lthough the LōKē was reviewed by JVS in a system with the Wilson Alexia V loudspeakers, I measured it in a different context, paired up with the Wilson SabrinaX. As noted in the review in (December 2022), the scope of the LōKē’s lowpass (LPF) and subsonic (HPF) frequency and slope options plus phase, output level, parametric EQ, and placement scenarios allows many response combinations. For the sake of expediency, I left the subsonic (HPF) and PEQ features disabled for the flattest LF response and focused on the tunable (30Hz–125Hz, ±1Hz) LPF options. The Sabrina’s port has a 27Hz–85Hz range, supporting the 60Hz–280Hz passband of the Sabrina’s woofer (all limits –6dB), realizing a 52Hz bass extension (–6dB ref. 200Hz) despite a steep LF roll-off (dashed trace, fig.2). When optimally integrated with the LōKē using a 60Hz LPF and 12dB/octave slope (black trace, fig.2), the diffractioncorrected system response extends to a rib-tickling 17Hz. The impact of higher and lower LPF frequencies (80Hz, blue; 40Hz, red, fig.2) is shown. The residual notch at ~50Hz may be fine-tuned by boundary placement and the LōKē’s output via its Phase Degree facility.
