SPL Tube Vitalizer

$1,999.00
In stock
SKU
Tube Vitalizer
SPL Tube Vitalizer
  • Manufacturer: SPL

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.

Features

  • Music emphasizing technique
  • One of the Vitalizer’s main features is the unmasking of overlapping sounds. The way it works is, in principle, opposite to the way compression formats (MP3, etc.) do: instead of deleting allegedly unnecessary information, it enhances it. In order to do that, the Vitalizer takes into account the perception of a frequency in relation to its volume. By shifting louder frequencies slightly in time, softer and formerly overlapping sounds are “unmasked” and made audible. The audible effect of unmasking could be described in general terms as more clarity and depth in a mix. Lows sound more powerful and better defined, mids more focused and differentiated and highs more vivid and brilliant. It can be used on individual channels to emphasize the sound character of instruments or vocals. The clarity and definition achieved guarantee an adequately perceptible presence in the mix.
  • Another characteristic of the Vitalizer’s sound optimization process is the adaptation of the sound spectrum to the non-linear sensitivity of human hearing. This phenomenon was audiometrically proved in the 1930’s thanks to the equal loudness contours, also known as the Fletcher-Munson curves after their discoverers. According to these curves, the human ear is most sensitive to mid frequencies, i.e. to the frequency range of speech. As a result, frequencies below 200 Hz and above 6000 Hz need reinforcement in order to achieve a well-balanced auditory impression – frequencies between 6 kHz and approximately 11 kHz are perceived as being 5 dB softer, for example. The Vitalizer uses the equal-loudness contours to balance the frequency spectrum according to human hearing, which in turn improves loudness. As a result, individual elements of a mix can sound more present without an actual increase in level. At the same time, the sum signal also benefits from the Vitalizer processing since it can achieve the same loudness with less sound pressure level.

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

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