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 6BL6 $50.00 Litton untested sealed in packing NOS (ob) damaged box - klystron
1 6BL6 $50.00 Litton untested sealed in packing NOS (ob) damaged box - klystron
1 6BL6 $50.00 Litton untested sealed in packing NOS (ob) damaged box - klystron
1 ZV1009 $20.00 Polarad Velocitron untested heater ok used (ob) ceramic klystron - ser no 1225 - in original plastic case
1 4028A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 4028A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 4028A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 4028A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 4028A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 4062A $15.00 RCA untested sealed NOS (OB) foil pouch opened
1 4062A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 4062A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 5675 $20.00 GE untested sealed NOS (OB) sealed in foil pouch
1 5675 $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 5675 $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 5675 $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 5675 $5.00 RCA untested heater ok used (ob) ---
1 5763 $2.50 RCA 115% 7500 / 5000Gm Used (L) (M9) (cat:N1)
1 5763 $2.50 RCA 120% 9000 / 5000Gm Used (L) (M9) (cat:N1)
1 5763 $2.50 GE 110% 7000 / 5000Gm Used (L) (M9) (cat:N1)
1 5763 $2.50 GE 120% 7500 / 5000Gm Used (L) (M9) (cat:N1)
1 5794 $40.00 RCA untested sealed NOS (OB) sealed in original plastic wrap - US navy
1 5876A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 5876A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 5876A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 5876A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 5876A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 5876A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 5876A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 5876A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 5876A $10.00 RCA untested heater ok nos? (OB) pouch opened appears unused
1 5876A $10.00 Raytheon untested heater ok nos? (OB) appears unused
1 5876A $10.00 RCA untested heater ok nos? (wb) appears unused (cat:503-13)
1 5899 $10.00 Sylvania untested --- NOS (OB) (SM) sub-mini pentode - 6.3V 150mA fil - 67V plate
1 6173 $10.00 RCA untested heater ok NOS (ob) cat:503-10
1 6173 $10.00 RCA untested heater ok NOS (ob) cat:503-11
1 6173 $5.00 RCA untested heater ok NOS (rb) cat:503-12
1 6923 $25.00 Amperex untested heater ok NOS (OB) ---
1 6923 $25.00 Amperex untested heater ok NOS (OB) ---
1 6923 $25.00 Amperex untested heater ok NOS (OB) ---
1 6923 $25.00 Amperex untested heater ok NOS (OB) ---
1 6264A $40.00 Wagner Electric untested sealed NOS (OB) sealed in foil pouch
1 6264A $40.00 Wagner Electric untested sealed NOS (OB) sealed in foil pouch
1 6264A $40.00 Wagner Electric untested sealed NOS (OB) sealed in foil pouch
1 6264A $40.00 Wagner Electric untested sealed NOS (OB) sealed in foil pouch
1 6263A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 6263A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 6263A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 6263A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 6263A $20.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 6360A $2.50 Amperex 110% / 120% 6500: 6500 / 5000Gm NOS (wb) (cat:TX-N1)
1 6360A $2.50 National Electronics 110% / 110% 6000: 5500 / 5000Gm NOS (OB) (cat:TX-N1)
1 6360A $2.50 GE 130% / 130% 6750: 7000 / 5000Gm NOS (OB) (cat:TX-N1)
1 6360A $2.50 Westinghouse 140% / 110% 7500: 6000 / 5000Gm NOS (wb) (cat:TX-N1)
1 6360 $3.00 Amperex 130% / 120% 7500: 6500 / 5000Gm NOS (OB) (cat:TX-N1) JAN
1 6360 $2.50 Amperex 110% / 110% 6000: 6500 / 5000Gm NOS (OB) (cat:TX-N1)
1 6360 $2.50 Amperex 120% / 110% 6500: 6000 / 5000Gm NOS (OB) (cat:TX-N1)
1 6360 $2.50 Amperex 100% / 110% 5000: 5500 / 5000Gm NOS (OB) (cat:TX-N1)
1 6360 $2.50 Amperex 110% / 120% 6000: 6250 / 5000Gm NOS (wb) (cat:TX-N1)
1 6360 $2.50 GE 125% / 125% 6500: 6250 / 5000Gm NOS (OB) (cat:TX-N1)
1 6360 $2.50 Sylvania 110% / 110% 5600: 5600 / 5000Gm NOS (OB) (cat:TX-N1)
1 6360 $2.50 Sylvania 120% / 100% 5800: 5600 / 5000Gm NOS (OB) (cat:TX-N1)
1 6360 $2.00 Amperex 110% / 120% 6000: 7000 / 5000Gm used (L) (cat:TX-N1) gold pins
1 6360 $1.50 RCA 115% / 100% 6750: 5500 / 5000Gm used (rb`) (cat:TX-N1)
1 6360 $1.50 RCA 100% / 120% 6500: 5500 / 5000Gm used (L) (cat:TX-N1)
1 6360 $1.50 Amperex 100% / 110% 5500: 5500 / 5000Gm used (rb) (cat:TX-N1)
1 6360 $1.50 Amperex 110% / 100% 5500: 5500 / 5000Gm used (L) (cat:TX-N1)
1 6360 $1.50 Amperex 130% / 110% 6250: 6000 / 5000Gm used (L) (cat:TX-N1)
1 6360 $1.50 Amperex 115% / 110% 6500: 6500 / 5000Gm used (L) (cat:TX-N1)
1 6360 $1.00 Amperex 90% / 90% 4500: 4500 / 5000Gm used (rb) (cat:TX-N1)
1 6360 $1.00 Amperex 90% / 85% 5000: 4500 / 5000Gm used (L) (cat:TX-N1)
1 6360 $1.00 Amperex 90% / 100% 5500: 5500 / 5000Gm used (L) (cat:TX-N1)
1 6360 $1.00 GE 90% / 110% 5500: 6500 / 5000Gm used (L) (cat:TX-N1)
1 6360 $1.00 Sylvania 90% / 100% 5000: 5500 / 5000Gm used (L) (cat:TX-N1)
1 6360 $1.00 Sylvania 90% / 90% 5500: 5000 / 5000Gm used (rb) JAN - (cat:TX-N1)
1 6360 $0.50 Sylvania 85% / 110% 4000: 5000 / 5000Gm used (L) (cat:TX-N1)
1 6360A $1.50 Sylvania 110% / 120% 6000: 6250 / 5000Gm used (rb) (cat:TX-N1)
1 6360A $1.00 Philips 90% / 90% 5000: 5000 / 5000Gm used (L) (cat:TX-N1)
1 6360A $1.00 Philips 85% / 90% 5000: 5000 / 5000Gm used (L) (cat:TX-N1)
1 6360A $1.00 Philips 90% / 95% 5250: 5250 / 5000Gm used (L) (cat:TX-N1)
1 6360A $1.00 Philips 90% / 100% 5000: 5750 / 5000Gm used (L) (cat:TX-N1)
1 6442 $20.00 GE untested sealed NOS (OB) sealed in foil pouch
1 6481 $20.00 Sylvania untested --- NOS (OB) ---
1 7077 $50.00 GE untested heater ok NOS (OB) (cat:N1)
1 7077 $50.00 GE untested heater ok NOS (OB) (cat:N1)
1 7077 $40.00 GE untested heater ok looks unused (OB) (cat:N1)
1 7233 $10.00 GE 110% / 110% / 110% / 110% 100dmc NOS (wb) (M9) (cat:TX-N1)
1 7233 $5.00 GE 110% / 110% / 110% / 110% 100dmc used (L) (M9) (cat:TX-N1)
1 7233 $5.00 GE 110% / 110% / 110% / 110% 100dmc used (L) (M9) (cat:TX-N1)
1 7233 $5.00 GE 100% / 100% / 100% / 100% 90dmc used (L) (M9) (cat:TX-N1)
1 7233 $4.00 GE 90% / 90% / 90% / 90% 70dmc used (L) (M9) (cat:TX-N1)
1 7233 $4.00 GE 110% / 110% / 110% / 110% 100dmc used leaky (1M) (L) (M9) (cat:TX-N1)
1 7233 $4.00 GE 110% / 110% / 110% / 110% 110dmc used leaky (1M) (L) (M9) (cat:TX-N1)
1 7233 $3.00 GE 95% / 95% / 95% / 95% 75dmc used leaky (1M) (L) (M9) (cat:TX-N1)
1 7233 $3.00 GE 90% / 90% / 90% / 90% 90dmc used leaky (2M) (L) (M9) (cat:TX-N1)
1 7289 $10.00 Machlett untested sealed NOS (OB) JAN - sealed in foil pouch
1 7289 $10.00 GE untested sealed NOS (OB) JAN - sealed in foil pouch
1 7289 $8.00 GE untested heater ok NOS? (OB) JAN - foil pouch opened but looks new
1 7370 $10.00 Collins 110% / 110% 120 / 120dmc used good (rb) (M9) (cat:tx-N1)
1 7370 $5.00 unknown 110% / 90% 120 / 100dmc used good (wb) (M9) (cat:tx-N1)
1 7554 $40.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 7554 $40.00 RCA untested sealed NOS (OB) sealed in foil pouch
1 7699 $5.00 Amperex 90% / 90% 80 / 80dmc Used (rb) (M9) (cat:N1)

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