LAB REPORT: AUDIO RESEARCH REF150 (£12,495)

摘要

This is the first amplifier we've tested with the new flavour of the decade' KT120 output tube and the results are very encouraging indeed, at least within ARC'S implementation. A total of two matched pairs per channel delivers a full 2x155W into 8/4ohm loads through its 8/4ohm taps, respectively, and a solid 175W into 8,4 and 2ohm under dynamic conditions [see Graph 1, below]. Audio Research also specifies a near-DC -3dB point of 0.5Hz which is more than met in practice, for the REF 150 remains flat to within +0.06dB from 1kHz down to 1 Hz.