How to Wire Subs: Series/Parallel, Ohms, and Single vs. Dual Voice ... ... diagram: https://i0.wp.com/caraudioadvice.com/wp-content/uploads/2017/01/2-dvc-2ohm -subs-wired-to-2ohm-e1485224862191.pngPioneer 2 Ohm Amp Wiring Diagram - As of Apr 2018 this is our Top Rated Page. We are using the Hifi Year Book as we have the whole set 1956-1981. To list all interesting amps from these years is the idea, not interested in a full list, only cherry picking the better ones & interesting ones.. Other Vintage Amplifiers & Receivers "Other Amps" Page. Ones We Researched In 2012-2015 But Haven't Tried We have tried many amplifiers because they interested us, see the 'Top Amp Reviews' page for all we've had, good or bad.. Reviews and photos of vintage stereo tuners, including Kenwood, Sansui, Pioneer, McIntosh, Yamaha, Accuphase, Onkyo, Denon, Rotel, Technics, Tandberg, Magnum Dynalab.