Hi:
The A38 must be around 60-70k mark, but am not sure. You can also consider the A18, that would be lesser cost wise, excellent for RS6.
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How much is the 8003 ?
You can also consider NAD 352/355, again, excellent match for RS6.
I would not recommend the RS6 unless you have a Warm amplifier and CD Player The MA RS6 is a brighter speaker and listening to old recordings will infact lead to ear fatigue.( because of the poor recordings), You can check the Dali speakers and also the new RX 6 series.
The RX6 with its new tweeters are a tad brighter than the older sibling.
Hi:
You're spot on with the Dali and the 8003. But, the new RX6s treble is superior and more controlled than the RS6, rest all same.