Quote:
Originally Posted by vortalexfan
OK so a little update on this radio, I got the radio recapped yesterday and I also got a set of 2500 mAH NiMH rechargeable D batteries from Harbor Freight and then a Charger for them at Menard's (they were the only place near me that had a universal battery charger in stock without having to travel to Mishawaka or South Bend which is over a half hour away from me.)
And I charged the batteries over night and installed them into my battery clip and turned on my radio with my signal generator hooked up to the antenna wire and sure enough I was signal through (albeit at the wrong frequency, it was coming in at 453 kHz rather than 456 kHz) and so I realigned the IF cans so that they were coming in at 456 kHz instead.
But then shortly after that the radio faded out and I checked my D batteries for my "A" supply and they were still putting out a charge so then I turned the radio back on again and the radio started working again but then it faded out again.
Also something I've noticed with my radio is that one of the IF cans on this radio is a replacement and when I would power on this radio and once it warms up, the radio makes a short burst of white noise and then it goes away like the radio is trying to pick some stations or trying to function but it can't quite function properly.
Also another weird thing I've noticed about this radio is that this radio will only operate at between 2.2 volts and 2.4 V on the filaments, if I try to use the recommended 2.1 Volts, the radio won't operate.
Any ideas as to what might be going on with the radio?
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First of all, a fully charged 2 volt lead-acid puts out 2.2volts. This voltage is what the radio was designed to use.
Did you check the tubes on a good tube checker. You probably have a weak osc-mixer tube. Increasing the filament voltage, will increase the emission.