Not all Zu speakers are 12 or 16 ohms impedance. Definition is 6 ohms.
However it can be optioned with a wiring package so the drivers are loaded at 6 or 30 ohms. The change is affected externally and takes the user about 15 seconds.
At 30 ohms OTL amps are remarkable performers.
Dealer disclaimer
However it can be optioned with a wiring package so the drivers are loaded at 6 or 30 ohms. The change is affected externally and takes the user about 15 seconds.
At 30 ohms OTL amps are remarkable performers.
Dealer disclaimer