MDB Ventures Globe/Balloon Vacuum Tubes


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Type: 24 , 36 , 38 , 39 , 44 ( NOS and 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 Globe/Balloon Tubes
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 UY-224 $25.00 RCA 130% 1000 / 1000Gm NOS (wb) globe tube - engraved base
1 C-224A $25.00 Cunningham 140% 1150 / 1000Gm NOS (wb) globe tube - engraved base
1 C-324 $25.00 Cunningham 100% 1000 / 1000Gm NOS (wb) globe tube - engraved base
1 UY-224 $25.00 Ken-Rad 100% 1000 / 1000Gm NOS (wb) globe tube - engraved base
1 NY-224 $25.00 National Union 140% 1200 / 1000Gm NOS (wb) globe tube - engraved base
1 224 $25.00 Speed 110% 1100 / 1000Gm NOS (wb) globe tube (pl)
1 224A $25.00 Silvertone 130% 1000 / 1000Gm NOS (wb) globe tube - engraved base
1 C-224 $25.00 Sparton 130% 1200 / 1000Gm NOS (wb) globe tube - engraved base (pl)
1 424 $40.00 Deforest Audion 125% 900 / 1000Gm NOS (wb) globe tube - engraved base (perf. plate)
1 ER224 $35.00 Raytheon Eveready 140% 1500 / 1000Gm NOS (wb) globe tube - engraved base - four pillar tube - no label
1 ER224A $35.00 Raytheon Eveready 100% 1200 / 1000Gm NOS (wb) globe tube - engraved base - four pillar tube - no label
1 ER-224-A $20.00 Raytheon Eveready 110% 800 / 1000Gm used (wb) globe tube - engraved base - four pillar tube - has label
1 ER-224-A $20.00 Eveready Raytheon 80% 1200 / 1000Gm used (wb) globe tube - engraved base - four pillar tube - has label
1 224 $10.00 Silvertone 110% 1100 / 1000Gm used (wb) globe tube - engraved base
1 224 $10.00 Silvertone 120% 950 / 1000Gm used (wb) globe tube - engraved base
1 C-324 $10.00 Cunningham 100% 1000 / 1000Gm used (wb) globe tube - engraved base (cat:401-628)
1 PAC-224 $10.00 Perryman 140% 1100 / 1000Gm used (wb) globe tube - engraved base - rattle in base
1 NY-224 $10.00 National Union 120% 1300 / 1000Gm used (wb) globe tube - engraved base
1 NY-224 $10.00 National Union 110% 1050 / 1000Gm used (wb) globe tube - engraved base (cat:312-130)
1 24 $10.00 Brunswick 110% 1050 / 1000Gm used (wb) globe tube - engraved base
1 224 $7.50 Silvertone 85% 1000 / 1000Gm used (wb) globe tube - engraved base
1 224-A $7.50 Silvertone 90% 950 / 1000Gm used (wb) globe tube - engraved base
1 224-A $7.50 Silvertone 90% 600 / 1000Gm used (wb) globe tube - engraved base
1 PAC-224 $7.50 Perryman 90% 1100 / 1000Gm used (wb) globe tube (pl)
1 224-A $5.00 Super Silvertone 80% 1000 / 1000Gm used (wb) globe tube - engraved base
1 NY-224 $5.00 National Union 80% 900 / 1000Gm used (wb) globe tube - engraved base
1 NY-224 $5.00 National Union 80% 700 / 1000Gm used (wb) globe tube - engraved base
1 24 $5.00 Tung-Sol 90% 1300 / 1000Gm used (wb) globe tube (rattle in base)
1 36 / VT-26 $25.00 Raytheon Eveready 140% 1250 / 1050Gm NOS (wb) globe tube - engraved base - four pillar tube (pl)
1 36 / VT-26 $20.00 Raytheon Eveready 130% 1150 / 1050Gm NOS (wb) globe tube - engraved base - four pillar tube (no label)
1 NU-236 $15.00 National Union 120% 1350 / 1050Gm NOS (wb) globe tube - engraved base
1 NU-236 $15.00 National Union 140% 1450 / 1050Gm NOS (wb) globe tube - engraved base
1 NU-236 $15.00 National Union 150% 1350 / 1050Gm NOS (wb) globe tube - engraved base
1 36 $12.00 Philco 100% 1100 / 1050Gm used (wb) globe tube - engraved base
1 38 $30.00 Philco 110% 1300 / 1050Gm NOS (wb) globe tube - mesh plate - engraved base (pl)
1 ER-239 $30.00 Eveready Raytheon 115% 1150 / 1000Gm NOS (wb) globe tube - four pillar tube - engraved base - has label
1 ER-239 $15.00 Eveready Raytheon 110% 1200 / 1000Gm used (wb) globe tube - four pillar tube - name removed from base - no label
1 39 $12.00 Deforest 110% 1200 / 1000Gm used (wb) globe tube - engraved base
1 239 $12.00 Trailblazer 100% 1050 / 1000Gm used (wb) globe tube - engraved base
1 44 $12.00 Philco 110% 1050 / 1000Gm used (wb) globe tube - engraved base
1 44 $12.00 Philco 110% 1100 / 1000Gm used (wb) globe tube - engraved base
1 44 $12.00 Philco 120% 1100 / 1000Gm used (wb) globe tube - engraved base
1 44 $12.00 National Union 130% 1250 / 1000Gm used (wb) globe tube - engraved base
Notes:
(OB) = original box, (rb) = relabeled/replacement box, (wb) = white box, (L) = loose (no box), (pl) = paper label on tube (original or third party), JAN = Military
(H) = tested on Hickok 539A
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 globe/balloon 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