Hi Vic; You can build a roll off filter with some caps and an inductor or two. Look at an old "ARRL Handbook" for this info. I'm not sure if the newer Handbooks cover this topic.
pete -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Vic K2VCO Sent: Friday, August 04, 2006 10:02 AM To: Elecraft Reflector Subject: Re: [Elecraft] Yaesu YH77STA & K2 peter gerba wrote: > Icom HP-4 headphones 22.95 from universal radio. They roll off the high > end. I've been using them for years for cw. The trouble with these is that they are monaural. Stereo is important because I want to investigate binaural modes for CW, such as putting the I and Q outputs of a quadrature sampling detector into each ear, etc. The Yaesu phones are stereo but the frequency range is important so I can get rid of the external DSP I'm using to kill sidetone thumps and clicks. -- 73, Vic, K2VCO Fresno CA http://www.qsl.net/k2vco _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com __________ NOD32 1.1691 (20060803) Information __________ This message was checked by NOD32 antivirus system. http://www.eset.com _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
