MDB Ventures Industrial, Ham Radio Transmitter and Power Tubes

Save on NOS and Used Industrial, Ham Radio Transmitter and Power Tubes!

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Type: 3D21 , 4-65 , 4D32 , 4E27 , 35-T , 54 , 705 , 715 , 725 , 802 , 811 , 813 , 826 , 8000 , 8020 , 8462 , CW-38412 , HY-61 , HY-65 , HY-69 , 5684/C3J , VT-127


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, miniature, Nuvistor, subminiature, metal, power, transmitter tubes and many more.

MDB Ventures Industrial, Ham Radio Transmitter and Power Tubes
Quantity
Available
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conductance

Description

Notes
1 3D21-A $10.00 Hytron untested heater ok used (rb) (cat:Lo) brown base - has emission - US Navy
1 4-65-A $10.00 Eimac untested heater ok used (L) (cat:Le)
1 4-65-A $10.00 Eimac untested heater ok used (L) (cat:Le)
1 4-65-A $10.00 Eimac untested heater ok used (L) (cat:Le)
1 4-65-A $10.00 Eimac untested heater ok used (L) (cat:Le)
1 4-65-A $10.00 Eimac untested heater ok used (L) (cat:Le)
1 4-65-A $10.00 Eimac untested heater ok used (L) (cat:Le) top cap adapter missing
1 4-65-A $10.00 Philips untested heater ok used (L) (cat:Le)
1 4-65-A $5.00 unknown untested heater ok used (L) (cat:Le)
1 4D32 $10.00 Raytheon untested heater ok used (ob) (cat:Le)
1 4E27 $35.00 Lewis Electronics untested heater ok NOS (OB) JAN (cat:Lc)
1 4E27 $35.00 Lewis Electronics untested heater ok NOS (OB) JAN (cat:Lc) damaged box
1 4E27/257B $15.00 Heinz-Kaufman Gammatron untested heater ok appears unused (ob) box damaged (cat:Lc)
1 4E27/257B $10.00 Heinz-Kaufman Gammatron untested heater ok used (rb) (cat:Lc)
1 4E27/257B $10.00 Heinz-Kaufman Gammatron untested heater ok used (rb) (cat:Lc)
1 4E27 $10.00 Lewis Electronics untested heater ok used (rb) (cat:Lc)
1 4E27 $15.00 Heintz Kaufman Gammatron untested heater ok used (rb) clear bulb (cat:Lo)
1 4E27 $15.00 Heintz Kaufman Gammatron untested heater ok used (L) clear bulb (cat:Lo)
1 4E27 $15.00 Lewis Electronics untested heater ok used (L) clear bulb (cat:Lo)
1 35-TG $75.00 Eimac 110% NOS JAN - ceramic base (cat:Lo)
1 35-TG $35.00 Eimac 100% --- used (rb) JAN - ceramic base (cat:Lo)
1 35-T $35.00 Eimac 110% --- used (L) JAN - (cat:402-72 - Lo)
1 35-T $35.00 Eimac 100% --- used (L) JAN - (cat:402-73 - Lo)
1 54 $40.00 Heintz Kaufman Gammatron 120% --- NOS (OB) cat:Le)
1 705A $20.00 Tung-Sol untested heater ok unused (ob) appears to be unused (cat:Le) damaged box
1 705A $20.00 Lewis Kaufman untested heater ok used (L) (cat:Ka)
1 715B $20.00 Raytheon untested heater ok unused (ob) appears to be unused (cat:Lo) damaged box
1 725A $25.00 Western Electric untested heater ok NOS (OB) (cat:402-74:tx-k1) WWII Magnatron 9345 to 9405 MHz
1 802 $10.00 RCA/deForest 100% 2200/2000Gm NOS (wb) (cat:Le) engraved base - bayonet pin
1 802 $5.00 Westinghouse 100% 2000/2000Gm used (L) (cat:Le) engraved base - bayonet pin
1 802 $4.00 RCA/deForest 100% 1500/2000Gm used (L) (cat:Le) rattle in base - bayonet pin
1 811 $10.00 unknown 90% 1150/1350Gm used (wb) (cat:Le)
1 811 $10.00 unknown 90% 1150/1350Gm used (wb) (cat:Le)
1 813 $15.00 Raytheon untested heater ok used (OB) (cat:Lc) loose cap
1 813 $20.00 RCA untested heater ok used (rb) (cat:Le) graphite plate
1 826 $30.00 RCA 110% --- NOS (ob) (cat:Lo)
1 826 $30.00 RCA 110% --- NOS (wb) (cat:Lo)
1 826 $30.00 Ken-Rad 110% --- NOS (ob) damaged box (cat:Lo)
1 826 $20.00 Ken-Rad 110% --- use (ob) (cat:Lo)
1 8000 $45.00 RCA untested heater ok used (OB) (cat:Lc)
1 8020 $20.00 GE 120% --- NOS (OB) (cat:Lo) US Navy
1 8020 $10.00 GE 130% --- used (ob) (cat:Lo) US Navy
1 8020 $8.00 GE 100% --- used (ob) (cat:Lo)
1 8462 $50.00 RCA untested heater ok NOS (OB) (cat:Lc)
1 CW-38412 $50.00 Western Electric 110% --- unused (L) appears unused (cat:Le) four pillar tube construction - US Navy - ser:2388 - ceramic base
1 HY-61 $10.00 Hytron 100% --- used (L) (cat:Le) ceramic base
1 HY-65 $20.00 Hytron 100% --- used (L) (cat:Lo)
1 HY-65 $20.00 Hytron 125% --- used (L) (cat:Le)
1 HY-69 $10.00 Hytron 110% --- used (L) (cat:Lo) ceramic base
1 HY-69 $10.00 Hytron 110% --- used (L) (cat:Lo) ceramic base
1 NL-5684/C3J/A $20.00 National Electronics untested heater ok appears unused (ob) damaged box (cat:Lc)
1 NL-5684/C3J/A $20.00 National Electronics untested heater ok appears unused (ob) (cat:Lc)
1 VT-127A $40.00 Emiac untested heater ok appears unused (OB) (cat:Lc)

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, 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.

Contact MDB Ventures sales@mdbventures.com

Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.



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Don't forget to visit our Discount Bargain Packs and Bargain Bin for more savings!

Email: MDB Ventures sales@mdbventures.com