Difference in frame styles

[Terry]

I see pioneer sells both flat and crowned frames. Is there advantages/disadvantages to either?

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[gergg]

Hey Terry....I have been using the crowned frames recently and they seem to work fine, 30 years ago I used flat frames and they worked fine too. I will say that I used to "tack" my flat frames to keep the reeds in place, haven't had to do that with the crowned frames.

[Gooserbat]

The flat frames basically require a divit with some sort of punch.  Crowned is best or at least I think so.

[saverx]

Flat are good for stacked calls.

[mspaci]

They have flat w adhesive it says