I own or have tried them all. For high level of isolation plus non-fatiguing full fidelity sound, go for the Beyerdynamic DT770M. They are significantly more isolating than the other phones mentioned.
Barry N1EU On Fri, Jun 17, 2016 at 4:07 PM, Charles Yahrling <[email protected]> wrote: > Looking for tips for headphone types for K3, CW only, so need 1/4 inch > stereo jack. > > Object is to isolate from ambient noise in the shack, such as relay clatter > from 1K-FA amp when keying. > > Been using a cheap set that came with Yamaha keyboard - I like how they > attenuate hi freq band noise, but > tend to overdrive at high audio gain levels. Main problem is relay noise, > which throws off my keying at times. > > tnx in advance > > 73, chuck AB1VL > _________________ > Topband Reflector Archives - http://www.contesting.com/_topband > _________________ Topband Reflector Archives - http://www.contesting.com/_topband
