Quote:
Originally Posted by mdputnam
Ok I'm confused 
I though that the Hi-Fi cars had 2 Ohm subs wired in series for a total of 4 Ohms at the amplifier and the HK cars had two 8 Ohm subs in parallel for a total of 4 Ohms at the amplifier. |
That apparently used to be the case. HK cars now have 4-ohm subs; that's been verified in other threads. No one's endeavored to figure out exactly when the switch happened; until that happens, the only real way to know for sure is to pull the subs themselves and look on the magnet.
It's worthwhile to note that both Hi-Fi and HK amps have had anywhere from 3 to 5 individual part numbers for F22s on RealOEM.com to date. Shifts in ASD tuning, etc. could account for that, but I suspect that's not all of it. Configuration changes -- including how the subs are powered -- likely account for some of the revisions, too.