Nicholas Briggs Daleks in a charity theatre production of "The Daleks' Master Plan" and briefly appeared on stage playing a regenerated Doctor. Briggs also recorded a short cameo, as the Daleks for the live Dr Who podcast stage show, 50 Years of Doctor Who: Preachrs Podcast Live 2. He appeared in this alongside a mix of modern and classic Doctor Who actors including; Peter Davison, Richard Franklin, Simon Fisher Becker and Terry Molloy. In 2010 he starred in "Doctor Who Live" as Winston Churchill. In 2012, his Doctor Who novel The Dalek Generation was published by Random House/BBC Books. In 2013 Briggs
Voice coil principal power limitation on such coils is the thermal softening point of the adhesives which bond the wire to the bobbin, or the bobbin to the spider and coil. Voice coils can be used for applications other than loudspeakers, where time force linearity and long strokes are needed. Some environments like vacuum or space require specific attention during conception, in order to evacuate coil losses. Several specific methods can be used to facilitate thermal drain. The image above shows two ways in which the voice coil is immersed in the magnetic field. The most common method is the "overhung" design