Hi Paul, Thanks for sharing your interest. I'm glad you don't want a USB output port. Although it wouldn't be difficult, it's beyond the purpose of the product.
73, Robert (AG6ZZ) On 2018-04-12 15:58, Paul Van Dyke wrote: > I am interested .. the battery operation in interesting .. no usb for my phone > > Paul KB9AVO > > On 4/12/18, Robert J. Morris <ag...@iloc.com> wrote: > >> I've built a prototype powered external speaker for the KX3, and would >> like some feedback on what folks would desire in terms of features, and >> whether folks would want to own one. >> >> The speaker currently is designed to match the overall look of the KX3 >> and PX3, and accept similar third-party panels and covers as for the KX >> line. Presently, it uses the same legs and feet as the KX3 and PX3, and >> is the same height and depth as those. There is one USB port for >> charging the internal lithium battery, and input and output stereo >> jacks. The speaker is mono. The output jack redirects the right channel >> from the stereo input for a second speaker, just like with the Elecraft >> SP3 and other similar external speakers. The speaker is amplified. >> >> The SPX3 puts out a maximum of 3W, and is about as loud as any external >> radio speaker gets. Volume is adjusted by the KX3. It plugs into the KX3 >> PHONES jack. There is a built-in low pass filter to reduce noise and >> improve the listening experience. >> >> The prototype, as you'll see in pictures in the links below, is slightly >> narrower than the expected finished product. The speaker driver and >> on/off switch are both waterproof, but - just like the KX3 and PX3 - the >> case isn't. So, don't drop it in a lake. It will handle all conditions >> appropriate for the KX3, and is meant for indoor and outdoor use. Having >> matched the case design so closely to the KX3, it isn't as airtight as >> I'd like it, so the next prototype will have the case halves join in a >> more customary way, but remain the same dimensions and overall look. >> This will also improve ingress protection. >> >> You'll see the speaker is not a polished finished product yet, as it's a >> rough first prototype made by hand. Your feedback will assure the final >> product is what you want gracing your portable shack. >> >> Please note, the KX3 in the photo is only to demonstrate the speaker. >> >> All feedback is welcome. Please let me know which reasonable >> enhancements or simplifications you'd like to see. >> Examples: >> * Would you want an output USB port to use the speaker to charge your >> phone? >> * Would you want to dispense with the built-in battery, and run it >> entirely from external power? >> * Would you want a second passive speaker driven by the first to save on >> weight and cost? That is, a SPX3A (active, with battery, charger, and >> amp) and SPX3P (passive, with only speaker driver) >> * If you're a KX2 user, would you like me to produce the SPX2 (also in >> development)? >> >> Pictures: >> SPX3 with KX3: http://www.iloc.com/ag6zz/SPX3/AG6ZZ_SPX3_KX3.JPG >> SPX3 Left Oblique: >> http://www.iloc.com/ag6zz/SPX3/AG6ZZ_SPX3_LeftOblique.JPG >> SPX3 Right Oblique: >> http://www.iloc.com/ag6zz/SPX3/AG6ZZ_SPX3_RightOblique.JPG >> >> 73, >> Robert (AG6ZZ) >> >> SPX2, SPX2A, SPX2P, SPX3, SPX3A, and SPX3P are Trademarks (TM) of Robert >> J. Morris >> SPX2, SPX2A, SPX2P, SPX3, SPX3A, and SPX3P are Copyright (C) 2018 by >> Robert J. Morris >> ______________________________________________________________ >> Elecraft mailing list >> Home: http://mailman.qth.net/mailman/listinfo/elecraft >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:Elecraft@mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> Message delivered to pvandyke1...@gmail.com ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com