Hey I just created an account to list my zrockII for sale and saw your wanted ad. I purchased 1 last year. Here are the specs from my invoice. Let me know if you're interested

ZROCK                1         ZROCK2 / Decware Tube EQ Stage       1,244.00
                                 Select Voltage: 110~120 Volts
                              Signal Capacitors: Type I Cryo Beeswax $130
                                      RCA Jacks: US Made Precision Gold
                                          Knobs: Black Chicken Head Knobs
                                           Mods: standard configuration
                                           Mods: Beeswax bypass cap mod - adds $260
                                           Mods: Tube regulation mod - Adds $75