Sequel mkII

About the Sequel mkII

The Martin Logan Sequel mkII is a high-performance two-way floor-standing loudspeaker that combines a 48" by 10" curvilinear electrostatic panel for midrange and treble frequencies with a 10" high-excursion, high-rigidity cone woofer housed in a sealed cabinet for bass. It features a crossover frequency at 250 Hz with second-order 12 dB/octave slopes, delivering a frequency response from 28 Hz to 24 kHz ±2 dB. The speaker has a horizontal dispersion of 30° and a vertical dispersion of 48" line source, providing precise imaging and soundstage. Sensitivity is rated at 89 dB/2.83 V/m with a nominal impedance of 6 ohms (minimum 2 ohms), suitable for amplifiers rated between 20 and 400 watts per channel. The Sequel mkII includes a bass control switch that can boost bass by +2 dB from 40 to 160 Hz. The cabinet is constructed from high-density hardwood powderboard with a suede paint finish, and trim pieces are hand-finished hardwoods available in rosewood, gloss black, walnut, light and dark oak. Weighing 110 lbs each and measuring 72" H × 14" W × 13" D, these speakers were They are known for their pure, natural sound and durability, with custom-wound audio transformers, polypropylene bypass capacitors, and 100% oxygen-free copper coils in the crossover network. The speakers require external amplification and have no built-in amplifier. They are bi-wire capable with 5-way binding posts for input connections. The Sequel mkII is no longer in production but remains respected for its sound quality and design.