The Tube Vitalizer presents the patented Vitalizer filter network in the most sophisticated and beautiful way.
Compared to traditional equalizer designs, the Tube Vitalizer offers virtuoso processings with maximum efficiency and ease of use. In mixing, mastering and restauration the Tube Vitalizer fulfills the highest demands.
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The sound processing of the Tube Vitalizer is split into two sections: On the left hand you find the controls of the Vitalizer-circuitry and the compressors. The right side features the tube section, which can be used independently of the Vitalizer-section as a high quality, low-noise tube-line preamp.
The second innovation in the Tube Vitalizer design is the inclusion of two compressors, one for the bass and one for the top-end filtering. These compressors allow to compensate for level changes due to the processing. Alternatively they can also be used for sound shaping of course.
The compressors operate with a soft-knee characteristic to provide unobtrusive results, while Attack, Release and Threshold are pre-set for their frequency range (bass or top-end processing). This results in highest ease of use and perfect level control even when intensive processing is applied.
The tube stage is an original AEG design from 1955. It utilizes three tubes. One of them is used as a differential stage and carefully enhances the stereo base. This effect perfectly complements the tube sound itself, it delivers more depth and transparency, especially in the mid range. The tube stage also reduces crosstalk to 54 dB which is typical for vinyl-cutting. One characteristic of vinyl sound against CD specs is a more natural sound stage - there are no coherent sounds in nature that have a channel separation of about 90 dB like on CD.
The tube section provides a frequency bandwidth from 30 Hz to 30 kHz. Standard designs often limit the bandwidth which gives a limited impression of frequency bandwidth - and that may often be associated with "tube sound". The Tube Vitalizer's tube sections does not limit frequency response. If you carefully listen to reverbs of vocals or snare (or simply put on pink noise), you can easily identify the harmonical structures tubes add.Features
Stylish and practical VU meters show either input or output levels, making it easy to compare levels when extensive filtering is required. The Tube Vitalizer is equipped with both XLRs & stereo jacks for balanced operation. We use the new SSM precision input & output stages which feature laser-trimmed resistors, providing a common mode rejection of better than 87 dB. Mono-jacks may be used for unbalanced operation without level change.
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.
- Instrumentation amplifier, electronically balanced (differential), transformerless
- Nominal input level: +6 dB
- Input impedance: = 22 kOhms
- Output impedance: < 600 Ohms
- Max. input level: +24 dBu
- Max. output level: +22,4 dBu
- Minimum load ohms: 600 Ohms
- Relay Hard Bypass
- Frequency response (without tubes): 10 Hz - 100 kHz (100 kHz = -3 dB)
- Frequency response (with tubes): 30 Hz - 100 kHz (30kHz=-3dB)
- CCMR (common mode rejection):- 100 dBu at 1 kHz
- THD & N: 0,002% at 1 kHz
- S/N (CCIR 468-3): -83 dBu
- S/N (A-weighted): -89 dBu
- Toroidal transformer: 35 VA
- Fuse (primary): 500 mA (230V); 1A (115V)
- Fuse (secondary): 315 mA (230V); 630 mA (115V)
- Ground-Lift switch
- Voltage selector
- Power Fail Safety
- Standard EIA 19"/2U
- 482x88x237mm (BxHxT)
- 19"x3.46"x9,33" (WxHxD)
- Weight: 4.9 kg; 10.8lbs
0 dBu = 0.775 V. Subject to change without notice.