MDB Ventures Preoctal Radio Vacuum Tubes


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Type: 80 , VT-80 ( Used )

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 $20.00 Raytheon 90% / 90% --- ST - used (wb) engraved base - four pillar tube - no label
1 80 $20.00 Raytheon 85% / 90% --- ST - used (wb) engraved base - four pillar tube - no label
1 80 $18.00 Raytheon 75% / 80% --- ST - used (wb) engraved base - four pillar tube - no label
1 80 / VT-80 $18.00 Sylvania 110% / 105% --- ST - used (L) JAN
1 80 / VT-80 $18.00 Sylvania 115% / 105% --- ST - used (L) JAN
1 80 $15.00 Sylvania 100% / 100% --- ST - used (L) engraved base
1 80 $15.00 National Union 105% / 105% --- ST - used (L) engraved base - ribbed plate
1 80 $15.00 Sylvania 105% / 115% --- ST - used (L) ---
1 80 $15.00 Tung-Sol 115% / 105% --- ST - used (L) ---
1 80 $15.00 GE 105% / 105% --- ST - used (L) ribbed plate
1 80 $15.00 Raytheon 110% / 105% --- ST - used (L) ribbed plate
1 80 $15.00 RCA 110% / 105% --- ST - used (L) ---
1 80 $15.00 RCA 105% / 105% --- ST - used (L) ---
1 80 $15.00 RCA 110% / 105% --- ST - used (L) ---
1 80 $15.00 Ceco 115% / 105% --- ST - used (L) ---
1 80 $15.00 Hytron 110% / 105% --- ST - used (L) ---
1 80 $12.00 Sylvania 100% / 100% --- ST - used (L) ---
1 80 $12.00 Sylvania 110% / 100% --- ST - used (L) ---
1 80 $12.00 Sylvania 100% / 100% --- ST - used (L) ---
1 80 $12.00 Sylvania 100% / 100% --- ST - used (L) ---
1 80 $12.00 National Union 100% / 100% --- ST - used (L) ---
1 80 $12.00 GE 100% / 100% --- ST - used (L) ribbed plate
1 80 $12.00 GE 100% / 100% --- ST - used (L) ---
1 80 $12.00 Raytheon 105% / 100% --- ST - used (L) ---
1 80 $12.00 RCA Victor 100% / 100% --- ST - used (L) ---
1 80 $12.00 Radiocoin 100% / 100% --- ST - used (L) ---
1 80 $12.00 Cunningham 100% / 100% --- ST - used (L) ---
1 80 $12.00 Ken-Rad 100% / 100% --- ST - used (L) ---
1 80 $12.00 Wards Airline 105% / 100% --- ST - used (L) ---
1 80 $12.00 unknown 105% / 100% --- ST - used (L) ---
1 80 $10.00 National Union 95% / 95% --- ST - used (L) engraved base - ribbed plate
1 80 $10.00 Sylvania 90% / 95% --- ST - used (L) engraved base
1 80 $10.00 Sylvania 90% / 90% --- ST - used (L) engraved base
1 80 $10.00 Sylvania 105% / 95% --- ST - used (L) ---
1 80 $10.00 Sylvania 90% / 90% --- ST - used (L) ---
1 80 $10.00 Sylvania 90% / 90% --- ST - used (L) ---
1 80 $10.00 Sylvania 90% / 90% --- ST - used (L) ---
1 80 $10.00 Philco 90% / 90% --- ST - used (L) engraved base
1 80 $10.00 Philco 90% / 100% --- ST - used (L) engraved base
1 80 $10.00 Greylock 90% / 100% --- ST - used (L)
1 80 $10.00 Triad 90% / 95% --- ST - used (L) engraved base
1 80 $10.00 RCA 90% / 90% --- ST - used (L) ---
1 80 $10.00 RCA 90% / 90% --- ST - used (L) ---
1 80 $10.00 RCA 100% / 95% --- ST - used (L) ---
1 80 $10.00 RCA Victor 90% / 95% --- ST - used (L) ---
1 80 $10.00 RCA Victor 95% / 95% --- ST - used (L) ---
1 80 $10.00 RCA Radiotron 95% / 90% --- ST - used (L) ---
1 80 $10.00 RCA Radiotron 95% / 100% --- ST - used (L) ---
1 80 $10.00 RCA / Cunningham 90% / 90% --- ST - used (L) engraved base
1 80 $10.00 RCA / Cunningham 90% / 95% --- ST - used (L) engraved base
1 80 $10.00 Hytron 90% / 90% --- ST - used (L) engraved base
1 80 $10.00 Tung-Sol 95% / 90% --- ST - used (L) engraved base - particles inside
1 80 $10.00 Tung-Sol 90% / 90% --- ST - used (L) ---
1 80 $10.00 Tung-Sol 100% / 90% --- ST - used (L) ---
1 80 $10.00 Tung-Sol 100% / 90% --- ST - used (L) ---
1 80 $10.00 unknown 100% / 90% --- ST - used (L) ---
1 80 $10.00 Ken-Rad 90% / 90% --- ST - used (L) ---
1 80 $10.00 Raytheon 90% / 90% --- ST - used (L) engraved base
1 80 $10.00 Raytheon 100% / 90% --- ST - used (L) JAN
1 80 $10.00 Raytheon 95% / 100% --- ST - used (L) ---
1 80 $10.00 Cunningham 90% / 90% --- ST - used (L) ---
1 80 $10.00 Cunningham 90% / 90% --- ST - used (L) ---
1 80 $10.00 Cunningham 95% / 90% --- ST - used (L) ---
1 80 $10.00 GE 95% / 95% --- ST - used (L) ---
1 80 $10.00 Wards Super Airline 95% / 90% --- ST - used (L) ---
1 80 / VT-80 $6.00 RCA 80% / 80% --- ST - used (L) JAN
1 80 / VT-80 $6.00 Ken-Rad 90% / 80% --- ST - used (L) ---
1 80 $6.00 Tung-Sol 80% / 90% --- ST - used (L) ---
1 80 $6.00 Tung-Sol 80% / 80% --- ST - used (L) ---
1 80 $6.00 Philco 80% / 80% --- ST - used (L) engraved base
1 80 $6.00 Philco 85% / 80% --- ST - used (L) engraved base - cat:402-341
1 80 $6.00 Philco 80% / 80% --- ST - used (L) ---
1 80 $6.00 RCA / Cunningham 85% / 85% --- ST - used (L) engraved base
1 80 $6.00 RCA Victor 85% / 80% --- ST - used (L) ---
1 80 $6.00 GE 80% / 80% --- ST - used (L) ---
1 80 $6.00 GE 80% / 85% --- ST - used (L) particles inside
1 80 $6.00 Delco 80% / 85% --- ST - used (L) cat:312-163
1 80 $6.00 Cunningham 80% / 80% --- ST - used (L) ---
1 80 $6.00 National Union 80% / 80% --- ST - used (L) ---
1 80 $6.00 National Union 85% / 80% --- ST - used (L) ribbed plate
1 80 $6.00 National Union 110% / 80% --- ST - used (L) bayonet pin on base
1 80 $6.00 National Union 85% / 80% --- ST - used (L) ---
1 80 $6.00 Ken-Rad 80% / 80% --- ST - used (L) ---
1 80 $6.00 Ken-Rad 80% / 80% --- ST - used (L) ---
1 80 $6.00 Ken-Rad 80% / 80% --- ST - used (L) ---
1 80 $6.00 Raytheon 80% / 80% --- ST - used (L) ---
1 80 $6.00 Wards Super Airline 85% / 85% --- ST - used (L) engraved base
1 80 $6.00 Wards Super Airline 80% / 80% --- ST - used (L) engraved base
1 80 $6.00 Wards Super Airline 85% / 85% --- ST - used (L) engraved base
1 80 $6.00 Wards Super Airline 80% / 80% --- ST - used (L) ---
1 80 $6.00 Triad 85% / 85% --- ST - used (L) engraved base - paint on tube
1 80 $6.00 Triad 80% / 80% --- ST - used (L) ---
1 80 $6.00 Meier & Frank 80% / 80% --- ST - used (L) engraved base (pl)
1 80 $6.00 Arcturus 80% / 80% --- ST - used (L) ---
1 80 $6.00 Hytron 80% / 85% --- ST - used (L) paint on tube
1 80 $6.00 Sylvania 90% / 80% --- ST - used (L) engraved base
1 80 $6.00 National Union 80% / 80% --- ST - used (L) ---
1 80 $6.00 RCA 80% / 80% --- ST - used (L) ---
1 80 $5.00 Ken-Rad 75% / 80% --- ST - used (L) ---
1 80 $5.00 RCA Victor 75% / 75% --- ST - used (L) ---
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