Black Paint on HV Windings ?

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kg8lb:
.

N3DRB The Derb:
the thor CHT 300 watt unit TM-77 was what the first HB rig used,  with 805's.  I've never seen the TM-78 500 watt version. trouble is the plugs for the plug n jacks are always missing.

KM1H:
Its not a paint and has been used that way for decades on Peter Dahl and other transformers. Im looking at an original late 70's Dahl Alpha 77SX xfmr as I type this.

Instead of starting a panic mode thread it would make more sense to call Magcap and get an edumencation ::).

Carl
KM1H

N3DRB The Derb:
Quote

The new one came with an old name, newly made in Mass.

why dont you call them on the phonium and voice your concerns? I dont think they would purposely sell a defective product.

and are you talkin about the people that took over Peter Dahl?

W3SLK:
If you can't get any information, I would at least HI-POT test it or find an electrician that will lend you an insulation tester to check it out. If it HI-POTs at 5KV with out any problems, chances are it will be FBOM.

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