DIY: SDHC Card reader problem in APPLE MAC computers

The problem has long time existed and discussed on APPLE Forum (Since mid 2010). However APPLE not yet react on many complains from their costumers. Problem description: The SD card reader slot on iMac/MBP has stopped picking up the SDHC cards. When insert a card, it fails to mount. This used to work fine, and…

When QRO's never enough

Tube: 3CX10.000A7. The Power OUTPUT TEST (25 KWT !) Well I finally got a chance to do my final output test 16,000 RMS watts peaked out to 25KW I only have a 50 amp service on my bench was starving for more amps …..I hope you enjoy it as much as I did…73’s to all.…