I have used Shunyata Python Helix alpha with the REF5, but upgraded to Anaconda Helix alpha for the the Anniversary REF40.
Question for Audio Research Ref 5 owners ?
What power cord have you found that works best with this line stage.Have several 15 amps and only one 20 amp.Using it on the Ref 110.Just curious as to what you might think and thanks for your time.