Spider Ranch Productions, located in San Francisco, CA, recently purchased McCauley Sound Inc.’s new M421 quad 21” subwoofers to supplement its existing inventory of McCauley Monarc MLA6, MLA3 line array systems and M88 dual 18” subs.

The M421 incorporates four 21” long-excursion neodymium motor transducers with 6” voice coils, continuous power handling capacity in excess of 12,000 watts (24,000 watts instantaneous peak) and a maximum peak output of 155 dB SPL (at 1 meter).

Spider Ranch owner Alex Moran notes that the M421 significantly increases his ability to handle large shows that demand heavy low end SPL. This has been proven by Spider Ranches recent successes at the Rob Zombie Hellbilly Deluxe 2 World Tour, Evil 105 Subson...