% / 110% --- ST - NOS (wb) JAN
1 80 $28.00 National Union 110% / 110% --- ST - NOS (OB) bayonet pin on base
1 80 $28.00 National Union 120% / 120% --- ST - NOS (OB) bayonet pin on base
1 80 $28.00 National Union 130% / 130% --- ST - NOS (wb) large bottle
1 80 $26.00 Sylvania 110% / 110% --- ST - NOS (wb) ---
1 80 $26.00 Sylvania 115% / 115% --- ST - NOS (wb) ---
1 80 $26.00 Sylvania 120% / 120% --- ST - NOS (wb) ---
1 80 $26.00 Sylvania 120% / 125% --- ST - NOS (wb) ---
1 80 $26.00 Sylvania 120% / 120% --- ST - NOS (OB) ---
1 80 $26.00 Sylvania 115% / 115% --- ST - NOS (OB) ---
1 80 $26.00 Troy 110% / 110% --- ST - NOS (wb) ribbed plate
1 80 $26.00 National Union 110% / 110% --- ST - NOS (wb) ---
1 80 $26.00 National Union 110% / 110% --- ST - NOS (wb) ribbed plate
1 80 $26.00 National Union 100% / 100% --- ST - NOS (OB) ---
1 80 $26.00 National Union 110% / 110% --- ST - NOS (wb) ---
1 80 $26.00 National Union 110% / 110% --- ST - NOS (wb) ---
1 80 $26.00 National Union 115% / 115% --- ST - NOS (wb) ---
1 80 $26.00 National Union 120% / 120% --- ST - NOS (wb) ---
1 80 $26.00 Delco 115% / 115% --- ST - NOS (wb) ---
1 80 $26.00 Raytheon 110% / 120% --- ST - NOS (wb) ---
1 80 $26.00 Zenith 110% / 110% --- ST - NOS (wb) ---
1 80 $26.00 Raytheon 120% / 120% --- ST - NOS (wb) JAN
1 80 $26.00 Silvertone 120% / 110% --- ST - NOS (wb) ---
1 80 $26.00 Philco 110% / 110% --- ST - NOS (wb) ---
1 80 $18.00 Philco 105% / 105% --- ST - used (wb) engraved base
1 80 $18.00 Sylvania 110% / 110% --- ST - used (L) engraved base (pl)
1 80 / VT-80 $18.00 Ken-Rad 110% / 110% --- ST - used (L) JAN
1 80 / VT-80 $18.00 Sylvania 110% / 115% --- ST - used (L) JAN
1 80 $15.00 GE 115% / 120% --- ST - used (wb) ---
1 80 $15.00 Sylvania 120% / 120% --- ST - used (wb) ---
1 80 $15.00 Sylvania 120% / 115% --- ST - used (wb) ---
1 80 $15.00 Philco 110% / 110% --- ST - used (rb) ---
1 80 $15.00 RCA / Cunningham 100% / 100% --- ST - used (wb) ---
1 80 $15.00 Raytheon 125% / 120% --- ST - used (rb) ---
1 80 $15.00 Raytheon 125% / 115% --- ST - used (rb) ---
1 80 $15.00 Sylvania 120% / 115% --- ST - used (L) ---
1 80 $15.00 Sylvania 115% / 115% --- ST - used (L) ---
1 80 $15.00 Sylvania 110% / 120% --- ST - used (L) ---
1 80 $15.00 Sylvania 120% / 120% --- ST - used (L) ---
1 80 $15.00 Sylvania 120% / 120% --- ST - used (L) ---
1 80 $15.00 Sylvania 110% / 120% --- ST - used (L) ---
1 80 $15.00 Sylvania 120% / 120% --- ST - used (L) ---
1 80 $15.00 Sylvania 110% / 110% --- ST - used (L) ---
1 80 $12.00 Sylvania 105% / 110% --- ST - used (L) ---
1 80 $15.00 Sylvania 115% / 110% --- ST - used (L) ---
1 80 $15.00 Sylvania 110% / 100% --- ST - used (L) ---
1 80 $15.00 Raytheon 115% / 115% --- ST - used (L) ---
1 80 $15.00 Raytheon 115% / 115% --- ST - used (L) ---
1 80 $15.00 Raytheon 115% / 110% --- ST - used (L) ---
1 80 $15.00 Raytheon 110% / 110% --- ST - used (L) ---
1 80 $15.00 Raytheon 110% / 110% --- ST - used (L) ---
1 80 $15.00 Raytheon 110% / 110% --- ST - used (L) ---
1 80 $15.00 Delco 120% / 120% --- ST - used (L) ---
1 80 $15.00 Tung-Sol 110% / 110% --- ST - used (L) ---
1 80 $15.00 Tung-Sol 110% / 110% --- ST - used (L) ---
1 80 $15.00 RCA 110% / 110% --- ST - used (L) ---
1 80 $15.00 RCA 110% / 115% --- ST - used (L) ---
1 80 $15.00 Philco 110% / 120% --- ST - used (L) ---
1 80 $15.00 Philco 115% / 120% --- ST - used (L) ---
1 80 $15.00 Philco 120% / 110% --- ST - used (L) ---
1 80 $15.00 Philco 115% / 110% --- ST - used (L) ---
1 80 $15.00 National Union 115% / 115% --- ST - used (L) ---
1 80 $15.00 National Union 110% / 115% --- ST - used (L) ---
1 80 $15.00 National Union 110% / 110% --- ST - used (L) ---
1 80 $15.00 Silvertone 120% / 110% --- ST - used (L) ---
1 80 $15.00 Wards Airline 115% / 115% --- ST - used (L) ---
1 80 $15.00 Continential 115% / 120% --- ST - used (L) ---
1 80 $15.00 GE 120% / 120% --- ST - used (L) ---
1 80 $15.00 Zenith 110% / 110% --- ST - used (L) ---
1 80 $12.00 GE 100% / 100% --- ST - used (wb) ---
1 80 $12.00 RCA 105% / 100% --- ST - used (wb) ---
1 80 $12.00 Raytheon 100% / 100% --- ST - used (rb) ---
1 80 $10.00 Sylvania 110% / 110% --- ST - used (L) particles inside

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, 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 preoctal 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