Habanero "Low Rider" Mk V amplifier

These are sweeps of an amplifier Pat and I designed about two years ago. The instrument used was an Agilent 8712ES network analyzer between 800kHz and 2MHz setup as an S21 measurement normalized at 800kHz. The amp is "pretty linear" (down about 15% power over the entire frequency range). 1 volt input turns into roughly 20 volts of output so I'm using a 50 ohm load with 30dB attenuation on the input of the network analyzer.