Tube Enhancer

OUR PART #:  STER-VITALIZER-MK2-T Write the First Review.

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The Stereo Vitalizer MK2-T is an excellent and versatile tube program EQ for shaping input signals and optimizing mixes based on hearing-correct considerations and established psychoacoustic principles.

Classic Tube Sound - One of the ECC 83 tubes is dedicated only to the audible mid-hi sound range, with another tube integrated into the Stereo Expander. This means the combined signal (left and right channel) is processed while at the same time expanding the stereo image beyond the loudspeaker soundstage. This also results in a more sonorous harmonic spectrum. Exceedingly noise- and distortion-free coil filters in the HF end complement the tubes ideally and provide for brilliant, silky sounds.

The SPL Vitalizer Technology - The reference technique for audio sound optimizing "un-covers" sounds by means of a slight time shift of the signals as a function of their loudness. Soft sound components that were masked by louder ones are thus emphasized - the smallest details become clearly audible and create a life-like atmosphere, since this differentiated reproduction produces a more natural-sounding result. Furthermore, the entire sound is ideally adjusted for our hearing capabilities. The sound material is perceived as being more transparent and the sense of loudness is increased while avoiding listener fatigue.

The Stereo Vitalizer MK2-T is equipped with balanced XLR and unbalanced jack connectors.


  • Recording: Console EQ enhancing, subgroup insert
  • Mixing: Fine polishing the final mix
  • Mastering: Remaking or preparing (especially archival recordings)
  • Digital signal processing: Lifelike analog sound with less "digital edge"
  • Sound reinforcement: Clearly greater volume percection, allowing less of a load on the final stage and significantly greater sound volume at the same volume level
  • Copying tapes: Perfect compensation of high- and bass-losses
  • Dimensions, Standard EIA 19"/1U: 482 x 44 x 237 mm


The Stereo Vitalizer MK2-T is not an "Exciter"! In processing the sound all the information is taken from the original signal. No distortions are generated as is the case with generator-type exciters. This means the resulting drawback of these devices, namely the tendency towards sharpness and with it listener fatigue, has been eliminated from the Stereo Vitalizer MK2-T.

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