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
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| 1 | 30MB6 | $7.50 | GE | 130% | 95dmc | used (wb) | Compactron (cat:CP-1A) |
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| 1 | 30KD6 | $5.00 | Sears | 100% | 110%dmc | Used Leaky | Compactron (cat:L-1h) |
| 1 | 30KD6 | $5.00 | Lindal | 120% | 110%dmc | Used Leaky | Compactron (cat:L-1h) |
| 1 | 30KD6 | $5.00 | Sylvania | 130% | 110%dmc | Used Leaky | Compactron (cat:L-1h) |
| 1 | 30KD6 | $5.00 | Sylvania | 120% | 100%dmc | Used Leaky | Compactron (cat:L-1h) |
| 1 | 36KD6 | $5.00 | RCA | 100% | 100%dmc | Used Leaky | Compactron (cat:L-1h) |
| 1 | 36KD6 | $5.00 | RCA | 90% | 90%dmc | Used Leaky | Compactron (cat:L-1h) |
| 1 | 36KD6 | $5.00 | Unknown | 90% | 85%dmc | Used Leaky | Compactron (cat:L-1h) |
| 1 | 36KD6 / 40KD6 | $5.00 | Zenith | 90% | 90%dmc | Used Leaky | Compactron (cat:L-1h) |
| 1 | 36KD6 / 40KD6 | $5.00 | Zenith | 100% | 95%dmc | Used Leaky | Compactron (cat:L-1h) |
| 1 | 40KD6 | $5.00 | GE | 100% | 100%dmc | Used Leaky | Compactron (cat:L-1h) |
| 1 | 40KD6 | $2.50 | Sylvania | 60% | 80dmc | used (L) | Compactron (cat:L-1h) cap missing (replacement provided) |
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| 1 | 36MC6 | $7.50 | unknown | 70% | 60dmc | used (L) | Compactron (cat:CP-1A) |
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| 1 | 38HE7 | $5.00 | Sylvania | 110% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | Sylvania | 115% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | Sylvania | 115% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | Sylvania | 110% diode:100% | 95dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | Sylvania | 110% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | RCA | 110% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | RCA | 110% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | RCA | 110% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | RCA | 110% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | RCA | 110% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | RCA | 115% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | Zenith | 120% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | Westinghouse | 110% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | Lindal | 110% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $5.00 | Realistic | 100% diode:100% | 100dmc | NOS (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $1.00 | Zenith | 120% diode:95% | 90dmc | used (rb) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $1.00 | International Servicemaster | 110% diode:90% | 90dmc | used (OB) | Compactron (cat:CP-24) |
| 1 | 38HE7 | $1.00 | unknown | 105% diode:90% | 90dmc | used (rb) | Compactron (cat:CP-24) |
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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and
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