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 26 $25.00 RCA Radiotron 70% 800 / 1150Gm used (wb) globe tube - engraved base (pl)
1 CX-26 $25.00 Cunningham 70% 950 / 1150Gm used (wb) globe tube - engraved base
1 CX-226 $15.00 Cunningham 45% 450 / 1150Gm used (wb) globe tube - engraved base - bayonet pin
1 WX-26 $15.00 Wireless 50% 650 / 1050Gmused (L) globe tube - engraved base - bayonet pin
1 WX-26 $10.00 Wireless 30% 450 / 1050Gmused (L) globe tube - engraved base - bayonet pin
1 C-327 $50.00 Cunningham 120% 1000 / 1000Gm NOS (wb) globe tube - engraved base - mesh plate
1 NY-227 $50.00 National Union 130% 1350 / 1000Gm NOS (wb) globe tube - engraved base - mesh plate
1 Y-227 $50.00 OK 100% 1000 / 1000Gm NOS (wb) globe tube - engraved base - mesh plate
1 UY-227 $50.00 RCA 100% 1000 / 1000Gm NOS (ob) globe tube - engraved base - mesh plate (damaged box)
1 ER-227 $60.00 Raytheon Eveready 140% 1500 / 1000Gm NOS (wb) globe tube - mesh plate - four pillar tube - engraved base - no label
1 ER-227 $45.00 Eveready Raytheon 100% 1200 / 1000Gm used (wb) globe tube - engraved base - four pillar tube - mesh plate - no label
1 ER-227 $50.00 Raytheon Eveready 120% 1200 / 1000Gm used (wb) globe tube - mesh plate - four pillar tube - engraved base (rattle in base) no label
1 ER-227 $25.00 Raytheon Eveready 60% 600 / 1000Gm used (wb) globe tube - mesh plate - four pillar tube - engraved base
1 UY-227 $25.00 RCA 110% 1250 / 1000Gm used (wb) globe tube - engraved base - mesh plate (pl)
1 Y-227 $25.00 Hygrade 110% 1350 / 1000Gm used (wb) globe tube - engraved base - mesh plate
1 227 $25.00 Silvertone 115% 1000 / 1000Gm used (wb) globe tube - engraved base - mesh plate
1 227 $25.00 Triad 130% 1100 / 1000Gm used (wb) globe tube - mesh plate - engrave base - rattle in base
1 227 $25.00 Airline 110% 1150 / 1000Gm used (wb) globe tube - engraved base - short mesh plate - ceramic cathode insulator - rattle in base (pl)
1 C-327 $25.00 Cunningham 140% 1200 / 1000Gm used (wb) globe tube - engraved base short - mesh plate
1 27 $25.00 Super Airline 100% 1100 / 1000Gm used (wb) globe tube - engraved base - mesh plate
1 C-327 $25.00 Cunningham 100% 1150 / 1000Gm used (wb) globe tube - engraved base - mesh plate
1 UY-227 $20.00 RCA 110% 1000 / 1000Gm used leaky (2M) (wb) globe tube - engraved base - mesh plate (pl)
1 27 $20.00 unknown 120% 1000 / 1000Gm used (wb) globe tube - mesh plate (loose metal inside - does not affect operation) (pl)
1 UY-227 $18.00 RCA 95% 1000 / 1000Gm used leaky (5M) (wb) globe tube - engraved base - mesh plate
1 UY-227 $18.00 RCA 90% 850 / 1000Gm used (wb) globe tube - engraved base - mesh plate (pl)
1 UY-227 $18.00 RCA 85% 740 / 1000Gm used (wb) globe tube - engraved base - mesh plate
1 227 $18.00 Silvertone 90% 750 / 1000Gm used (wb) globe tube - engraved base - mesh plate
1 27 $15.00 Philco 80% 700 / 1000Gm used (wb) globe tube - engraved base - mesh plate
1 C-327 $15.00 Cunningham 80% 750 / 1000Gm used (wb) globe tube - engraved base - mesh plate
1 G-27-S $15.00 Majestic 80% 800 / 1000Gm used (wb) globe tube - engraved base - paint shield
1 C-327 $12.00 Cunningham 70% 750 / 1000Gm used (wb) globe tube - engraved base - mesh plate
1 27 $12.00 Philco 60% 650 / 1000Gm used (L) globe tube - engraved base - mesh plate

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