MDB Ventures Globe/Balloon 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 Globe/Balloon Tubes
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 24A $10.00 RCA 120% 1250 / 1000Gm used (wb) globe tube - engraved base
1 UY-224A $10.00 RCA 100% 800 / 1000Gm used (wb) globe tube - engraved base
1 UY-224A $10.00 RCA 110% 900 / 1000Gm used (wb) globe tube - engraved base (pl)
1 UY-224A $10.00 RCA 100% 950 / 1000Gm used (wb) globe tube - engraved base
1 UY-224 $10.00 RCA 130% 1250 / 1000Gm used (rb) globe tube - engraved base (in Cunningham/RCA box)
1 UY-224 $10.00 RCA 100% 1000 / 1000Gm used (wb) globe tube - engraved base- cat:312-335 - damaged box
1 UY-224 $10.00 RCA 120% 1000 / 1000Gm used (wb) globe tube - engraved base
1 C324 $10.00 Cunningham 140% 800 / 1000Gm used (wb) globe tube - engraved base
1 NY-224 $10.00 National Union 100% 900 / 1000Gm used (wb) globe tube - engraved base
1 NY-224 $10.00 National Union 100% 700 / 1000Gm used (wb) globe tube - engraved base
1 24 $10.00 Philco 100% 950 / 1000Gm used (wb) globe tube - engraved base (pl)
1 24 $10.00 Philco 110% 900 / 1000Gm used (wb) globe tube - engraved base (pl)
1 24 $10.00 Philco 100% 1150 / 1000Gm used (wb) globe tube - engraved base
1 24 $10.00 Philco 110% 1100 / 1000Gm used (wb) globe tube - engraved base
1 24 $10.00 Super Airline 140% 1400 / 1000Gm used (wb) globe tube - engraved base
1 224-A $10.00 Super Airline 100% 1150 / 1000Gm used (wb) globe tube - engraved base
1 T-24 $10.00 Triad 100% 950 / 1000Gm used (wb) globe tube - engraved base
1 24 $10.00 unknown 110% 900 / 1000Gm used (wb) globe tube
1 UY-224 $7.50 RCA 90% 1000 / 1000Gm used (wb) globe tube - engraved base
1 UY-224A $7.50 RCA 90% 1000 / 1000Gm used (wb) globe tube - engraved base
1 UY-224 $7.50 RCA 90% 950 / 1000Gm used (wb) globe tube - engraved base
1 UY-224 $7.50 RCA 95% 1000 / 1000Gm used (wb) globe tube - engraved base
1 UY-224 $7.50 RCA 85% 950 / 1000Gm used (wb) globe tube - engraved base
1 C324 $7.50 Cunningham 90% 900 / 1000Gm used (wb) globe tube - engraved base
1 C324 $7.50 Cunningham 90% 950 / 1000Gm used (wb) globe tube - engraved base
1 C324 $7.50 Cunningham 90% 950 / 1000Gm used (wb) globe tube - engraved base
1 NY-224 $7.50 National Union 90% 1250 / 1000Gm used (wb) globe tube - engraved base (pl)
1 NY-224A $7.50 National Union 85% 1000 / 1000Gm used (wb) globe tube - engraved base
1 24 $7.50 Philco 90% 1000 / 1000Gm used (wb) globe tube - engraved base (pl)
1 24 $7.50 Philco 90% 1050 / 1000Gm used (wb) globe tube - engraved base
1 224 $7.50 Westinghouse 85% 950 / 1000Gm used (wb) globe tube
1 24 $5.00 Philco 80% 850 / 1000Gm used (wb) globe tube - engraved base - cat:312-334
1 NY-224 $5.00 National Union 120% 700 / 1000Gm used (wb) globe tube - engraved base (pl) (paint on tube)
1 UY-224 $5.00 RCA 100% 1050 / 1000Gm used (wb) globe tube - engraved base (pl) (loose cap)
1 UY-224 $5.00 RCA 150% 1050 / 1000Gm used (wb) globe tube - engraved base (pl) (loose cap)
1 C324 $5.00 Cunningham 100% 800 / 1000Gm used (wb) globe tube - engraved base (loose cap)
1 C324 $5.00 Cunningham 100% 750 / 1000Gm used (wb) globe tube - engraved base (rattle in base)
1 NY-224 $5.00 National Union 140% 1150 / 1000Gm used (wb) globe tube - engraved base (rattle in base)
1 224 $5.00 unknown 130% 1200 / 1000Gm used (wb) globe tube - engraved base - rattle in base
1 24A $5.00 Eagle 120% 1000 / 1000Gm used (wb) globe tube (pl) (rattle in 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