LZX - Doorway

This product is not available anymore.
€259.00 *
Net price: €217.65

Prices incl. VAT plus shipping costs

Not available anymore.

  • 180264
  • 32
The linear video key generator Doorway offers the following features: Threshold potentiometer... more
Product information "LZX - Doorway"

Doorway is a linear video key generator and compositor, also known as a soft keyer. Unlike conventional circuits, which are usually based on a comparator, this module achieves key generation via high gain amplification and clipping of the input source. Thus, the edge of the resulting key is composed of a variable percentage of the input signal, centered at the threshold point.

The linear video key generator Doorway offers the following features:

  • Threshold potentiometer and CV channel. The control range covers the input’s full frequency spectrum.
  • Gain knob and control voltage input. You can amplify signals by a factor of 64, meaning it is possible to do continuous sweeps from fully soft to fully hard edge.
  • Signal inputs and level potentiometers for foreground and background allow the negative and positive space of the key to be set to any grayscale level. – Or you fill them with external signals.
  • A switchable outline mode adds a full wave rectifier to the signal path. With this option active, the gain parameter controls the width of the outline rather than the softness of the key’s edge.
  • All signal and control paths are able to process high frequency, video rate voltages.
  • Each CV channel is equipped with an AC/DC switch and an inverting level attenuator.
HE: 3
TE: 10
Depth: 32
Power consumption +12V: 80
Power consumption -12V: 80
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