Can you hear a 1kHz sine wave distortion of 0.85% from tube preamplifier | Audio Science Review (ASR) Forum
Archimago's Musings: Using Victor's Oscillator as reference (1kHz, ultra-low distortion analogue sine generator). A quick peek at the APx555B Analogue & DAC Signal Generators @1kHz. And on playing music "for fun"!
![Waveforms of input sine wave with amplitude of 1 V and frequency of 1... | Download Scientific Diagram Waveforms of input sine wave with amplitude of 1 V and frequency of 1... | Download Scientific Diagram](https://www.researchgate.net/publication/306394230/figure/fig2/AS:403798389477380@1473284446419/Waveforms-of-input-sine-wave-with-amplitude-of-1-V-and-frequency-of-1-kHz-a.png)