On Sat, 5 Feb 2011 16:32:25 EST, [email protected] wrote: > FYI, the R-4A early (13-tube) version power transformer runs *VERY* warm, > which is normal, but is also why I use a top-mounted fan on the case directly > above the transformer to draw air out of the radio. There should be no need > of that with the R-4B but it is an option if the "warm transformer" concerns > you.
Whether there's a need to or not, it's always a good idea to reduce the temperature to prolong component life. 73 -Jim -- Ham Radio NU0C Lincoln, Nebraska, U.S.S.A. TR7/RV7/R7A/L7, TR6/RV6, T4XC/R4C/L4B, NCL2000, SB104A, R390A, GT550A/RV550A, HyGain 3750, IBM PS/2 - all vintage, all the time! "Give a man a URL, and he will learn for an hour; teach him to Google, and he will learn for a lifetime." HyGain 3750 User's Group - http://groups.yahoo.com/group/HyGain_3750/ http://incolor.inetnebr.com/jshorney http://www.nebraskaghosts.org _______________________________________________ Drakelist mailing list [email protected] http://mailman.zerobeat.net/mailman/listinfo/drakelist
