Grimm Audio SB1 Subwoofer Pair Innovation The Grimm Audio SB1 represents a significant leap forward in low-frequency reproduction through the application of Digital Motional Feedback. While traditional subwoofers often struggle with physical resonances and air displacement, this unit employs an acceleration sensor mounted directly on the driver cone. Consequently, the system monitors its own movement in real-time to correct any deviations from the original signal. This sophisticated mechatronic approach reduces distortion by an impressive 30dB compared to conventional designs. Furthermore, the result is a level of transparency and bass control that feels entirely natural within the listening room. Performance Achieving a linear response down to 20Hz is a remarkable feat for a cabinet of this size. Although many subwoofers prioritize sheer volume, the SB1 focuses on the preservation of tonal pitch and temporal resolution. This precision ensures that the bottom octave of a classical recording or the subtle textures of a bass guitar remain perfectly defined. Moreover, the integrated 700W Class D amplifier provides ample headroom for demanding dynamic peaks without introducing unwanted noise. Because the DSP manages the frequency curve so accurately, the transition between the subwoofer and the main monitors remains completely seamless. Versatility Originally designed to sit elegantly between the legs of the LS1 series, the SB1 is now more flexible than ever before. A dedicated switch on the rear panel allows the subwoofer to function independently with third-party audio systems. Therefore, enthusiasts using diverse preamplifiers or active crossovers can still enjoy the benefits of motional feedback technology. Additionally, the unit features a mains outlet to power an LS1 speaker directly, which effectively minimises cable clutter in your setup. This thoughtful engineering makes it an ideal companion for both high-end home hifi and professional studio environments. Click to see our showroom tour Feature Specification Frequency Response 20 Hz – 250 Hz (±2dB) Amplifier Power 700W Class D Technology Digital Motional Feedback (DMF) Distortion Reduction 30 dB compared to conventional drivers Crossover (with LS1) 70 Hz Phase Corrected Driver Type High-excursion aluminium woofer with sensor Max SPL (@1m) 96 dB (Single unit) / 102 dB (Stereo pair) Compatibility Grimm LS1 series or 3rd party systems via switch
