Knapt brukt itube buffer/forforsterker selges. Perfekt for å "varme" opp lyden og øke størrelsen på lydbildet. Se tester for info https://www.dagogo.com/ifi-audio-micro-series-itube-pre-amplifier-review-part/3/
http://www.enjoythemusic.com/magazine/equipment/0913/ifi_micro_itube_review.htm
https://www.audiostream.com/content/ifi-itube-active-tube-bufferpreamplifier
http://www.enjoythemusic.com/magazine/equipment/0913/ifi_micro_itube_review.htm
https://www.audiostream.com/content/ifi-itube-active-tube-bufferpreamplifier
