Gday I am refurbishing the power supply board in my Alpha 91b and am going to replace the KD202P diodes which make up the bridge with 6A10 diodes (1000V 6A and only A$1.95 each). The original bridge
Thanks Garry that is brilliant! These avalanche diodes require no shunt resistors or capacitors. Could not be easier than that! 73, Gerald K5GW I am refurbishing the power supply board in my Alpha 91
Hi Hardy Good to hear from you. Thanks for the great advice. After 20 years of hard, hot work, there is heat-related oxidisation over just about every joint/connection on the 91b power supply board.
G'day I am wanting to set the TX Delay on my IC-7610 for an OM Power OM2200HF amplifier, so as to avoid the potential for 'hot switching'. The OM Power manual doesn't indicate what type of TR relay i
Gday everyone A good friend of mine has recently acquired a Commander 2500 which is need of repair/rebuild after a long and hard life. On taking the amp apart, he noticed one of the neoprene chimneys
Gday everyone A good friend of mine has recently acquired a Commander 2500 which is need of repair/rebuild after a long and hard life. On taking the amp apart, he noticed one of the neoprene chimneys
Hi Jay Thanks for the info much appreciated. It looks as though the Commander 2500 went through quite an evolution from its introduction to the later stages of production. I think this one is a later