SPL Tube Vitalizer

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Direct Ship, Non-Stock But Normally Ships Quickly

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The Tube Vitalizer represents the top-of-the-line, patented audio enhancer that applies psychoacoustic and audiometric principles to make your music more stimulating, vocals more intelligible, loudness more intense, and the whole soundscape wider and more detailed. The interactive parameters make it possible to alter the sound in a musical and effective way.

SPL Tube Vitalizer Specifications

  • Instrumentation amplifier, electronically balanced (differential), transformerless
  • Nominal input level +6 dB
  • Input impedance = 22 kOhms
  • Output impedance < 600Ohms
  • Max. input level +24 dBu
  • Max. output level +22,4 dBu
  • Minimum load ohms 600Ohms
  • Relay Hard Bypass,Power Fail Safety
  • Frequency response (without tubes): 10 Hz - 100 kHz (100 kHz = -3 dB)
  • Frequency response (with tubes): 30 Hz - 100 kHz (30 kHz = -3 dB)
  • CMRR (common mode rejection): -100 dBu at 1kHz
  • THD & N: 0,002% at 1kHz
  • S/N CCIR 468-3: -83 dBu
  • S/N A-weighted: -89 dBu
  • Power Supply: Toroidal transformer: 35 VA
  • Fuse (primary): 500 mA (230 V/50 Hz); 1000 mA (115 V/60 Hz)
  • Fuse (secundary): 315 mA (230 V/50 Hz); 630 mA (115 V/60 Hz)
  • Ground-Lift switch,Voltage selector
  • Housing: Standard EIA 19"/2U, 482 x 88 x 237mm
  • Weight: 4,9 kg
  • Note: 0 dBu = 0.775 V
  • Subject to change without notice.


Our ONE WITH EVERYTHING ZEN WARRANTY extends the standard manufacturer warranty by one year, see our ZEN WARRANTY page for details.