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
|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|| $4.00|| RCA/deForest|| 100%|| 1500/2000Gm|| used (L)|| (cat:Le) rattle - loose glass inside - bayonet pin
|1 ||826|| $20.00|| Ken-Rad|| 110%|| ---|| NOS (ob)|| damaged box (cat:L1/tx16)
|1 ||8000|| $40.00|| 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|| $40.00|| 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 ||NL-5684/C3J/A|| $10.00|| National Electronics|| untested|| heater ok|| appears unused (ob)|| damaged box (cat:Lc)
(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
Due to the highly volatile nature of the tube business, all Prices are subject to change without notice.
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