My understanding is that triangle core, say from an Intellijel Rubicon, produces a more accurate text-book sine wave than a sawcore. And that fits right in with the whole 'west-coast'/Buchla aesthetic of starting pure & simple, and adding complexity with a wave-folder. East-coast/Moog style subtractive synthesis prefers a beefy saw wave, chock-full of harmonics, from which you creatively subtract with a filter, getting all kinds of opportunities to sample various filter flavors - so a saw-core oscillator, like a Tiptop z3000, serves that up nicely.
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