from the Collection of Neal Hartranft
Neal Hartranft, an electronic organ repairman for Allen Organ
has collected a sizeable amount of used tubes that have been pulled from
electronic organs. Many of these tubes still work fine, and many of them
are unique and hard-to-find, like the "coke-bottle" shaped 6L6's and 5R4's
shown in the picture below. Since Neal has not got the time to test each
one, he can make no guarantees to whether the tubes will work or not.
Most of these used tubes will work and have a good amount of life left,
since he usually throws out bad tubes. If there is a bad tube, he
replaces the rest of them along with the bad one, so this is where most
of these tubes come from. Email Neal, nlhartranft@juno.com, with
what you're looking for (see list below) and make him and offer (include
extra for shipping too).
Some typical tubes Neal has available (L to R): 12AU7A, OD3, KT88,
5R4GY, 6L6G, 5U4G, 6L6GC, 6SN7GTB.
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A list of used tubes available (may be others besides):
- 5R4GY ("coke-bottle" [ST-shape] rectifier)
- 5U4G ("coke-bottle" rectifier -- only a few)
- 6L6G ("coke-bottle" output tube)
- 6L6GC (tubular-shape output)
- 6SN7 (GT-shape [octal], preamp; mostly the good Sylvania kind)
- 12AU7A (9-pin preamp)
- 6550 (octal, ST-shape, power output)
- EF86 / 6267 (mini, preamp)
- KT88 (octal, power output -- only a few)
- OD3 (ST-shape, cold-cathode regulator)
- many others in small quantities.
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Here a tube you won't see in Neal's collection for
sale. It's an antique Arcturus blue glass triode (type 124)
made in the 1920's or 30's. I pretty sure it still works and
I want to get a few more and build a preamp for guitar from them.
See Arcturus BlueTone for details.
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