Doepfer Dark Energy Wave Pack
Key is C3. These sounds are raw waveform(SAW, TRI, PULSE) and self-oscillating filter.
If this pack is useful for you, you can donate to https://gum.co/xhBfW or purchase from http://kimurataro.weebly.com/ .
Kimura Taro - Samples and Patches
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This whole pack is absolutely wonderful. Thank you so much!