MDB Ventures Industrial, Ham Radio Transmitter and Power Tubes

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

Also be sure to see our
Audio tube listings
and
Radio Vacuum Tube List
and
Large Radio Vacuum Tube List
and
"G" Style Radio Vacuum Tube List
for more audio and rectifier tubes.


                                                                                   


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 1A3 $1.00 RCA 100% --- NOS (OB) JAN - white lettering
1 1A3 $1.00 RCA 110% --- NOS (OB) US Army/US Navy - white lettering (tx:3)
1 1A3 $1.00 RCA 110% --- NOS (OB) US Army/US Navy - white lettering (tx:3)
1 1A3 $1.00 RCA 110% --- NOS (OB) US Army/US Navy - white lettering (tx:3)
1 1A3 $1.00 RCA 110% --- NOS (OB) US Army/US Navy - white lettering (tx:3)
1 1A3 $1.00 RCA 110% --- NOS (OB) US Army/US Navy - white lettering (tx:3)
1 1A3 $1.00 RCA 110% --- NOS (OB) US Army/US Navy - white lettering (tx:3)
1 1A3 $1.00 RCA 115% --- NOS (OB) US Army/US Navy - white lettering (tx:3)
1 1A3 $1.00 RCA 115% --- NOS (OB) US Army/US Navy - white lettering (tx:3)
1 1A3 $1.00 RCA 120% --- NOS (OB) white lettering (tx:3)
1 1A3 $1.00 RCA 110% --- NOS (OB) white lettering (tx:3)
1 1A3 $1.00 RCA 110% --- NOS (OB) white lettering (tx:3)
1 1A3 $1.00 RCA 110% --- NOS (OB) JAN - green lettering (tx:3)
1 1A3 $1.00 RCA 110% --- NOS (OB) JAN - green lettering (tx:3)
1 1A3 $1.00 RCA 110% --- NOS (OB) JAN - green lettering (tx:3)
1 1A3 $1.00 RCA 110% --- NOS (OB) JAN - green lettering (tx:3)
1 1A3 $1.00 RCA 100% --- NOS (OB) JAN - green lettering (tx:3)
1 1A3 $1.00 National Union 110% --- NOS (OB) US Army/US Navy (tx:3)
1 1A3 $1.00 National Union 110% --- NOS (OB) US Army/US Navy (tx:3)
1 1A3 $1.00 National Union 110% --- NOS (OB) US Army/US Navy (tx:3)
1 1A3 $1.00 National Union 115% --- NOS (OB) US Army/US Navy (tx:3)
1 1A3 $1.00 National Union 120% --- NOS (OB) US Army/US Navy - damaged box (tx:3)
1 1A3 $1.00 National Union 115% --- NOS (wb) JAN (tx:3)
1 1A3 $1.00 National Union 120% --- NOS (wb) --- (tx:3)
1 1A3 $0.50 RCA 120% --- used (rb) JAN - black lettering (tx:3)
1 1A3 $0.50 RCA 110% --- used (L) --- (tx:3)
1 1A3 $0.50 RCA 110% --- used (L) --- (tx:3)
1 1A3 $0.50 Sylvania 115% --- used (L) --- (tx:3)
1 1A3 $0.50 Sylvania 120% --- used (L) --- (tx:3)
1 1A3 $0.50 Crosley 110% --- used (L) --- (tx:3)
1 1A3 $0.50 Emerson 115% --- used (L) --- (tx:3)
1 1A3 $0.50 unknown 110% --- used (L) --- (tx:3)
1 1B23 $1.00 Western Electric untested spark gap used (L) mount ring bent - US Navy
1 1B23 $1.00 Western Electric untested spark gap used (L) mount ring bent - US Navy
1 1B23 $2.00 Western Electric untested spark gap used (L) ---
1 1B23 $2.00 Western Electric untested spark gap used (L) ---
1 1B23 $2.00 Western Electric untested spark gap used (L) ---
1 1B23 $2.00 Western Electric untested spark gap used (L) ---
12 1B32 / 532A $5.00 each Westinghouse untested spark gap NOS (OB) JAN (cat:tx-3a)
1 1B32 / 532A $5.00 Westinghouse untested spark gap NOS (OB) JAN - box flap missing (cat:tx-3a)
1 1B40 $20.00 Bomac untested TR tube NOS (OB) JAN - sealed in foil pouch
1 1B59 / R1130B $10.00 Sylvania untested modulator lamp diode used (wb) black coat
1 1B59 / R1130B $10.00 Sylvania untested modulator lamp diode used (wb) black coat
1 3B2 $2.50 RCA 120% --- NOS (OB) NOS (OB)
1 3B22 $20.00 Electrons Inc 120% --- NOS (OB) for Collins Radio
1 3B24-W $10.00 Raytheon 120% --- NOS (OB) brown base - cat:401-328
1 3B24-W $10.00 Raytheon 120% --- NOS (OB) JAN - brown base - cat:401-331
1 3B24-W $10.00 Lewis Electroncis 120% --- NOS (OB) JAN - brown base
1 3B24-W $10.00 Lewis Electroncis 120% --- NOS (OB) JAN - brown base
1 3B24-W $10.00 Cetron 120% --- NOS (OB) JAN - brown base - cat:401-380
1 3B24 $5.00 Raytheon 175% --- used (L) JAN - cat:401-1
1 3B24 $5.00 Raytheon 175% --- used (L) JAN - cat:401-10
1 CW-3B24 $8.00 Western Electric 100% --- used (L) engraved base cat:402-8
1 CW-3B24 $5.00 Western Electric 60% --- used (L) engraved base cat:401-458
1 3B25 $5.00 RCA 110% --- used (rb) US Navy
1 3B26 $10.00 Raytheon 120% --- NOS (wb) ---
1 3B26 $10.00 Raytheon 120% --- NOS (ob) damaged box
1 3B29 $20.00 United Electronics 120% --- NOS (wb) graphite plate
1 3B29 $10.00 General Electronics 120% --- used (rb) metal plate
1 3C45 $10.00 Kuthe Laboratories untested heater ok used (L) brown base (see 6130)
1 3C45 $5.00 Kuthe Laboratories untested heater ok used (L) brown base (see 6130) white particles inside
1 6CF $10.00 Electrons Inc untested heater ok used (L)
1 583 $20.00 Chatham Electronics 120% --- NOS (wb) ---
1 6130 $10.00 Kuthe Laboratories untested heater ok used (L) brown base (3C45 with extended plate cap)
1 8013-A $10.00 RCA untested heater ok used ---
1 8013 $10.00 RCA untested heater ok used (rb) (cat:Le)
1 GLC1A $10.00 G.E. untested filament ok used (L) fires ok
1 RKR-73 $25.00 Raytheon untested heater ok NOS (OB) US Navy - 28 May 1943 - Includes Navy documents - damaged box
1 RKR-73 $25.00 Raytheon untested heater ok NOS (OB) US Navy - 7 May 1943
1 RX-233 / 2C33 $4.50 Ratheon 100% --- used (L) ---
1 RX-233A / 2C33 $4.50 Ratheon 120% --- used (L) ---
1 WE-721A $5.00 Western Electric untested spark gap used (L) mount ring bent - US Navy

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.


Go back to the TOP

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


Gmail Users
Please read this note about incorrectly declared email as spam.
This can be an issue as well with other free email providers like Hotmail, AOL, and Yahoo.


MDB Ventures Home


Contact MDB Ventures
sales@mdbventures.com
or
sales@fourwater.com