MDB Ventures Industrial, Ham Radio Transmitter and Power Tubes

Save on NOS and Used Industrial, Ham Radio Transmitter and Power Tubes!

MDB Ventures Home

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Type: 203 , 211 , 838 , ZB120

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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, miniature, Nuvistor, subminiature, metal, power, transmitter tubes and many more. MDB Ventures Industrial, Ham Radio Transmitter and Power Tubes Quantity Available Tube Type Price Each Tube Brand Emission Strength Mutual Conductance Description Notes 1 203-A $110.00 Sylvania 110% 1950/1800Gm used (L) graphite plate - clear bulb 1 203-A $110.00 United Electronics 110% 2050/1800Gm used (L) graphite plate - clear bulb 1 UV-203-A $90.00 RCA 90% 1600/1800Gm used (L) graphite plate - clear bulb 1 UV-203-A $90.00 RCA 90% 1600/1800Gm used (L) graphite plate - clear bulb 1 203-B $100.00 Taylor Tube 100% 1900/1800Gm used (L) metal plate - clear bulb 1 203-B $75.00 Taylor Tube 100% 1900/1800Gm used (L) metal plate - burned plate 1 211-C/VT-4C $100.00 GE 70% 2250/2000Gm used (L) graphite plate - clear bulb 1 838 $50.00 United Electronics 90% 800/750Gm used (L) graphite plate - clear bulb 1 838 $50.00 Amperex 110% 800/750Gm used (L) graphite plate - clear bulb 1 ZB120 $80.00 Amperex 100% 1250/1200Gm used (L) brass base - rattle in base - graphite plate - clear bulb - ser#: 27 (like 203/211) 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, 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. Contact MDB Ventures sales@mdbventures.com Due to the highly volatile nature of the tube business, all Prices are subject to change without notice. Go back to the TOP Industrial, Ham Radio Transmitter and Power Vacuum Tube List Shipping and Handling Information MDB Ventures Home Don't forget to visit our Discount Bargain Packs for more savings! Email: MDB Ventures sales@mdbventures.com