Oops, mine is a Realistic Minimus 7. Later, they were named the Optimus Pro 7. You can find a more full history of these nice little speakers here: http://www.angelfire.com/vt/audio/minimus.html
wunder K6WRU On Apr 22, 2013, at 7:35 PM, Walter Underwood wrote: > I have a single Realistic Optimus 7 that I've been using with my Lowe HF-150 > for years. They stopped making those, but you can find them fairly cheap on > eBay. > > wunder > K6WRU > > On Apr 22, 2013, at 5:49 PM, Don Wilhelm wrote: > >> I was fortunate to find a pair of Radio Shack Optimus speakers (5 inch black >> cube) at a 2nd hand store for $5. They work great with my K3. You may be >> able to find something similar if you shop around a bit. These are >> non-amplified speakers and work quite well, no worries about RF feedback or >> other problems that sometimes occur with amplified varieties, and the K3 has >> more than adequate audio to drive these high efficiency speakers. >> >> Since the K3 tailors the audio response, there is not really a need for >> "communications" speakers - the RX EQ will shape the audio to your desires, >> so "full range" speakers will work great with the K3. For those who do >> SWLing, the full range speakers may be better for those users than >> communications speakers. >> >> 73, >> Don W3FPR >> >> On 4/22/2013 7:36 PM, Pete Lascell wrote: >>> I too have used the 2-way radio speakers for more than 30 years and >>> originally did with my K3. But after going thru the junk stach again a >>> discovered I had a pair of amplified speakers (not cheap) used with Radio >>> Dispatch Consoles as SELECT and UN-SELECT audio channels. They contain ~ 6 >>> watt audio amp and a substancial speaker, power by 12 volts. So I now have >>> plenty of audio and with the speakers spaced about 6 feet apart there is >>> noticable separation, and the AFX function is great when desired. >>> >>> With the extra amplification and volume controls I can set the K3 volume >>> control for hot earphone level, yet turn down the external speaker levels. >> >> ______________________________________________________________ >> 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 > > -- > Walter Underwood > [email protected] > > > > ______________________________________________________________ > 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 -- Walter Underwood [email protected] ______________________________________________________________ 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

