Then I should plan on using my Magneplanar SMGa's, because they are 2 Ohm speakers. Except I don't have a K2. Dang.
wunder K6WRU On Jan 6, 2014, at 2:54 PM, Jim Brown <[email protected]> wrote: > On 1/6/2014 2:02 PM, EricJ wrote: >> The K2 speaker has been better for CW than anything else I have tried. > > Elecraft found a VERY good speaker for the K2. Don's advice about looking > for a 4 ohm speaker is also good -- virtually all loudspeaker amplifiers have > a VERY low output Z, typically 0.1 Ohm or less, making them a constant > voltage source. By simple Ohm's law, they will provide maximum power to the > lowest impedance which they are designed. Power is E squared divided by R, > so you can use them with higher Z speakers, but you will lose 3 dB of level > for 8 ohms, another 3dB for 16 ohms. > > The second part of the equation is loudspeaker efficiency. In general, the > smaller the loudspeaker, the less efficient it is. In other words, louder = > bigger. The best 4 ohm loudspeaker I know of is the MR55, made by RCF, and > Italian company. I've used them in some high profile projects. They're not > cheap. Smaller speakers in their line are not nearly as nice. > > 73, Jim K9YC ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
