MDB Ventures Low Grade Globe/Balloon Radio Vacuum Tubes
For Display or Play.

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

Desc

Notes
1 X-201-A $10.00 unknown 10% 100 / 725Gm used (L) globe tube - engraved base - bayonet pin (cat:312-118)
1 CX-301-A $7.50 Cunningham 5% 50 / 725Gm used (wb) globe tube - engraved base - bayonet pin
1 UX-201-A $5.00 RCA shorted heater ok used (L) globe tube - engraved base - bayonet pin - heater cathode short
1 CX-322 $7.50 Cunningham 40% 250 / 500Gm used (L) globe tube - engraved base - bayonet pin on base
1 424 $12.00 Deforest Audion 65% 450 / 1000Gm used (wb) globe tube - engraved base (cat:gx-2)
1 424 $10.00 Deforest Audion 50% 300 / 1000Gm used (wb) globe tube - engraved base - loose cap (cat:gx-2)
1 24-A $7.50 RCA Radiotron 75% 850 / 1000Gm used (L) globe tube - engraved base
1 24 $7.50 Philco 75% 800 / 1000Gm used (L) globe tube - engraved base (cat:gx-2)
1 PAC-224 $7.50 Perryman 70% 600 / 1000Gm used (L) globe tube
1 C-324 $7.50 Cunningham 70% 750 / 1000Gm used (L) globe tube - engraved base (cat:gx-2)
1 UY-224 $7.50 RCA Radiotron 70% 100 / 1000Gm used (L) globe tube - engraved base (cat:gx-2)
1 C-324 $7.50 Cunningham 70% 980 / 1000Gm used (L) globe tube - engraved base (cat:gx-2)
1 PA-224 $7.50 Perryman 70% 1000 / 1000Gm used (L) globe tube - etched base (cat:gx-2)
1 NY-224 $7.00 National Union 65% 600 / 1000Gm used (L) globe tube - engraved base
1 24 $7.00 Philco 60% 900 / 1000Gm used (L) globe tube - engraved base (cat:gx-2)
1 C-324 $6.50 Cunningham 55% 500 / 1000Gm used (L) globe tube - engraved base (cat:gx-2)
1 224 $6.00 Super Airline 45% 600 / 1000Gm used (L) globe tube - engraved base (cat:gx-2)
1 24 $6.00 Philco 40% 500 / 1000Gm used (L) globe tube - engraved base - cat:312-132
1 UY-224 $6.00 RCA Radiotron 40% 500 / 1000Gm used (L) globe tube - engraved base
1 UY-224 $6.00 RCA 30% 300 / 1000Gm used (L) globe tube - engraved base (cat:gx-2)
1 UY-224 $5.00 RCA 5% 10 / 1000Gm used (L) globe tube - engraved base (cat:gx-2)
1 24 $5.00 Philco 100% 850 / 1000Gm used (L) globe tube - engraved base - loose cap (cat:312-129) (pl)
1 PA-224 $5.00 Perryman 140% 800 / 1000Gm used leaky (L) globe tube - loose base - loose cap
1 PA-224 $5.00 Perryman 120% 1050 / 1000Gm used leaky (5M) (L) globe tube
1 24 $5.00 Berryman 80% 800 / 1000Gm used leaky (750K) (L) globe tube (cat:403-205)
1 NY-224 $5.00 National Union 120% 850 / 1000Gm used leaky (L) globe tube - engraved base (cat:gx-2)
1 G-24 $5.00 Majestic 110% 800 / 1000Gm used leaky (L) globe tube - engraved base (cat:gx-2)
1 C-324 $5.00 Cunningham 100% 800 / 1000Gm used leaky (L) globe tube - engraved base (cat:gx-2)
1 224 $5.00 Perryman 100% 900 / 1000Gm used leaky (L) globe tube (cat:gx-2)
1 UY-224 $6.00 RCA Radiotron 70% 850 / 1000Gm used (L) globe tube - engraved base - loose base
1 224-A $6.00 Super Airline 70% 850 / 1000Gm used (L) globe tube - engraved base - loose base
1 ER-227 $20.00 Eveready Raytheon 20% 200 / 1000Gm used (wb) globe tube - engraved base - four pillar tube - torn label
1 GY-227 $15.00 Airline 40% 300 / 1000Gm used (L) globe tube - engraved base - mesh plate - red/black molted base - 62-5317
1 UY-227 $10.00 RCA 70% 50 / 1000Gm used (L) globe tube - engraved base - mesh plate (cat:411-12)
1 NY-227 $8.00 National Union 55% 500 / 1000Gm used (L) globe tube - engraved base - mesh plate
1 227 $8.00 Westinghouse 50% 500 / 1000Gm used (L) globe tube - engraved base - mesh plate
1 227 $7.00 Speed 40% 400 / 1000Gm used (L) globe tube - engraved base - short mesh plate
1 GY-227 $7.00 Airline 40% 400 / 1000Gm used (L) globe tube - engraved base - mesh plate - loose base - loose material inside bulb
1 227 $7.00 Silvertone 40% 350 / 1000Gm used (L) globe tube - engraved base - mesh plate
1 227 $6.00 Silvertone 30% 350 / 1000Gm used (L) globe tube - engraved base - mesh plate
1 C-327 $6.00 Cunningham 30% 200 / 1000Gm used (L) globe tube - engraved base - short mesh plate - loose base
1 NY-227 $5.00 National Union 10% 200 / 1000Gm used (L) globe tube - engraved base - mesh plate
1 C-327 $5.00 Cunningham 10% 200 / 1000Gm used (L) globe tube - engraved base - mesh plate
1 UY-227 $5.00 RCA Radiotron 2% 10 / 1000Gm used (L) globe tube - engraved base - mesh plate
1 230 $5.00 Silvertone 10% 100 / 900Gm used (L) globe tube - engraved base
1 AX-232 $5.00 unknown 45% 100 / 650Gm used (L) globe tube - name removed from base
1 232 $2.50 Silvertone 100% --- intermitent short (L) globe tube - engraved base
1 ER-234 $12.00 Raytheon Eveready 10% 50 / 600Gm used (L) globe tube - engraved base - four pillar tube (pl) (cat:gx-2)
1 34 $5.00 Airline 50% 150 / 600Gm used (L) globe tube - engraved base (cat:gx-2)
1 34 $5.00 Wardware 55% 100 / 600Gm used (L) globe tube - engraved base - loose cap (cat:gx-2) (pl)
1 TS-235 $6.00 Tung-Sol 75% 50 / 1020Gm used (L) globe tube - engraved base - loose cap
1 NY-235 $6.00 National Union 70% 500 / 1020Gm used (L) globe tube - engraved base
1 C-335 $6.00 Cunningham 70% 600 / 1020Gm used (L) globe tube - engraved base (cat:gx-2)
1 235 $6.00 Ceco 70% 600 / 1020Gm used (L) globe tube - engraved base (cat:gx-2) (pl)
1 C-335 $5.00 Cunningham 50% 500 / 1020Gm used (L) globe tube - engraved base
1 235 $5.00 Ceco 30% 900 / 1020Gm used (L) globe tube - engraved base
1 NU-247 $25.00 National Union 50% 1500 / 2000Gm used (L) globe tube - engraved base
1 47 $25.00 Cunningham 50% 700 / 2000Gm used (L) globe tube - engraved base
1 47 $20.00 Champion 40% 1000 / 2000Gm used (L) globe tube - engraved base
1 47 $15.00 RCA 30% 700 / 2000Gm used (L) globe tube - engraved base
1 47 $10.00 RCA 25% 400 / 2000Gm used (L) globe tube - engraved base - loose base
1 G-47 $7.50 Majestic 10% 100 / 2000Gm used (L) globe tube - engraved base
1 Z-51 $5.00 Zenith 55% 750 / 975Gm used (L) globe tube - engraved base (pl)
1 G-51 $5.00 Majestic 65% 600 / 975Gm used (L) globe tube - engraved base (pl)
1 NU-51 $5.00 National Union 65% 750 / 975Gm used (L) globe tube - engraved base (cat:gx-2)
1 ER-551 $15.00 Raytheon Eveready 100%1050 / 975Gm used leaky (2M) (wb) globe tube - engraved base - no label (cat:gx-2)
1 C-335 $7.50 Cunningham 70% 1050 / 1050Gm used (L) globe tube - engraved base
1 CX-380 $15.00 Cunningham 55% / 60% --- used (L) globe tube - engraved base - loose particles inside
1 CX-380 $10.00 Cunningham 30% / 40% --- used (L) globe tube - engraved base - loose particles inside
1 UX-280 $10.00 RCA 40% / 40% --- used (L) globe tube - engraved base
1 80 $7.00 RCA 20% / 30% --- used (L) globe tube - engraved base - loose particles inside
1 80 $7.00 Philco 20% / 20% --- used (L) globe tube - engraved base - loose particles inside
1 NX-280 $6.00 National Union 10% / 20% --- used (L) globe tube - engraved base - rattle inside
1 80 $6.00 Philco 10% / 20% --- used (L) globe tube - engraved base - loose particles inside
1 80 $6.00 Cunningham 10% / 10% --- used (L) globe tube - engraved base
1 UX-280 $5.00 RCA 5% / 5% --- used (L) globe tube - engraved base - loose particles inside
1 485 $10.00 Sparton 30% 500 / 1300Gm used (L) globe tube - engraved base - white particles inside

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