Suggestions for an amp


It has been suggested that I should look at a different amp to get the best sound out of my speakers. 
I have a Yamaha Aventage RX-A830. Front speakers are Monitor Audio Silver 8. 
I am mostly interested in something to provide the best sound while listening to music but also be decent for HT. I have an Orbit with a Grado Black 1 cartridge for vinyl. 
I am not looking at spending a ton of money and will definitely consider used (I am looking at several on this site). 
Many thanks!
128x128granburyspring

Those monitor audio Silver 8 will drop down to pretty low impedance in some areas of the bass/midbass.  If you wanted a different receiver, try to get the biggest heaviest receiver possible.  Maybe used if it's in your price range, like a used Yamaha RX-A3060 or something.  Denon has large receivers as well. 

Ultimately, you might be better getting a dedicated amp with a big power supply to drive those Monitor Audio.  It's going to perform much better than any receiver.  Maybe Emotiva if your budget is low.  Or look into an Odysse Audio amp.

I am probably leaning towards a receiver in my case.

What do you think about these:
Denon AVR 4100W
Pioneer Elite SC-07
Pioneer Elite SC-27

Thanks again
I assume this setup is also a home theater rig?  Your speakers demand more than a HT receiver, PERIOD.  My recommendation would be to buy an integrated amplifier with a home theater bypass so you can continue to use your receiver for surround stuff but only have the stereo integrated in the loop when listening to more critical 2-channel recordings.  You change between HT and stereo with the push of one button (yes, you heard me right -- one button).  I'd HIGHLY recommend you stick a crowbar in your wallet and buy the Hegel H160 available used here now for $1600 (retail new is $3500).  You seriously won't believe how good your Silver 8s will sound, and you can go on right ahead using your RXA830 for HT.  Don't let the potential of your excellent MA speakers largely go to waste with another AVR.