Fidele Audio
Quad and NAD Amplifiers and CD Players
Fidele Audio produce a unique range of audio system upgrades. The products on offer here are the result of several years of successful Quad and NAD upgrade experience. For all products we can also provide bespoke designs to meet your exact requirements. For details of our upgrades and module rebuilds please click here. For details of our repair service please click here.
Rogers Transistor Amplifiers
We have developed upgrades for early Rogers transistor based amplifiers such the Ravensbrook, Ravensbourne and Panthera. We will shortly be offering specific upgrades but in the mean time if interested please contact us here.
Repair Service
We offer repair services for Quad amplifiers including those previously upgraded by Net Audio, including Quad 33 and 303, 34, 44, 405, 306, 606 etc.