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Passeq
SPL Passeq—the most powerful passive Equalizer ever made
Unique Features
• The most powerful passive EQ ever made—72 (!) passive lters per channel in one EQ.
• 120 V makeup ampliers based upon SPL SUPRA-OPs with 150 dB dynamic rage and
200 V/ms slew rate.
• Individual coils per lter.
• Single core coils, which means that every one is wound individually on its own dedicated
core. This excludes sonic degradation from mutual inuences while at the same time
improving THD values.
Special Features
• Individual design and component specicity for each lter.
• Custom made coils for critical mid-frequency ranges.
• Boost and cut crossovers mesh perfectly so that with the high number of frequencies one
can dependably command the most elaborate set of response curves that to date any
passive EQ has offered.
• Transformers from Lundahl with perfectly matched sonic characteristics provide for
balanced I/O stages.
Introduction