Originally Posted by Adrenaline-Junkie
Im not sure how big of a problem this is for keg/beer use but sometimes regs dont recharge fast enough and get drop off which can cause a loss in pressure during "constant" use. The problem goes away if you wait a bit because the pressure has time to build back up.
I don't hear my regulator adjusting until I pour at least 12 oz into a pint glass. This is probably the reason, get bigger glasses maybe
Edit: I'm on co2 not beer gas.