MDB Ventures Preoctal Radio Vacuum Tubes
Type: 15 , 19 , 22 , 26 ( NOS and Used )
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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
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1 | No type 15 tubes currently available | | | | | | |
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1 | 19 | $15.00 | Lafayette | 130% / 130% | 1250:1250 / 1000Gm | ST - NOS (wb) | smooth plates - engraved base |
1 | 19 | $15.00 | Wards Super Airline | 140% / 140% | 1450:1450 / 1000Gm | ST - NOS (wb) | smooth plates |
1 | 19 | $15.00 | Sylvania | 130% / 140% | 1200:1300 / 1000Gm | ST - NOS (OB) | ribbed plates |
1 | 19 | $15.00 | Sylvania | 130% / 140% | 1200:1300 / 1000Gm | ST - NOS (OB) | ribbed plates |
1 | 19 | $15.00 | Super Silvertone | 120% / 125% | 1200:1200 / 1000Gm | ST - NOS (wb) | smooth plates - engraved base |
1 | 19 | $15.00 | RCA Radiotron | 130% / 130% | 1300:1300 / 1000Gm | ST - NOS (wb) | smooth plates - engraved base |
1 | 19 | $15.00 | RCA / Cunningham | 125% / 140% | 1150:1350 / 1000Gm | ST - NOS (wb) | smooth plates - engraved base |
1 | 19 | $15.00 | Tung-Sol | 120% / 120% | 1100:1100 / 1000Gm | ST - NOS (ob) | smooth plates - damaged box |
1 | 19 | $7.50 | Sylvania | 100% / 120% | 1050:1200 / 1000Gm | ST - used (rb) | ribbed plates |
1 | 19 | $7.00 | unknown | 120% / 130% | 1150:1250 / 1000Gm | ST - used (rb) | smooth plates - damaged box - name removed from base |
1 | 19-GT | $12.00 | RCA Victor | 120% / 120% | 1200:1200 / 1000Gm | GT - NOS (wb) | --- |
1 | 19 | $7.50 | Wards Super Airline | 130% / 140% | 1200:1250 / Gm | ST - used (L) | smooth plates |
1 | 19 | $7.50 | Lafayette | 125% / 140% | 1250 / 1400Gm | ST - used (L) | smooth plates - engraved base |
1 | 19 | $7.50 | unknown | 130% / 130% | 1050:1150 / 1000Gm | ST - used (L) | smooth plates - name removed from base |
1 | 19 | $7.50 | unknown | 110% / 130% | 1100:1300 / 1000Gm | ST - used (L) | smooth plates - name removed from base |
1 | 19 | $7.50 | unknown | 140% / 140% | 1200:1250 / 1000Gm | ST - used (L) | smooth plates - name removed from base |
1 | 19 | $7.50 | Wards Super Airline | 140% / 140% | 1250:1250 / 1000Gm | ST - used (L) | smooth plates - engraved base |
1 | 19 | $7.50 | Wards Super Airline | 140% / 160% | 800:1050 / 1000Gm | ST - used (L) | smooth plates - engraved base |
1 | 19 | $7.50 | Super Silvertone | 115% / 120% | 1000:1100 / 1000Gm | ST - used (L) | ribbed plates - engraved base |
1 | 19 | $7.50 | Wards Super Airline | 110% / 110% | 1050:1000 / 1000Gm | ST - used (L) | smooth plates |
1 | 19 | $7.50 | Sylvania | 120% / 140% | 1100:1200 / 1000Gm | ST - used (L) | ribbed plates - engraved base |
1 | 19 | $7.50 | Wards Super Airline | 125% / 135% | 1200:1300 / 1000Gm | ST - used (L) | smooth plates - engraved base |
1 | 19 | $7.50 | Raytheon | 125% / 130% | 1200:1250 / 1000Gm | ST - used (L) | ribbed plates |
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1 | 22 | $10.00 | RCA / Cunningham | 110% | 650 / 500Gm | ST - NOS (ob) | engraved base - box deteriorating |
1 | 22 | $10.00 | Philco | 115% | 650 / 500Gm | ST - NOS (ob) | engraved base - bayonet pin on base - damaged box |
1 | 22 | $10.00 | Philco | 120% | 600 / 500Gm | ST - NOS (ob) | engraved base - bayonet pin on base - damaged box - cat:403-76 |
1 | 22 | $10.00 | National Union | 140% | 600 / 500Gm | ST - NOS (wb) | engraved base - bayonet pin on base |
1 | 22 | $7.50 | Sylvania | 100% | 550 / 500Gm | ST - used (wb) | engraved base - bayonet pin on base |
1 | 22 | $7.50 | RCA / Cunningham | 130% | 600 / 500Gm | ST - used (L) | engraved base |
1 | 22 | $5.00 | RCA / Cunningham | 85% | 450 / 500Gm | ST - used (L) | engraved base |
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1 | 26 | $25.00 | National Union | 110% | 1250 / 1150Gm | ST - NOS (ob) | damaged box |
1 | 26 | $25.00 | Sparton | 100% | 1150 / 1150Gm | ST - NOS (wb) | --- |
1 | 26 | $25.00 | GE | 120% | 1300 / 1150Gm | ST - NOS (wb) | --- |
1 | 26 | $25.00 | Sylvania | 130% | 1250 / 1150Gm | ST - NOS (wb) | engraved base |
1 | 26 | $25.00 | Sylvania | 115% | 1300 / 1150Gm | ST - NOS (wb) | --- |
1 | 26 | $25.00 | Tung-Sol | 120% | 1500 / 1150Gm | ST - NOS (wb) | engraved base |
1 | 26 | $15.00 | Sylvania | 120% | 1200 / 1150Gm | ST - used (rb) | engraved base |
1 | 26 | $15.00 | National Union | 140% | 1400 / 1150Gm | ST - used (rb) | damaged box |
1 | 26 | $15.00 | GE | 100% | 1100 / 1150Gm | ST - used (L) | --- |
1 | 26 | $15.00 | Coronado | 100% | 1350 / 1150Gm | ST - used (L) | --- |
1 | 26 | $15.00 | Super Silvertone | 100% | 1150 / 1150Gm | ST - used (L) | --- |
1 | 26 | $15.00 | National Union | 120% | 1250 / 1150Gm | ST - used (L) | --- |
1 | 26 | $15.00 | RCA / Cunningham | 100% | 1050 / 1150Gm | ST - used (L) | engraved base |
1 | 26 | $15.00 | Arcturus | 140% | 1500 / 1150Gm | ST - used (L) | engraved base |
1 | 26 | $15.00 | Tung-Sol | 110% | 1150 / 1150Gm | ST - used (L) | engraved base |
1 | 26 | $15.00 | Philco | 100% | 1250 / 1150Gm | ST - used (L) | engraved base |
1 | 26 | $15.00 | Wards Super Airline | 100% | 1200 / 1150Gm | ST - used (L) | --- |
1 | 26 | $15.00 | National Union | 120% | 1200 / 1150Gm | ST - used (L) | engraved base |
1 | NU-26 | $15.00 | National Union | 100% | 1650 / 1150Gm | ST - used (L) | engraved base |
1 | 26 | $12.00 | Raytheon | 95% | 1100 / 1150Gm | ST - used (wb) | bayonet pin on base |
1 | 26 | $12.00 | Philco | 90% | 1150 / 1150Gm | ST - used (L) | --- |
1 | 26 | $12.00 | Sylvania | 90% | 1000 / 1150Gm | ST - used (L) | --- |
1 | 26 | $12.00 | Tung-Sol | 95% | 1000 / 1150Gm | ST - used (L) | --- |
1 | 26 | $12.00 | Triad | 85% | 850 / 1150Gm | ST - used (L) | engraved base |
1 | 26 | $12.00 | Sylvania | 85% | 1050 / 1150Gm | ST - used (L) | --- |
1 | 26 | $12.00 | National Union | 85% | 1150 / 1150Gm | ST - used (L) | engraved base |
1 | 26 | $12.00 | National Union | 85% | 1100 / 1150Gm | ST - used (L) | engraved base |
1 | 26 | $12.00 | Philco | 85% | 1050 / 1150Gm | ST - used (L) | engraved base |
1 | 26 | $12.00 | RCA Victor | 90% | 1050 / 1150Gm | ST - used (L) | --- |
1 | 26 | $12.00 | RCA / Cunningham | 95% | 1050 / 1150Gm | ST - used (L) | engraved base |
1 | 26 | $12.00 | Philco | 90% | 1150 / 1150Gm | ST - used (L) | engraved base |
1 | 26 | $12.00 | National Union | 85% | 800 / 1150Gm | ST - used (L) | --- |
1 | 26 | $12.00 | RCA Victor | 90% | 1000 / 1150Gm | 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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Preoctal and Globe/Balloon Vacuum Tube List
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