What's your gp to diaphragm!

You really have to buy a few until you find one that fits your mouth perfect. I didn’t find mine until my 4th but the second I blew it I knew it was the one. For me it’s the Rocky Mountain Raging Bull.
 
Black amp, pitch black 1 and/or 3, and the pink Phelps.

I can’t hold a bugle without a dome to save my life. I’ll also mirror the comment above on needing to see what works for you. I have a bunch of calls I don’t like sitting around which I would hate to have in my pocket during elk season.
 
RMHC Raging bull - for all around (cow and bull sounds).
Phelps gray AMP - for all around.
Phelps white AMP - for reaching out with a location bugle.
 
For me it has been the black AMP for years. Then last season I picked up a Mini AMP just to see how it felt and OMG! Everything changed! I had no idea that I had a small child sized pallet! I just thought diagrams were supposed to choke you a little bit and be hard to blow. Suddenly every elk sound I made was effortless and clear. Unfortunately I only had one (the blue one) on that trip and it only lasted a few days. I just ordered 5 more, along with a couple of the other mini AMPs to try out. If you’re struggling, it’s worth a try.
 
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