MDB Ventures Ballast Tubes

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MDB Ventures Home

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Type: 0 , 1A1 , 1A2/30 , 1B2/31 , 1C1 , 1D1 , 1F1 , 1G1 , 1Y1 , 1Z1 , 4A1 , 6 , 90 , 121B , 140R4 , 165R4 , 165L8 , 185L8 , 185R8 , 250R , 320R4 , 848R48 , BKV51DJ , G-46A1 , 7720-C


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, subminiature, metal, power, transmitter tubes and many more.

MDB Ventures Ballast Tubes
Quantity
Available
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conductance

Description

Notes
1 1A1 $10.00 Philco Tests Good --- NOS (ob) (ST) ballast - clear glass - engraved base
1 1A1 $10.00 Philco Tests Good --- NOS (ob) (ST) ballast - clear glass - engraved base
1 1A1 $10.00 Philco Tests Good --- NOS (ob) (ST) ballast - frosted glass - engraved base - damaged box
1 1A1 $10.00 Super Silvertone Tests Good --- NOS (ob) (ST) ballast - clear glass - damaged box
1 1A2/30 $5.00 Super Silvertone 1/2 bad --- for display (ob) (TT) ballast - clear glass - torn box flap - engraved stepped UX base
1 1B2/31 $5.00 Super Silvertone 1/2 bad --- for display (ob) (TT) ballast - clear glass - crushed box - engraved stepped UX base
1 1C1 $10.00 Philco Tests Good --- NOS (ob) (ST) ballast - sealed in box
1 1C1 $10.00 Philco Tests Good --- NOS (ob) (ST) ballast - frosted glass - engraved base - damaged box
1 1C1 $10.00 Philco Tests Good --- NOS (ob) (ST) ballast - sealed in box
1 1C1 $5.00 Super Silvertone Tests Good --- used (L) (ST) ballast - frosted glass - engraved base (pl)
1 1D1 $10.00 Philco Tests Good --- NOS (ob) (ST) ballast - sealed in box - damaged box
1 1F1 $10.00 Philco Tests Good --- NOS (ob) (ST) ballast - frosted glass - engraved base - damaged box
1 1A1 $10.00 Super Silvertone Tests Good --- NOS (ob) (ST) ballast - clear glass - engraved base - damaged box (pl)
1 1A1 $10.00 Sylvania Tests Good --- NOS (wb) (ST) ballast -frosted glass
1 1G1 $10.00 Super Silvertone Tests Good --- NOS (ob) (ST) ballast - frosted glass - sealed in box
1 1G1 $5.00 Super Silvertone Tests Good --- used (L) (ST) ballast - clear glass - engarved base
1 1Y1 $10.00 Philco Tests Good --- NOS (ob) (ST) ballast - sealed in box
1 1Z1 $10.00 Sylvania Tests Good --- NOS (wb) (ST) ballast - frosted glass
1 4A1 $10.00 Sylvania Tests Good --- NOS (ob) (ST) ballast - frosted glass - damaged box
1 4A1 $10.00 Sylvania Tests Good --- NOS (ob) (ST) ballast - frosted glass
1 4A1 $10.00 Sylvania Tests Good --- NOS (ob) (ST) ballast - sealed in box
1 4A1 $10.00 Sylvania Tests Good --- NOS (ob) (ST) ballast - frosted glass - damaged box
1 4A1 $10.00 Sylvania Tests Good --- NOS (ob) (ST) ballast - frosted glass - US Navy
1 4A1 $10.00 Sylvania Tests Good --- NOS (ob) (ST) ballast - frosted glass - US Navy
1 4A1 $10.00 Sylvania Tests Good --- used (L) (ST) ballast - frosted glass
1 6 $10.00 Philco Tests Good --- NOS (ob) (ST) ballast - clear glass - damaged box - engraved base
1 6 $10.00 Philco Tests Good --- NOS (ob) (ST) ballast - clear glass - damaged box - engraved base
1 6 $5.00 Sylvania Tests Good --- used (ob) (ST) ballast - frosted glass - damaged box
1 12B $10.00 Western Electric? Tests Good --- used (L) (Edison base) ballast - clear glass
1 90 $8.00 Amperite Tests Good --- used (L) (ST) ballast - clear glass - paint on glass - special lamp plug base
1 121B $20.00 Western Electric Tests Good --- NOS (wb) (TT) ballast - clear glass
1 121B $10.00 Western Electric Tests Good --- used (rb) (TT) ballast - clear glass - burn mark on glass - loose base
1 140R4 $10.00 Triad Tests Good --- NOS (ob) (TT) ballast - clear glass - damaged box - engraved base - cat:403-89
1 165L8 $5.00 unknown Tests Good --- used (L) (ST) ballast - clear glass
1 185L8 $10.00 Hytron Tests Good --- NOS (ob) (ST) ballast - metal tube - damaged box
1 185R4 $5.00 unknown Tests Good --- used (L) (ST) ballast - gray coat - burn mark on glass
1 185R8 $5.00 Triad Tests Good --- used (ob) (TT) ballast - gray coat - damaged box - cat:403-72
1 250R $10.00 Kadette Tests Good --- NOS (ob) (ST) ballast - gray coat - damaged box
1 250R $10.00 Kadette Tests Good --- NOS (ob) (ST) ballast - gray coat - damaged box - cat:403-88
1 250R $5.00 Kadette Tests Good --- used (L) (ST) ballast - gray coat - cracked base
1 320R4 $5.00 Triad Tests Good --- used (ob) (ST) ballast - gray coat
1 848R48 $5.00 International Tests Good --- used (L) (ST) ballast - clear glass - engraved base
1 848R48 $5.00 International Tests Good --- used (L) (ST) ballast - clear glass - engraved base
1 BKV51DJ $10.00 JFD Tests Good --- NOS (ob) (ST) ballast - 5 pin metal tube - damaged box
1 G-46A1 $10.00 MAjestic Tests Good --- NOS (ob) (ST) ballast - paint shield - engraved base - box flap missing - cat:403-922
1 G-46A1 $10.00 MAjestic Tests Good --- NOS (ob) (ST) ballast - paint shield - engraved base - box flap missing - cat:403-922
1 7720-C $10.00 Clarostat Tests Good --- NOS (ob) wall plug ballast/voltage regulator - box top missing - automatic line voltage regulator (100 watts?)
1 0 $10.00 Clarostat Tests Good --- NOS (OB) wall plug ballast/voltage regulator - 50 watts automatic line voltage regulator type no. 0

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, TT=Tall Tubular 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 ballast 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.



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Email: MDB Ventures sales@mdbventures.com