On Wed, 26 Jan 2011 13:22:47 -0500, Garey Barrell wrote: >The 'correct' fix is a 'thermistor', or 'inrush current limiter', which >is a device shaped like a large disc ceramic capacitor.
Usually flat black in color, often called an "NTC" because of the negative temperature coefficient. >Selecting the appropriate one is >a bit of a pain, you want one that starts out high enough to limit that >initial inrush current, yet drops to a low enough resistance when hot to >minimize regulation. I find that units salvaged from scrap PC power supplies are often a decent size for your average tube rig. Some of them have markings on them that can be Googled for the specs. 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 Drakelist@zerobeat.net http://mailman.zerobeat.net/mailman/listinfo/drakelist
