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FM 330
  • Truly singular 3 and 4-way crossovers with unique linear-phase 36 dB/octave attenuation 
     

  • Unmatched accuracy & reproduction, far superior to any other crossover ever made
     

  • Massive improvements of multi-way systems are now possible simply by replacing the existing crossovers in a multi-way system
     

  • Perfect step response with absolute freedom of overshoot and ringing
     

  • 90dB (!) attenuation = reduced intermodulation distortion of speakers
     

  • Lower distortion of drivers thanks to reduced diaphragm excursion
     

  • No speaker lobing irregularities thanks to perfect in-phase response
     

  • Discrete balanced Class A input circuits provide ultimate rejection of hum, noise, interference etc. (100-1000 times better than other so-called balanced equipment). 
     

  • Proprietary, precision Linear-Phase filters
     

  • No IC's, hybrids, op-amps, or transformers anywhere in the audio path
     

  • Pure discrete "enhanced Class A" circuitry throughout; no feedback, nor feed-forward
     

  • Separate crossover frequencies for low-pass and high-pass filter. Any crossover frequency between 60 Hz and 16 kHz is available. 
     

  • Ultra-precise crossover frequencies are easily adjusted via plug-in modules on front panel
     

  • Automatic output muting
     

  • The superb discrete Class A balanced output circuits automatically optimize the interface to any power amplifier, be it balanced, pseudo-balanced or unbalanced
     

  • Up to +27dBu (50Vpp) output capability and 10dB channel gain allow very high output drive voltages       = superb signal to noise ratio of entire audio system
     

  • Delayed turn-on circuitry avoids switch-on transients, thumps and instability
     

  • Groundlift feature; ground and earthing problems are avoided
     

  • and much more...