The Weiss EQ1 is a two channel digital equalizer with seven parametric bands, featuring digital inputs/outputs exclusively.

The Weiss EQ1 is available in four different configurations. All of them work at 24/96. The basic model is the EQ1MK2, the linear phase model is the EQ1-LP, the dynamic model the EQ1-DYN. The EQ1-DYN-LP incorporates both LP and DYN versions in one unit. The mode of operation (LP or DYN) can be chosen after power-up. All models are user-upgradeable to any other version.

EQ1-LP, the EQ1-MK2 with linear phase response
The EQ1-LP has the same parameter set as the EQ1-MK2 and is therefore fully snapshot and MIDI control compatible. Sampling frequencies supported are 44.1, 48, 88.2 and 96kHz.

The impressive list of features of the EQ1-MK2 is in the EQ1-LP further extended with a linear phase response. This means that the delay introduced by processing is now constant across the whole spectrum, unconstrained by eq settings - this is not the case with standard equalizers, where signal delay varies with frequency, with the length of the delay depending on the amplitude response.

The sound, or character, of an equalizer has been said to be influenced by phase response (for example John Watkinson: ...much of the audible difference between EQs comes down to the phase response., Studio Sound 9.97). The EQ1-LP is therefore the ideal tool for corrective amplitude adjustment, without the unwanted phase distortion added by standard equalizers.

The linear phase feature can be turned off, resulting in the exact same sound as the EQ1-MK2. So for creative sound designing, there is the benefit of two different equalizers in one machine.

Power

  • Mains voltage: 115 V or 230 V with voltage selector
  • Fuse rating: 500 mA slow blow
  • Power consumption: 40 VA max.

Size

  • Depth: 30 cm
  • Width: 43,3 cm (19")
  • Height: 8,8 cm (2HU)

AES/EBU Input

  • Sampling frequencies: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
  • Maximum input word-length: 24 Bits
  • Channel Status Data: Input accepts professional or consumer format 
  • Channel Status Data Bits forwarded to AES/EBU output: see table below
  • Connector: XLR female

AES/EBU Output

  • Sampling frequencies: 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz (always the same as the input) 
  • Output word-length: 24 Bits
  • Connector: XLR male

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