I once had a Heathkit OM3, which had a horrible hum problem (eventually).? I solved it by running the filaments off DC.? If you ever have that problem, I can suggest it.? The IO-14 was billed as a lab scope, I think.
Harvey
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On 9/2/2020 9:19 PM, David Collier wrote:
Hi Garth,
I'm in Canberra (Oz).
Some US sellers won't ship to Oz, a few charge ridiculous shipping of US$400 to 500, which is where they hope to profit!
A Heathkit IO-14 from USA is costing me US$50 carriage via the Global Shipping Program, which seems very inexpensive.
David C.
