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13th January 2010, 01:23 AM
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#1 |
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Magneto the Gravity Man
diyAudio Member
Join Date: Mar 2005
Location: A life on the ocean waves when I'm not at home in N. Wales (but I'm not Welsh so no sheep jokes!)
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Sub-Miniature Tubes - Low Voltage
Hi.
Can anyone tell me the numbers for some sub-mini tubes? I have the JAN6418 and am looking for similar low voltage, low heater current types. Triodes, double triodes and "power" output tubes? Andy .
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If it ain't broke, break it !! Then fix it again. It's called DIY ! |
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13th January 2010, 02:05 AM
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#2 |
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diyAudio Member
Join Date: May 2005
Location: Dallas (but I am not a Texan!)
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13th January 2010, 02:12 AM
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#3 |
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Magneto the Gravity Man
diyAudio Member
Join Date: Mar 2005
Location: A life on the ocean waves when I'm not at home in N. Wales (but I'm not Welsh so no sheep jokes!)
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Excellent - just what I was after.
Many thanks. Andy .
__________________
If it ain't broke, break it !! Then fix it again. It's called DIY ! |
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30th March 2011, 02:01 AM
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#4 |
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diyAudio Member
Join Date: Apr 2010
Location: Melbourne
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I was just looking at another thread here is a link they pasted to working voltages etc to hundreds of sub-miniature tubes: WA2ISE sub-miniature tube page
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30th March 2011, 02:42 AM
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#5 |
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diyAudio Member
Join Date: Apr 2004
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Andy,
Sub-minis come in two basic flavors, battery types---hearing aid tubes, low heater requirements and low B+ needs, and those with hotter heater needs and higher B+. One of the best paper manuals that covers lots of sub-minis is the GE Essential Characteristics manual still in print, BKAE7 - GE Tubes: Essential Characteristics and well worth getting if you have a hankering to play around. Don't over look Russian sub-minis, much cheaper and some times better for the job. For power tubes 5902 was the easiest one to find until the guitar guys got into them for low-power practice amps. Now the best bet is the Russian 6P30B (4W plate), triode it and wire the plates in parallel. Happy hunting. Matt |
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