Dan D'Agostino Progression Integarted Amplifier review by Paul Miller and Ken Kessler of Hi Fi News & Record Review
"the Progression Integrated is to the Momentum what 'second growth' wines are to Premier Cru. For someone like me, who can't afford £800-a-bottle reds, there are, blessedly, plenty of astounding second growths. So, for you teetotallers: the Progression Integrated is to the Momentum what Le Volte is to Ornellaia. And that spells 'Bargain'."