5 transistor circuit. Distortion. Gain dB R5 (ohms) C2 (uf) Distortion (%) Distortion (%) At 2 VRMS at 3.5 VRMS 1.0 0 -- -- 0.025 0.030 2.0 6 100 k 1.0 0.020 0.020 3.16 10 47 k 1.0 0.015 0.020 10 20 11 k 4.7 0.020 0.020 31.6 30 3.3 k 10 0.030 0.040 Frequency response at 30 dB gain - 3 dB 6 c to 133 kc Open loop gain approximately 1000

2 transistor circuit, Distortion at 1 volt RMS output. Gain dB R4 (ohms) C2 (uf) Distortion (%) 1.0 0 -- -- 0.015 2.0 6 5.1 k 10 0.015 3.16 10 2.4 k 22 0.015 10 20 510 47 0.050 31.6 30 160 220 0.17 Frequency response at 30 dB gain - 3 dB 7.6 c to 814 kc Open loop gain is approximately 280.