Smoke ‘em if you got ‘em! A Definition Mark One.Nine (Mk1.9) is a used but reworked MDF core from an original Definition fitted with Definition Mk2 parts.
ZuAudio

Zu extracts the emotion in recorded music through applied physics, common sense, and attentive listening. Zu’s efforts to make playback real and accessible are realized in our loudspeaker and cable products. Zu loudspeakers use original concepts and designs to restore aliveness and fidelity in playback.