We at Portaphile rely on our customer’s word of mouth to fuel our sales. Please post and comment whenever possible about our products, whether posting a review at Portaphile.com or posting a review on one of the many audio forums online, please post your impressions wherever and whenever possible. We rely heavily on customers spreading the word about our products. We don’t have an advertising budget so we would great appreciate all the public feedback we can get. To all our loyal customers, thank you for your continued support and we appreciate your efforts in spreading the word about our amplifiers! Happy Listening!