Accuphase systems: F15L electronic crosover with 500Hz and 8000Hz crossover modules, Pro 5 poweramplifier for under 500Hz low frequency, P102 poweramplifier for 500Hz to 8000Hz mid range and P102 poweramplifier for over 8000Hz high frequency and around 12,000Hz (passive crossover)ultra high frequency.Owned by Mr.Philip Lo in Canada.
