condenser versus direct coupled?

I have an Hitachi 8500 MKII preamp and it has a condenser output and a direct coupled output. What is the difference? THANKS!
anthony

tspec04-04-2004 6:05am

eldartford Details Discussions Posts This discussion Message User 4,262 posts 04-05-2004 at 02:45am Copy Comment URL Report Comment Edit Delete Sean...A quick check of the net suggests that 15 to 50 Kvolt transmission is considered "medium" voltage. 200 to 400 Kvolt is "high voltage". And this is for AC. I know that the research on DC transmission was at higher voltages than used for AC.
eldartford Details Discussions Posts This discussion Message User 4,262 posts 04-05-2004 at 02:57am Copy Comment URL Report Comment Edit Delete Sean...And furthermore... Furukawa Electric (Japan) has a 1,100Kvolt AC line in service, and a 500Kvolt DC UNDERWATER cable as well! WOW.
sean Details Discussions Posts This discussion Message User 6,231 posts 04-05-2004 at 04:52am Copy Comment URL Report Comment Edit Delete WOW is right!!! I guess you can learn something new every day. I'm obviously WAY out of touch with this aspect of "power delivery". Thanks for doing the legwork and correcting my screw-ups. Sean .
eldartford Details Discussions Posts This discussion Message User 4,262 posts 04-05-2004 at 04:10pm Copy Comment URL Report Comment Edit Delete Sean...Now that we have called a truce, I will point out that my suggestion that an AC coupled power amp would oscillate might be challanged. If output transistors on one side blow, the result will be a DC output, just like a runaway DC coupled amp. However, I do think it is true that DC amps generally have protective circuitry.