MDB Ventures Compactron 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 Compactron Tubes
Qty
Avail
Tube
Type
Price
Each
Tube
Brand
Emission
Strength
Mutual
Conduct

Desc

Notes
1 21KA6 $4.00 GE 100% 100dmc NOS (OB) Compactron (cat:CP-21) missing box flap
1 21KA6 $4.00 GE 100% 100dmc NOS (OB) Compactron (cat:CP-21)
1 21KA6 $4.00 Amperex 100% 100dmc NOS (OB) Compactron (cat:CP-21)
1 21KA6 $4.00 Amperex 100% 100dmc NOS (OB) Compactron (cat:CP-21) torn box flap
1 21KA6 $4.00 Sylvania 110% 100dmc NOS (OB) Compactron (cat:CP-21)
1 21KA6 $4.00 Sylvania 100% 110dmc NOS (OB) Compactron (cat:CP-21)
1 21KA6 $4.00 RCA 120% 100dmc NOS (OB) Compactron (cat:CP-21)
1 21KA6 $4.00 RCA 110% 100dmc NOS (OB) Compactron (cat:CP-21)
1 21KA6 $4.00 Raytheon 100% 100dmc NOS (OB) Compactron (cat:CP-21)
1 21KA6 $2.00 unknown 100% 100dmc used (rb) Compactron (cat:CP-21)
1 21KA6 $2.00 Sylvania 95% 105dmc used (OB) Compactron (cat:CP-21)
1 21KA6 $1.00 Magnavox 105% 100dmc used leaky (3M ohm) (OB) Compactron (cat:CP-21) missing box flap
1 21KA6 $1.00 RCA 100% 100dmc used leaky (3M ohm) (OB) Compactron (cat:CP-21)
1 21KA6 $1.00 RCA 110% 100dmc used leaky (2M ohm) (OB) Compactron (cat:CP-21)
1 21KA6 $1.00 RCA 100% 100dmc used leaky (5M ohm) (OB) Compactron (cat:CP-21)
1 21KA6 $0.50 RCA 85% 85dmc used (rb) Compactron (cat:CP-21)
1 21KA6 $0.50 unknown 110% 85dmc used (L) Compactron (cat:CP-21)
1 21KA6 $0.50 unknown 120% 80dmc used (L) Compactron (cat:CP-21)
1 21KQ6 $5.00 Raytheon 100% 100dmc NOS (OB) Compactron (cat:CP-20)
1 21KQ6 $5.00 Raytheon 100% 100dmc NOS (OB) Compactron (cat:CP-20)
1 21KQ6 $5.00 Raytheon 100% 110dmc NOS (OB) Compactron (cat:CP-20)
1 21KQ6 $5.00 Raytheon 100% 110dmc NOS (OB) Compactron (cat:CP-20)
1 21KQ6 $2.00 Raytheon 100% 110dmc NOS (OB) Compactron (cat:CP-20)
1 21KQ6 $2.00 RCA 110% 100dmc NOS (OB) Compactron (cat:CP-20)
1 21KQ6 $2.00 Sylvania 100% 100dmc NOS (OB) Compactron (cat:CP-20)
1 21KQ6 $2.00 Masushita for Panasonic 100% 110dmc NOS (OB) Compactron (cat:CP-20)
1 21KQ6 $2.00 Packard Bell 1900% 80dmc NOS (OB) Compactron (cat:CP-20)
1 21LG6 $5.00 GE 120% 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LG6-A $5.00 GE 140% 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LG6-A $5.00 RCA 120% 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LG6-A $5.00 RCA 125% 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LG6-A $5.00 RCA 130% 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LG6-A $5.00 RCA 120% 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LG6-A $5.00 RCA 120% 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LG6-A $5.00 ITT 120% 120dmc NOS (OB) Compactron(cat:CP-21)
1 21LG6-A $5.00 Sylvania 135% 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LG6 $5.00 Sylvania 100% 110dmc NOS (OB) Compactron (cat:CP-21)
1 21LG6 $5.00 Sylvania 120% 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LG6 $5.00 Sylvania 110% 110dmc NOS (OB) Compactron (cat:CP-21)
1 21LG6-A $1.00 GE 120% 85dmc used (OB) Compactron (cat:CP-21) loose cap
1 21LR8 $5.00 Sylvania 110% / 120% 110 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 Philips ECG 120% / 120% 110 / 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 Magnavox 100% / 120% 110 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 Magnavox 100% / 110% 105 / 95dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 Westinghouse 120% / 130% 115 / 130dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 Westinghouse 120% / 130% 110 / 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 GE 125% / 150% 120 / 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 RCA 110% / 120% 100 / 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 RCA 125% / 130% 120 / 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 RCA 130% / 130% 100 / 110dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 RCA 120% / 125% 110 / 110dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 RCA 130% / 130% 120 / 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 RCA 120% / 110% 110 / 110dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 RCA 125% / 115% 120 / 110dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 RCA 125% / 130% 120 / 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 RCA 110% / 125% 95 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 International Servicemaster 130% / 140% 110 / 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 International Servicemaster 125% / 110% 110 / 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 International Servicemaster 120% / 100% 110 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 International Servicemaster 110% / 100% 100 / 90dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $5.00 International Servicemaster 120% / 100% 120 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LR8 $2.00 GE 110% / 100% 115 / 90dmc used (ob) Compactron (cat:CP-21)
1 21LR8 $2.00 Sylvania 110% / 120% 110 / 100dmc used (ob) Compactron (cat:CP-21)
1 21LR8 $1.50 RCA 105% / 125% 95 / 105dmc used (ob) Compactron (cat:CP-21)
1 21LR8 $1.00 Zenith 110% / 90% 100 / 90dmc used (ob) Compactron (cat:CP-21)
1 21LR8 $1.00 unknown 110% / 130% 110 / 120dmc used (ob) Compactron (cat:CP-21)
1 21LR8 $0.50 Sears 110% / 100% 70 / 70dmc used (L) Compactron (cat:CP-1c)
1 21LR8 $0.50 unknown 100% / 110% 60 / 70dmc used (L) Compactron (cat:CP-1c)
1 21LU8 $5.00 Magnavox 110% / 130% 100 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 Magnavox 110% / 125% 100 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 Magnavox 110% / 120% 100 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 Magnavox 110% / 120% 100 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 Magnavox 110% / 125% 100 / 110dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 RCA 120% / 120% 110 / 95dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 RCA 120% / 120% 100 / 95dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 RCA 120% / 120% 120 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 RCA 125% / 130% 120 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 RCA 115% / 120% 100 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 RCA 120% / 120% 100 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 RCA 110% / 130% 110 / 110dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 GE 110% / 120% 100 / 95dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 Sylvania 120% / 125% 100 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 Sylvania 120% / 130% 110 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 Sylvania 110% / 130% 100 / 105dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 Sylvania 120% / 130% 110 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 Sylvania 110% / 130% 110 / 120dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 Sylvania 120% / 130% 110 / 110dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $5.00 Sylvania 110% / 120% 100 / 100dmc NOS (OB) Compactron (cat:CP-21)
1 21LU8 $2.00 Sylvania 130% / 120% 120 / 95dmc used (ob) Compactron (cat:CP-21)
1 21LU8 $2.00 RCA 110% / 125% 110 / 95dmc used (OB) Compactron (cat:CP-21)
1 21LU8 $2.00 RCA 110% / 110% 120 / 95dmc used (OB) Compactron (cat:CP-21)
1 21LU8 $1.50 RCA 110% / 130% 90 / 100dmc used (OB) Compactron (cat:CP-21)
1 21LU8 $1.50 GE 100% / 100% 90 / 90dmc used (ob) Compactron (cat:CP-21)
1 21LU8 $1.00 GE 95% / 120% 110 / 90dmc used (OB) Compactron (cat:CP-21)
1 21LU8 $0.50 unknown 105% / 120% 85 / 100dmc used (rb) Compactron (cat:CP-21)

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, (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 Compactron 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