MDB Ventures Industrial, Ham Radio Transmitter and Power 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 Industrial, Ham Radio Transmitter and Power Tubes
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 2C39 $5.00 GE 120% --- NOS (OB) JAN (cat:16)
1 2C39 $5.00 GE 110% --- NOS (ob) damaged box (cat:16)
1 2C39 $2.00 Eimac 120% --- used (wb) US Navy (cat:16)
1 2C39-A $2.00 Eimac 120% --- used (L) --- (cat:16 : 504-2) JAN
1 2C39-A $2.00 Machlett 110% --- used (L) --- (cat:16 : 504-1) US Navy
1 2C39-A $2.00 Machlett 120% --- used (L) --- (cat:16 : 504-4) US Navy
1 2C39 $2.00 Eimac 90% --- used (wb) US Navy (cat:16)
1 2C39 $2.00 GE 85% --- used (ob) US Navy (cat:16)
1 2C39 $2.00 GE 85% --- used (ob) US Navy (cat:16)
1 2C39-A $2.00 Machlett 90% --- used (wb) JAN (cat:16)
1 2C39-A $2.00 Machlett 90% --- used (rb) --- (cat:16)
1 2C39-A $2.00 Machlett 85% --- used (rb) --- (cat:16)
1 2C39-A $2.00 Machlett 85% --- used (rb) --- (cat:16)
1 2C39-A $2.00 GE 90% --- used (L) US navy (cat:16 : 504-3) bent radiator
1 2C40 $10.00 RCA 110% 3800 / 2800 NOS (OB) (cat:16) JAN
1 2C40 $10.00 RCA 110% 3800 / 2800 NOS (wb) (cat:16)
1 2C40 $10.00 RCA untested sealed NOS (OB) sealed in foil packet (cat:16)
1 2C43 $2.00 GE 140% 4800 / 4000Gm used (L) (cat:16)
1 2C43 $2.00 GE 150% --- used (ob) JAN (cat:16)
1 2C43 $2.00 GE 130% 4800 / 4000Gm used (ob) (cat:tx-16)
1 2C43 $2.00 GE 100% 4200 / 4000Gm used (ob) (cat:tx-16)
1 2C46 $10.00 GE untested sealed NOS (wb) JAN (cat:16) sealed in plastic
1 2C46 $10.00 GE untested sealed NOS (ob) sealed in foil packet - box flap missing (cat:16)
1 2C46 $5.00 GE has emission 1350 / 2800 used (wb) (cat:16) tested as 2C43
1 2C46 $5.00 GE has emission 2000 / 2800 used (wb) (cat:16) tested as 2C43
1 2C46 $5.00 GE untested heater ok used (L) (cat:16 : 504-6)
1 2C46 $5.00 GE untested heater ok used (L) (cat:16 : 504-7)
1 3C30 $10.00 Hytron untested heater ok used (rb) (cat:16) brown base - has emission
1 3C30 $10.00 Hytron untested heater ok used (rb) (cat:16) brown base - has emission
1 446-A $5.00 RCA untested sealed NOS (ob) US Navy (cat:tx-16) sealed in original packing
1 446-A $5.00 GE untested sealed NOS (OB) sealed in foil packet - US Navy (cat:16)
1 446-A $5.00 GE untested sealed NOS (OB) sealed in foil packet - US Navy (cat:16)
1 446-A $5.00 GE untested sealed NOS (L) sealed in original bag (cat:16)
1 446-A $5.00 GE untested sealed NOS (L) sealed in original bag (cat:16)
1 446-A $5.00 GE untested sealed NOS (L) sealed in original bag (cat:16)
1 446-A $5.00 GE untested sealed NOS (L) sealed in original bag (cat:16)
1 446-A $5.00 GE 120% 4000 / 1560Gm NOS (OB) US Navy (cat:16)
1 446-A $2.00 GE 120% 3800 / 4000Gm used (L) US Navy (cat:16)
1 446-A $2.00 GE 100% 3600 / 4000Gm used (L) US Navy (cat:16)
1 446-A $2.00 GE 120% 3800 / 4000Gm used (L) US Navy (cat:16)
1 446-A $2.00 GE 150% 4500 / 4000Gm used (L) US Navy (cat:16)
1 446-A $2.00 RCA 100% 3900 / 4000Gm used (ob) US Navy (cat:tx-16)
1 446-A $2.00 GE 100% 4000 / 4000Gm used (rb) (cat:tx-16)
1 836 / VT236 $20.00 RCA 110% --- NOS (ob) JAN - damaged box (cat:16)
1 836 / VT236 $20.00 RCA 110% --- NOS (ob) JAN - damaged box (cat:16)
1 836 / VT236 $20.00 RCA 110% --- NOS (ob) JAN - damaged box (cat:16)
1 836 $10.00 GE 100% --- used (L) --- (cat:16)
1 836 / VT236 $5.00 RCA 80% --- used (L) JAN (cat:16)
1 836 $5.00 Raytheon 80% --- used (L) --- (cat:16)

Notes:
(OB) = original box, (rb) = relabeled/replacement box, (wb) = white box, (L) = loose (no box), (pl) = paper label on tube (original or third party)
(H) = tested on Hickok 539A
(ST)=ST Style, (GT)=GT Style, (TT)=Tall Tubular, (M7)=7pin miniature, (M9)=9pin miniature, (A)=Acorn, (N)=Nuvistor, (SM)=subminiature, JAN = Military
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 Industrial, Ham Radio Transmitter and Power 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