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 76 $24.00 Super Airline 110% 1800 / 1450Gm ST - NOS (wb) engraved base
1 76 / VT-76 $24.00 RCA 110% 1750 / 1450Gm ST - NOS (wb) JAN
1 76 $20.00 GE 110% 1750 / 1450Gm ST - NOS (wb) ---
1 76 $20.00 Philco 110% 1750 / 1450Gm ST - NOS (wb) ---
1 76 $20.00 Cambridge 120% 1900 / 1450Gm ST - NOS (wb) ---
1 76 $20.00 National Union 115% 1900 / 1450Gm ST - NOS (wb) ---
1 76 $20.00 National Union 110% 1850 / 1450Gm ST - NOS (wb) ---
1 76 $20.00 National Union 140% 1850 / 1450Gm ST - NOS (wb) ---
1 76 $20.00 Sylvania 125% 1900 / 1450Gm ST - NOS (wb) ---
1 76 $20.00 Sylvania 140% 1800 / 1450Gm ST - NOS (wb) ---
1 76 $20.00 Sylvania untested heater ok ST - NOS (OB) sealed in box
1 76 $20.00 RCA 110% 1900 / 1450Gm ST - NOS (wb) US Navy
1 76 $20.00 RCA 120% 2000 / 1450Gm ST - NOS (OB) US Navy
1 76 $20.00 Republic 120% 1800 / 1450Gm ST - NOS (wb) ---
1 76 $12.00 Ken-Rad 140% 1850 / 1450Gm ST - used (rb) engraved base
1 76 $12.00 Triad 130% 2050 / 1450Gm ST - used (rb) engraved base
1 76 $12.00 Triad 115% 1750 / 1450Gm ST - used (rb) engraved base
1 76 $12.00 Crosley by Ken-Rad 100% 1600 / 1450Gm ST - used (rb) engraved base
1 76 $12.00 Wizard 100% 1500 / 1450Gm ST - used (rb) engraved base
1 76 $12.00 RCA / Cunningham 110% 1800 / 1450Gm ST - used (L) engraved base
1 76 $12.00 Wards Super Airline 110% 1750 / 1450Gm ST - used (L) engraved base - cat:321-114
1 76 $12.00 Wards Super Airline 130% 2050 / 1450Gm ST - used (L) engraved base - cat:321-97
1 76 $12.00 Wards Super Airline 115% 1900 / 1450Gm ST - used (L) engraved base
1 76 $12.00 Super Airline 110% 1750 / 1450Gm ST - used (L) engraved base
1 76 $12.00 Ken-Rad 110% 1800 / 1450Gm ST - used (L) engraved base
1 76 $12.00 Triad 120% 1000 / 1450Gm ST - used (L) engraved base
1 76 $10.00 RCA 110% 1700 / 1450Gm ST - used (rb) ---
1 76 $10.00 RCA 110% 1400 / 1450Gm ST - used (rb) ---
1 76 $10.00 Kadette 120% 1600 / 1450Gm ST - used (rb) ---
1 76 $10.00 RCA 120% 1900 / 1450Gm ST - used (L) US Navy
1 76 $10.00 RCA Radiotron 110% 1800 / 1450Gm ST - used (L) US Navy
1 76 $10.00 RCA Radiotron 110% 1750 / 1450Gm ST - used (L) ---
1 76 $10.00 Raytheon 110% 1900 / 1450Gm ST - used (L) ---
1 76 $10.00 Kadette 140% 2250 / 1450Gm ST - used (L) ---
1 76 $10.00 Sylvania 120% 1900 / 1450Gm ST - used (L) ---
1 76 $10.00 Sylvania 110% 1750 / 1450Gm ST - used (L) ---
1 76 $10.00 Wards Super Airline 120% 1800 / 1450Gm ST - used (L) ---
1 76 $10.00 Aristocrat 120% 1900 / 1450Gm ST - used (L) cat:312-205
1 76 $10.00 National Union 115% 1850 / 1450Gm ST - used (L) ---
1 76 $10.00 Super Airline 115% 1800 / 1450Gm ST - used (L) ---
1 76 $10.00 National Union 115% 1750 / 1450Gm ST - used (L) ---
1 76 $10.00 Philco 120% 2000 / 1450Gm ST - used (L) ---
1 76 $10.00 CBS 115% 1750 / 1450Gm ST - used (L) ---
1 76 $10.00 Kadette 110% 1800 / 1450Gm ST - used (L) ---
1 76 $10.00 Ken-Rad 110% 1800 / 1450Gm ST - used (L) ---
1 76 $9.00 Raytheon 100% 1650 / 1450Gm ST - used (L) engraved base
1 76 $9.00 Ken-Rad 105% 1600 / 1450Gm ST - used (L) engraved base
1 76 / VT-76 $9.00 RCA 100% 1600 / 1450Gm ST - used (L) JAN - cat:401-459
1 76 / VT-76 $9.00 RCA 100% 1600 / 1450Gm ST - used (L) JAN
1 76 / VT-76 $9.00 RCA 100% 1600 / 1450Gm ST - used (L) JAN
1 76 $8.00 RCA Victor 100% 1500 / 1450Gm ST - used (L) ---
1 76 $8.00 RCA Victor 100% 1750 / 1450Gm ST - used (L) ---
1 76 $8.00 RCA Radiotron 100% 1600 / 1450Gm ST - used (L) ---
1 76 $8.00 RCA Radiotron 100% 1450 / 1450Gm ST - used (L) ---
1 76 $8.00 RCA 100% 1600 / 1450Gm ST - used (L) ---
1 76 $8.00 RCA 100% 1700 / 1450Gm ST - used (L) ---
1 76 $8.00 RCA 100% 1650 / 1450Gm ST - used (L) ---
1 76 $8.00 RCA 100% 1700 / 1450Gm ST - used (L) US Navy
1 76 $8.00 Sylvania 100% 1700 / 1450Gm ST - used (L) ---
1 76 $8.00 National Union 105% 1700 / 1450Gm ST - used (L) ---
1 76 $8.00 National Union 100% 1600 / 1450Gm ST - used (L) ---
1 76 $8.00 Kadette 105% 1800 / 1450Gm ST - used (L) ---
1 76 $8.00 Ken-Rad 100% 1700 / 1450Gm ST - used (L) ---
1 76 $8.00 Wards Super Airline 105% 1800 / 1450Gm ST - used (L) ---
1 76 $8.00 unknown 100% 1750 / 1450Gm ST - used (L) ---
1 76 $7.00 RCA 95% 1650 / 1450Gm ST - used (L) ---
1 76 $7.00 RCA 95% 1550 / 1450Gm ST - used (L) ---
1 76 $7.00 RCA 90% 1450 / 1450Gm ST - used (L) ---
1 76 $7.00 RCA 90% 1500 / 1450Gm ST - used (L) ---
1 76 $7.00 RCA Victor 95% 1600 / 1450Gm ST - used (L) ---
1 76 $7.00 RCA Radiotron 90% 1500 / 1450Gm ST - used (L) ---
1 76 $7.00 RCA / Cunningham 95% 1550 / 1450Gm ST - used (L) engraved base
1 76 $7.00 Sylvania 90% 1450 / 1450Gm ST - used (L) ---
1 76 $7.00 Sylvania 90% 1550 / 1450Gm ST - used (L) ---
1 76 $7.00 Sylvania 90% 1500 / 1450Gm ST - used (L) ---
1 76 $7.00 National Union 90% 1450 / 1450Gm ST - used (L) ---
1 76 $7.00 Ken-Rad 90% 1500 / 1450Gm ST - used (L) engraved base
1 76 $7.00 Ken-Rad 90% 1500 / 1450Gm ST - used (L) engraved base
1 76 $7.00 Ken-Rad 90% 1700 / 1450Gm ST - used (L) ---
1 76 $7.00 Wards Super Airline 90% 1600 / 1450Gm ST - used (L) ---
1 76 $7.00 Wards Airline 90% 1550 / 1450Gm ST - used (L) ---
1 76 $7.00 Republic 90% 1600 / 1450Gm ST - used (L) engraved base
1 76 $7.00 El Duro 90% 1500 / 1450Gm ST - used (L) ---
1 76 $5.00 National Union 85% 1300 / 1450Gm ST - used (L) engraved base
1 76 $5.00 GE 85% 1400 / 1450Gm ST - used (L) engraved base
1 76 $5.00 Tung-Sol 85% 1450 / 1450Gm ST - used (L) ---
1 76 $5.00 RCA 85% 1500 / 1450Gm ST - used (L) ---
1 76 $5.00 RCA / Cunningham 85% 1400 / 1450Gm ST - used (L) engraved base
1 76 $5.00 RCA / Cunningham 85% 1400 / 1450Gm ST - used (L) engraved base
1 76 $5.00 RCA for L&K Electronics 85% 1450 / 1450Gm ST - used (L) ---
1 76 $5.00 Wards Airline 85% 1400 / 1450Gm ST - used (L) ---
1 76 $5.00 Philco 85% 1500 / 1450Gm ST - used (L) ---
1 76 $5.00 Philco 85% 1400 / 1450Gm ST - used (L) engraved base
1 76 $5.00 unknown 85% 1500 / 1450Gm 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