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On 02/01/2016 01:54 PM, analogdial wrote:
philo wrote: I tried stagger tuning the IF transformers for wider bandwidth but that hurt the sensitivity on wide and nearly killed it on narrow. The damn thing was built to last. There's only one paper capacitor, in the power supply filter. 8 ufd of paper in a sealed steel can, if i recall. It's huge. I checked mine for leakage and it was still no worse than an equivelant electrolytic, so I left it alone. There's also one electrolytic (also in steel, looks like an oil and paper, mine was no good) for the cathode bypass in the audio amp. Everything else is silver mica. The resistors checked out 100%. Didn't look like any under chassis work had ever been done on the radio. Amazing. It has a really nice zero backlash gear drive. Probably the nicest thing about the radio. I never had any Hallicrafters receivers but did once own an HT-32 transmitter. About the only piece of Ham gear I have left is a mint condition HQ-140-X in completely original condition |
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