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| xwarp:
SCORE!!!!! A crt for my HP 8591E spec/an that doesn't appear to have any burn in for less than a hundo shipped! |
| Smith:
Might not be the coolest stuff, but I got a like new Philips PM 6302 RCL bridge for less than 5 bucks from the local thrift store. Seems to work, only tried a few ranges. Not the most handy piece of kit, but I still wanted one for years :-+ Update: Everything I threw at it (10pF up to 100uF) was withing 0,5% limits of our U1733C on 1kHz! Just one (10nF) range was a few % off. So much better than I thought. The "search" function is great too. Just connect a capacitor, set it to "search" and turn the range multiplier until you reach the range where the needle goes between min and max (too high, and the needle maxes out, too low and the needle returns to zero). It is actually quite fast using this thing. I guess a measurement from an totally unknown capacitor should take no more than 10 sec. Probably much less if used more frequently |
| wolfy007:
Latest old stuff (the two little HP 721A were just to cute) |
| Neomys Sapiens:
--- Quote from: wolfy007 on August 05, 2020, 03:21:25 pm ---Latest old stuff (the two little HP 721A were just to cute) --- End quote --- Ah, so those 721As are the precedessor series to the 6214A and related models. First time I see one of them. But the case seems to be compatible with the 466A amplifier. |
| wolfy007:
--- Quote from: Neomys Sapiens on August 05, 2020, 07:24:18 pm --- --- Quote from: wolfy007 on August 05, 2020, 03:21:25 pm ---Latest old stuff (the two little HP 721A were just to cute) --- End quote --- Ah, so those 721As are the precedessor series to the 6214A and related models. First time I see one of them. But the case seems to be compatible with the 466A amplifier. --- End quote --- I must admit I havent seen the 466A nor the 6214A till you just mentioned them. The 721A I stumbled across while buying some equipment from a deceased estate, and the guy had hardcore TEA, it was an eye opener, literally a house chock full of equipment (and a shed in his back yard). The internal layout of the 721A is almost a cross between a tube layout and circuit board. That is, most of it is on a circuit board but the power transistor, one of the adjustment potentiometers, a large capacitor, the fuse and a couple other components are all mounted on internal panels and connected via a couple tagboards like in valve based equipment. I think a nice example of crossover equipment from valve era to transistor era. |
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