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 4-125A $20.00 Eimac untested heater ok used (L) clear bulb
1 4-125A $20.00 Eimac untested heater ok used (L) clear bulb
1 4-125A $20.00 Eimac untested heater ok used (L) clear bulb (cat:411-26 - TX-10)
1 4-125A $20.00 Eimac untested heater ok used (L) clear bulb (cat:411-26 - TX-10)
1 4-250A $20.00 Eimac untested heater ok used (L) clear bulb
1 6BD4A $5.00 RCA 120% --- NOS (ob) box damaged (cat:401-364)
1 15E $20.00 Eimac untested heater ok looks NOS (OB) JAN
1 15E $20.00 Eimac untested heater ok NOS (OB) JAN
1 15E* $20.00 Eimac untested heater ok NOS (OB) JAN
1 15E* $20.00 Eimac untested heater ok NOS (OB) JAN
1 VT129 / 304TL $50.00 Eimac untested heaters ok used (L) loose base - clear bulb
1 804 $25.00 RCA 120% --- used (OB) in blue RCA World box (cat:401-354)
1 828 $40.00 GE 100% --- NOS (ob) brown base (cat:401-366) in RCA box - includes service report form
1 GL-6807 $40.00 GE untested heater ok appears unused (ob) damaged box (cat:401-365)
1 6807 $40.00 GE untested heater ok NOS (L) clear bulb - no scratches

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