I would rank all 4 amps behind any good point to point wired DHT SET such as a 300B or a 2A3 for powering your Zu's.
Jerry
Please rank these amps
Please rank and let me know your thoughts on the following amps:
- NAD 2200PE
- Schiit Aegir
- Threshold a400
- McIntosh MC250
… using with an Audible Illusions Modulus L1 pre and several different speakers including Zu Audio ODW II and several other small, lower sensitivity higher end monitor speakers (Dynaudio, Usher, Revel, Totem, among others)