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
1 807 $12.00 RCA 120% 5600 / 3800Gm NOS (OB) mica supports - damaged box (cat:12a)
1 807 $12.00 RCA 110% 5300 / 3800Gm NOS (OB) mica supports (cat:12a)
1 807 $12.00 GE 120% 5300 / 3800Gm NOS (OB) mica supports (cat:12a) white lettering - gray plate
1 807 $12.00 GE 120% 5600 / 3800Gm NOS (OB) mica supports (cat:12a) white lettering - black plate
1 807 $12.00 GE 120% 5600 / 3800Gm NOS (OB) mica supports (cat:12a) white lettering - gray plate
1 807 $12.00 National Union 120% 5600 / 3800Gm NOS (wb) mica supports (cat:312-263) damaged box
1 807 $12.00 RCA 110% 5500 / 3800Gm NOS (OB) mica supports (cat:312:268 - 12a)
1 807 $12.00 RCA 120% 5800 / 3800Gm NOS (OB) mica supports (cat:12a) damaged box
1 807 $12.00 RCA 110% 5300 / 3800Gm NOS (OB) mica supports (cat:12a)
1 807 $12.00 National Electronics 110% 5300 / 3800Gm NOS (wb) (cat:12a)
1 807 $12.00 National Electronics 110% 5400 / 3800Gm NOS (wb) mica supports (cat:12a)
1 807 $12.00 Sylvania 120% 5600 / 3800Gm NOS (OB) mica supports (cat:12a)
1 807 $5.00 Motorola 110% 5800 / 3800Gm used (rb) mica supports (cat:12a)
1 807 $5.00 RCA 110% 4100 / 3800Gm used (ob) JAN - mica supports (cat:12a)
1 807 / VT-100-A $5.00 Sylvania 100% 4000 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $6.00 unknown 140% 4200 / 3800Gm used (L) ceramic spacers (cat:12c) Holland
1 807 $5.00 GE 100% 3800 / 3800Gm used (L) ceramic spacers (cat:12c) England
1 807 / VT-100-A $5.00 Westinghouse 120% 4100 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $5.00 Westinghouse 115% 5000 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 / VT-100-A $3.00 National Union 95% 4200 / 3800Gm used (L) JAN - ceramic spacers (cat:12c)
1 807 / VT-100-A $3.00 National Union 90% 3800 / 3800Gm used (L) JAN - ceramic spacers (cat:12c)
1 807 / VT-100-A $5.00 National Union 100% 4200 / 3800Gm used (L) JAN - ceramic spacers (cat:12c)
1 807 $5.00 GE 120% 4400 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $5.00 GE 130% 4600 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $5.00 GE 120% 4900 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $5.00 GE 110% 4800 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $5.00 GE 100% 4500 / 3800Gm used (L) ceramic spacers (cat:401-538-5 - 12c)
1 807 $5.00 GE 100% 4100 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $5.00 GE 120% 5000 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $5.00 GE 110% 4400 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $5.00 GE 100% 3900 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $5.00 RCA 115% 5000 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $5.00 RCA 120% 3800 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $3.00 RCA 90% 3400 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $3.00 RCA 90% 3700 / 3800Gm used (L) ceramic spacers (cat:12c)
1 807 $5.00 Westinghouse 110% 3400 / 3800Gm used (L) mica supports (cat:12c)
1 807 $5.00 RCA 120% 3600 / 3800Gm used (L) mica supports (cat:12c)
1 807 $5.00 RCA 130% 4700 / 3800Gm used (L) mica supports (cat:12c)
1 807 $5.00 RCA 120% 3800 / 3800Gm used (L) mica supports (cat:12c)
1 807 $5.00 RCA 110% 4000 / 3800Gm used (L) mica supports (cat:12c) loose base
1 807 $3.00 RCA 90% 3800 / 3800Gm used (L) mica supports (cat:12c)
1 807 $4.00 unknown 120% 4400 / 3800Gm used (L) mica supports (cat:12c)
1 5933-WA / 807-WA $10.00 Sylvania 110% 4800 / 3800Gm used (ob) torn box flap - JAN (cat:12a)
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