There are many variables in a situation like this. You may have enough power, or you may not. The best way to tell is to try the new speakers with your current amp. Not having enough power is very easy to hear.
"Or, would be curious to hear what a good preamp (<$300) pairing would be with whatever amp is suggested "
Unless you get extremely lucky, you can't get a good preamp for $300, new or used. It would make more sense to go with a passive and use whatever is left over to get an amp.
"Or, would be curious to hear what a good preamp (<$300) pairing would be with whatever amp is suggested "
Unless you get extremely lucky, you can't get a good preamp for $300, new or used. It would make more sense to go with a passive and use whatever is left over to get an amp.