Why do people prestretch poly, especially soft ones?

[Fintft]

For NG it's done in order to remove kinks, but for poly?

for all the people that want the comfort of gut and the spin of poly, i recommend hybrid of VCT 16g /revolve 17g at appropriate low tension. I was using gut/poly at 50/47 but I wasnt getting enough bite so I switched to VCT hybrid initially at 44/42 but then went down and finally settled at 38/36. Also, don’t forget to prestretch ur poly, esp VCT as it is such a soft poly. Revolve is quite similar to isospeed cream with the super slick coating but cream produces more of a metallic response whereas revolve feels rubbery which I enjoy more.


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[3loudboys]

Helps reduce tension loss I think. Soft polys can lose it quicker than there firmer counterparts from experience. I’m no expert and think that longer playability and consistency of contact is better when prestretched. I use Kirschbaum Max Power Rough and that has excellent tension maintenance. It’s prestretched and is firmer.

 

[Fintft]

Helps reduce tension loss I think. Soft polys can lose it quicker than there firmer counterparts from experience. I’m no expert and think that longer playability and consistency of contact is better when prestretched. I use Kirschbaum Max Power Rough and that has excellent tension maintenance. It’s prestretched and is firmer.

I guessed that, but on the other hand I don't want my Mayami strings firmer...

 

[3loudboys]

For me also depends on the frame - I use a Prince Tour 100P which is pretty plush so find a firmer poly a good match. The Kirschbaum has excellent feel - v close to Alu Power at half the cost - and marries nicely. The pre stretching definitely works for that string as maintains tension unbelievably well. When it does start to go the difference is minimal and still very playable.