Eon Art Quark amplifier at Jacques Dubé’s Audition Véritable Audition, Rivière-Du-Loup. The Eon Art Quark is a hybrid amplifier with pure tube preamplifier section and a 208 Wrms/8 Ohms solid state amplifier section. Massive and stylish chassis is made by Oracle Audio Technologies. Quark hybrid integrated amplifiers was designed from the ground up to deliver absolute transparency and to drive the even the most demanding loudspeakers.