All good advice. HP 'scopes are good. Yes the old B&K were made by Trio but I don't know about specific models so I stay away from the brand.
Vintage 'scopes are nostalgic but they just don't cut it when you need results. I recently tore apart an old Dumont; they just didn't compete. I now have three Tektronix units and one HP; they all work fine. The HP goes to 275 MHz and offers storage; I'd sell that one with both manuals for $250 plus freight.
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