View Larger Image V5 Discrete Op-amps on GUSTARD H10 Headphone amp Both, dual and single discrete Op-amps in a GUSTARD H10 headphone amplifier – great sound! Arne R. By Carlos G|2016-05-17T16:14:40+10:00May 17th, 2016|V5 SS Opamp|Comments Off on V5 Discrete Op-amps on GUSTARD H10 Headphone amp Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail