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This power supply produces potentially dangerous voltages. Know high voltage safety before operating. Also, #18's metal case is currently ungrounded.
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← Back to tools we have
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| Type |
Heathkit vacuum tube power supply
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| Make/Model |
Heathkit PS-3
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| Serial number |
#16 and #18 (previous owner's inventory numbers)
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| Original owner |
Protospace (#16), Jack S (#18)
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| Loan status |
Donation
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| Arrival date |
Several years before 2016 (#16), 2016-05-31 (#18)
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| Location |
Electronics room
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| Functional status |
Broken (#16), Working (#18)
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| Usage permissions |
Open to full members
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| Certification |
You should know high voltage safety
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| Wiki-ID |
27
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| Label |
1.0" 1.5" 2.0"
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History
In May 2016, Ian O decided to get #16 working. He had heard from Matt F that Clint B had plugged it in and it produced no voltage. Ian disassembled it and tested the capacitors and resistors, finding them all within spec. He also started converting to use a modern grounded power cord (IEC 60320 C14 inlet/C13 cord) using a power inlet module taken from an unusable piece of equipment on the free shelf. He got most of the way through this conversion before Jack S brought in #18, which was already working, on May 31. The plan became to use #18 and keep #16 for parts. On the same day, he brought in his tube tester (B&K 700) to help Ian diagnose #16. All of the tubes it had tests for (i.e. not the 0A2s or the 1619s) tested good. Later, during Meet & Geek, Robb L's tube tester was used to test the same tubes with similar results.
