Spectra SL-128/80 AA Printhead



The SL-128 AA is a highly compact and light-weight jetting assembly designed specifically for ink jet applications requiring multiple printheads packed tightly together.

These modules are ideal for fast moving, high performance printer carriage designs. General compatibility with a wide range of fluids makes the SL-128 AA jetting assembly extremely versatile.

Two electrically independent piezoelectric slices, each with 64 addressable channels, are combined to provide a total of 128 jets. The nozzles are arranged in a single line, at a 0.020 inch distance between nozzles. Resolutions up to 450 dpi are possible.


  • 80 picoliter calibrated drop size
  • Resolutions up to 450 dpi
  • 128 individually addressable, inline nozzles
  • Lightweight and highly stackable
  • Orientation independent
  • Supports solvent and UV-curable based inks
  • Dual ported for ease of flushing
  • Optional temperature control

Tech Specs

SL-128/80 AA
Active nozzles128
Nozzle spacing508 μm
Nozzle diameter50 μm
Drop velocity8 m/s
Printhead weight (dry)35 g (1.23 oz)
Fluid typeOrganic solvents, UV curables
Drop volume*80 pl
Typical firing frequency30 kHz
Dimensions (WxDxH)110x5x110mm


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