![ECU Professor 🏴☠️ on Twitter: "This poll result from April still perplexes me. I really thought that more people would favor the image on the right. (Right: RetroTINK 2X output converted to ECU Professor 🏴☠️ on Twitter: "This poll result from April still perplexes me. I really thought that more people would favor the image on the right. (Right: RetroTINK 2X output converted to](https://pbs.twimg.com/media/EexO78hXgAAJepZ.jpg)
ECU Professor 🏴☠️ on Twitter: "This poll result from April still perplexes me. I really thought that more people would favor the image on the right. (Right: RetroTINK 2X output converted to
![Comb filter delay time dips and peaks comb filters notch frequency - initial time delay gap ITDG - sengpielaudio Sengpiel Berlin Comb filter delay time dips and peaks comb filters notch frequency - initial time delay gap ITDG - sengpielaudio Sengpiel Berlin](http://www.sengpielaudio.com/CombFilterLogFrequencyA.gif)
Comb filter delay time dips and peaks comb filters notch frequency - initial time delay gap ITDG - sengpielaudio Sengpiel Berlin
![Comb filter delay time dips and peaks comb filters notch frequency - initial time delay gap ITDG - sengpielaudio Sengpiel Berlin Comb filter delay time dips and peaks comb filters notch frequency - initial time delay gap ITDG - sengpielaudio Sengpiel Berlin](http://www.sengpielaudio.com/CombFilterLinearFrequencyA.gif)
Comb filter delay time dips and peaks comb filters notch frequency - initial time delay gap ITDG - sengpielaudio Sengpiel Berlin
![Illustration of the feedforward comb filter using a time domain signal... | Download Scientific Diagram Illustration of the feedforward comb filter using a time domain signal... | Download Scientific Diagram](https://www.researchgate.net/profile/Jingfei-Liu/publication/311528932/figure/fig2/AS:449495126286337@1484179397760/Illustration-of-the-feedforward-comb-filter-using-a-time-domain-signal-containing-a-pulse.png)
Illustration of the feedforward comb filter using a time domain signal... | Download Scientific Diagram
![Narrow band frequency response plot showing the 50 Hz notch of the comb... | Download Scientific Diagram Narrow band frequency response plot showing the 50 Hz notch of the comb... | Download Scientific Diagram](https://www.researchgate.net/publication/6166069/figure/fig5/AS:277722073976867@1443225510457/Narrow-band-frequency-response-plot-showing-the-50-Hz-notch-of-the-comb-filter-in-detail.png)
Narrow band frequency response plot showing the 50 Hz notch of the comb... | Download Scientific Diagram
![filters - how to create a harmonic mask from fundamental frequency? - Signal Processing Stack Exchange filters - how to create a harmonic mask from fundamental frequency? - Signal Processing Stack Exchange](https://i.stack.imgur.com/ChVQ1.png)
filters - how to create a harmonic mask from fundamental frequency? - Signal Processing Stack Exchange
![z transform - Filter odd or even harmonics with notch or inverse notch filter - Signal Processing Stack Exchange z transform - Filter odd or even harmonics with notch or inverse notch filter - Signal Processing Stack Exchange](https://i.stack.imgur.com/JYMBJ.png)