I have run across the opportunity to purchase a whole system which includes a pair of krell KRS 150 amps and a pair of Aragon Mark II 400 with all the wiring and a krell preamp KRC 3. The speakers are in fairly good shape which are apogee duetta signature speakers comes with the manuals boxes just wondering I can get this for a couple thousand dollars but it's a risk not being able to listen to it all in the box just need some advice please if I should spend $2,000 on all this used equipment I've always wanted the chance to get something like this they are going to throw in a tuner CD player and I revolver rebel turntable also any knowledge or advice would be so appreciated!