Posts Tagged ‘Vintage’

Heathkit SB-104 Bargain

On the last day of the Quartzfest event (near Quartzite, AZ), we walked through the swapfest there.  It had, I would guess, about 30 or 40 tables selling mostly used equipment. I came across a table that caught my eye.  He had an old Heathkit SB-104 for sale.  When I asked the price, he said […]

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HW-8 Bargain

I was up early on a Sunday morning last month, and saw a notice that a Heathkit HW-8 had been posted to Facebook late in the prior evening.  He wasn’t asking much for it, so I decided to shoot him a note and see if it was still available.  The owner wrote back, and I […]

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Thunderbird Hamfest 2019

One of my favorite hamfest did not disappoint me this year. I always find good bargains on tools and equipment at this hamfest. My first purchase was an MFJ-267 1KW Dummy Load/Wattmeter.  The seller had all of his equipment priced at the exact same point – $68.00.  That seemed a good enough price that I […]

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Electronic Key Interface for Vintage Rigs

Sometime this past year, I acquired a Jackson Harbor Press KeyallHV kit.  This accessory allows one to key their vintage rig, be it an old tube rig, a hybrid or a more modern solid state one.  It is basically a circuit that isolates the keying contacts from any high voltage circuitry in the rig via […]

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Heathkit TC-1 Tube Checker – Theory of Operation – Quality Check

The Quality Check is the main function of the TC-1 Tube Checker.  In this mode, the tube is connected into the circuit to act as a simple diode.  No effort is made to find how much gain a given tube might have in other configurations.  This is a very basic test of how well the […]

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