Model H 1054 is used in Mk1 DSP8000, DSP7200.
Model H 1612 is utilised in the current DSP .2 products and was also used in the DSP8000 40th Anniversary system.
H1612 is less efficient than the previous H1054 and is not suitable as a drop in replacement and requires the replacement of the whole ‘Coms’ board.
Left is the amazing H1740 Berylium Tweeter as used in the SE floor standing models.
Along with new high band electronics, the beryllium tweeter is supplied with all SE upgrades, enabling full MQA unfold/rendering.