With our Marantz PM66 PM6010 Upgrade Stage 1 applied, this amp is capable of truly excellent sound.

With more detail throughout the frequency range, greater transparency and a toe-tapping performance with fantastic PrAT. All allied to deeper, more tuneful bass.

MARANTZ PM66 PM6010 UPGRADE STAGE 1:

• Replacement of the main power supply electrolytic capacitors to FT Cap SI
• Local decoupling capacitors are upgraded to the new Elna Cerafine
• Additional Panasonic PPS bypass capacitors
• Signal path capacitors improved to solid film types