< p> GZRC 165/28-IV SQ is a successor of GZRC Anniversary-25 speaker system. It has Klippel optimized 6,5″ midwoofer with aluminum cone ( GZRK 165SQ ). Midwoofer features: Nomex spider /rubber surround, copper cap for impedance linearizing, resonance free steel basket and gold plated terminals. New vented High Quality 28mm silk dome tweeter ( GZRT 28SE ). New smaller 12 dB/ oct. High-pass filter with level adjustment. 6dB / oct. in-line low-pass filter.< /p>
