I JUST RECENTLY PURCHASED A RESTORED AUDIO RESEARCH DUAL 75A AND THE PIANOS ARE A COMPLETELY DIFFERENT SPEAKER. EVEN MY WIFE CAME DOWNSTAIRES, WHICH SHE NEVER DOES AND LISTENDED FOR HOURS. THE 75 A IS A 75 WATT PER CHANNEL TUBE AMP WITH 6550 OUTPUTS. I LOVE THE COMBINATION.
