Well the purpose of this post is twofold: First, despite periodic negative reports about the eB** place, I wanted to report my just received acquisition of a very nice R4B. Decent price, decent shipping charge, very well packed, nicely bound copy of the R4B manual plus misc other relevant R4x articles, received approx three days from the end of the bidding (USPS Priority). I don't recognize the call from being on this list, so I won't identify unless there's a reason to. In short, I couldn't be more pleased.
The second reason for the post is about my R4A, and the diff between it and he R4B. I have to say, I have been happy with the R4A over the appro 10 years I have owned it. I have had to do a fair amount of work on it in the AGC section, but I have done lots of great QSO's with it. And to be fair, it lives in my garage, here in No. Florida, and what with the heat, humidity, and insects, it has not had an easy life. Anyway, my first impressioin on powering up the R4B is, that it is SO MUCH MORE SENSITIVE than my R4A, including the S-meter response. Nevermind that the switches seem a lot cleaner, the tuning knob spins easier, etc.. So anyway, I wanted to ask, where would you first begin to look in the R4A to account for the difference in sensitivity between it and the R4B I just got ? I have checked all tube pin voltages, and they do agree closely with what they should be, and I believe the tubes are OK. Chuck, K1OM, Alachua, FL
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