MDB Ventures Globe/Balloon Vacuum Tubes


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Type: 32 , 34 , 35 , 36 , 37 , 39 , 45 , 51 , 56 ( 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
1 232 $25.00 RCA 140% 900 / 640Gm used (wb) globe tube - engraved base - cat:403-001
1 32 $15.00 Super Airline 110% 950 / 650Gm used (wb) globe tube (name removed from base)
1 32 $15.00 Super Airline 120% 1050 / 650Gm used (wb) globe tube (name removed from base)
1 34 $15.00 unknown 100% 250 / 600Gm used (wb) globe tube (name removed from base)
1 F-235 $15.00 Fada 110% 1050 / 1020Gm NOS (wb) globe tube - engraved base
1 C-335 $12.00 Cunningham 100% 1050 / 1050Gm NOS (wb) globe tube - engraved base
1 C-335 $10.00 Cunningham 120% 950 / 1050Gm used (wb) globe tube - engraved base
1 C-335 $7.00 Cunningham 85% 900 / 1050Gm used (wb) globe tube - engraved base
1 NY-235 $12.00 National Union 125% 1400 / 1050Gm used (wb) globe tube - engraved base
1 NY-235 $10.00 National Union 110% 900 / 1050Gm used (wb) globe tube - engraved base (pl)
1 NY-235 $10.00 National Union 100% 750 / 1050Gm used (wb) globe tube - engraved base (pl)
1 NY-235 $5.00 National Union 85% 700 / 1050Gm used (wb) globe tube - engraved base
1 235 $9.00 RCA 100% 900 / 1050Gm used (wb) globe tube - engaved base
1 235 $8.00 RCA 90% 800 / 1050Gm used (wb) globe tube - engraved base
1 235 $7.00 RCA 85% 800 / 1050Gm used (wb) globe tube - engraved base
1 235 $7.00 RCA 85% 900 / 1050Gm used (wb) globe tube - engraved base
1 235 $5.00 RCA 60% 500 / 1050Gm used (wb) globe tube - engraved base
1 235 $8.00 Silvertone 95% 1020 / 1050Gm used (wb) globe tube - engraved base
1 235 $8.00 Silvertone 90% 850 / 1050Gm used (wb) globe tube - engraved base
1 235 $10.00 Westinghouse 100% 850 / 1050Gm used (wb) globe tube - cat:403-204
1 35 $8.00 RCA 95% 1000 / 1050Gm used (wb) globe tube - engraved base - cat:312-131
1 35 $7.00 RCA 80% 800 / 1050Gm used (wb) globe tube - engraved base
1 35 $8.00 Philco 90% 950 / 1050Gm used (wb) globe tube - engraved base (pl)
1 35 $9.00 Gold Seal 100% 1150 / 1050Gm used (wb) metal tube
1 C-335 $6.00 Cunningham 90% 850 / 1050Gm used (wb) globe tube - engraved base - particles inside
1 36 $15.00 RCA 140% 1250 / 1050Gm used (wb) globe tube - engraved base
1 36 $15.00 Tung-Sol 150% 1400 / 1050Gm used (wb) globe tube - engraved base
1 36 $14.00 Federal Tube 130% 1450 / 1050Gm used (wb) globe tube (pl)
1 36 $12.00 Sylvania 115% 1150 / 1050Gm used (wb) globe tube - engraved base
1 36 $12.00 Philco 130% 1350 / 1050Gm used (wb) globe tube - engraved base (pl)
1 36 $10.00 Philco 110% 1100 / 1050Gm used (wb) globe tube - engraved base
1 36 $10.00 Philco 110% 1000 / 1050Gm used (wb) globe tube - engraved base
1 36 $10.00 Philco 110% 1150 / 1050Gm used (wb) globe tube - engraved base (pl)
1 36 $900 Philco 100% 1100 / 1050Gm used (wb)
1 36 $8.00 Philco 90% 1050 / 1050Gm used (wb) globe tube - engraved base
1 C337 $20.00 Cunningham 80% 1000 / 900Gm used (L) globe tube - black cylinder plate - engraved base (cat:411-14)
1 39 $20.00 Majestic 110% 1200 / 1000Gm used (wb) globe tube - engraved base - leaky (5Mohm)
1 45 $90.00 Roxy 110% 2000 / 1850Gm used (wb) globe tube - bayonet pin
1 51 $10.00 Brunswick 120% 1250 / 1050Gm used (wb) globe tube - engraved base
1 551 $10.00 Crosley by Arcturus 120% 1250 / 1050Gm used (wb) globe tube - engraved base
1 GY-551 $10.00 Airline 110% 1050 / 1050Gm used (wb) globe tube - engraved base
1 Z-51 $8.00 Zenith 90% 900 / 1050Gm used (wb) globe tube - engraved base - particles inside - rattle in base
1 G-51-S $8.00 Majestic 90% 950 / 1050Gm used (wb) globe tube - engraved base - paint shield
1 VY-251 $6.00 unknown 110% 1050 / 1050Gm used (wb) globe tube - engraved base (loose cap)
1 56 $50.00 Tung-Sol 150% 2400 / 1450Gm used (wb) globe tube - engarved base (pl) black plate
1 56 $45.00 JRC 140% 2000 / 1450Gm used (wb) globe tube - engraved base - black plate
1 G-56 $45.00 Majestic 140% 2050 / 1450Gm used (wb) globe tube - engraved base (pl) black plate
1 G-56 $45.00 Majestic 120% 1850 / 1450Gm used (wb) globe tube - engraved base - paint shield
1 56 $35.00 Cunningham 90% 1250 / 1450Gm used (wb) globe tube - engraved base - black plate
1 56 $20.00 Silvertone 65% 900 / 1450Gm used (wb) globe tube - engraved base - loose glass inside - black plate
1 56 $15.00 Silvertone 50% 1000 / 1450Gm used (L) globe tube - engraved base (gw-1)
1 56 $40.00 RCA 130% 1900 / 1450Gm used leaky (5M) (L) globe tube - engraved base (gx-2)
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