:lurk:
Gotta get in on this one while I can! :D
That being said, I am very fond of my ZX-7. I've come across someone posting pictures of their Willy Hermann restored Dragon showing specs (print out) of 20 Hz - 22 kHz, +/- 3 dB, @ -20 dB.
My ZX-7 came off his bench at 20 Hz - 24 kHz, +/- 2...