how to run a 230 volt line from my panel??

It's unlikely that your new unit, will have an IEC connector(inlet on chassis) that matches the one on your present power cord(http://www.internationalconfig.com/icc5.asp?productgroup=%27IEC%2060309%20%28309%29%20Wiring%20Devices%20and%20Cord%20Sets%27). If it does; you can use(NEC notwithstanding) what ever plug you choose(IF the cord is rated for 20A). Wait until you receive the component and better know what your are dealing with.

Just for perspective, every house has two separate 120 lines coming in. Combining them yields your 240. 240 appliances require two 'hot' leads, hence 240 volts.

BTW: the site I listed shows the configurations of IEC plugs, 125V(C-14) vs 230/250V(C-20). Note that the contacts of your expected 230V component's connector(chassis end) will be(most likely) horizontal, the ones on your 125V cord are vertical. Of course; you can change the IEC outlet, on your chassis or the IEC female, on your cord(http://www.vhaudio.com/connectors-ac.html#OyaideIEC).

First off... Is this a house, townhouse or condo? Seen the latter 2 with 208V, sort of 2/3 phase.

Second... What kind of equipment? Turntable, CDP, preamp or amp? If it's low power consumption, a step-up transformer (Topaz, Phoenix ...) might be easiest, cheapest and safest solution. Sometimes not the quietest. As far as I've seen, only a few turnatables are sensitive going from 50 to 60 Hz.

this is a cdplayer- running in a house- Since I already have the lines run to the room and room in the box it seems the prudent way to go-yes I was planning to ecut the ends of my current power cord and buy the correct connections for a 20 amp wall socket-p does this seem to make sense to everyone or am i missing something- thanks for all the advice--