The Tube Vitalizer works with a filter-network and controlled changes of phase relationships to emphasize high frequencies and harmonics of the original source. The result is an unobtrusive and silky top end.

We consciously did without the generator principle of “Exciters”. The Tube Vitalizer’s High Freq. EQ and harmonic filter does not add any distortions to the original signal, unlike with the gene- rator principle. It extracts all the information it needs from the original signal. This significantly reduces the hearing fatigue effect on the listener. By influencing the phase relationship in an intelligent fashion, the filtering emphasizes the perception of high and harmonical frequencies. The effect significantly improves the speech intelligibility and the transparency. Old archived recordings sound fresh and silky again. The brilliance of any audio signal can be improved without it sounding sharp.

Control elements

8High Freq.

Improved high and harmonic frequencies result in a silky top-end with better separa- tion and intelligibility.

The Intensity control sets the amount of High Freq. being added 9 Intensity to the signal. You can then listen to the High Freq. control separa-

tely, when you close the Process Level control (extreme left). The Bass and Hi-Mid Freq. controls do not function any more. The Hi- Mid Freq. and the High Freq. filter complement each other in an ideal fashion. While the Hi-Mid Freq. sets the frequency above which the program material is lifted and below which the damping takes place, the High Freq. and Intensity controls come in place to extract certain frequencies from this process. This is very helpful, when you are processing material with lead vocals: Using the Hi-Mid Freq. will generally damp some speech frequen- cies and the voice moves into the mix loosing a bit of its presence. Use the High Freq. to catch the voice and the Intensity control to bring it back up front. Especially switching the High Freq. filter into LC Filter mode helps to improve the presence on vocals.

The active filter-network to process the high end operates with 10 High - LC Filter

aRC-combination (R = resistor; C = condenser). The LC Filter switch adds a passive coil/condenser filter to the network.

Coils are known for their pleasant sound. When getting satu- rated they produce a special harmonical structure giving a certain punchy sound that we know from old filter designs. For the top- end switching the coils active means, that the sound gets more mid-range and presence. At the same time a certain amount of roughness is introduced. This is especially beneficial to vocals and helps them to stand out in the mix without altering level.

The Tube Vitalizer offers you the choice between both ‘worlds’.

The Tube Vitalizer features a compressor, which is integrated into the high frequency filter network. The original signal is left untouched.

TUBE VITALIZER

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Sound Performance Lab 9530 manual High Freq
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9530 specifications

Sound Performance Lab (SPL) 9530 is a state-of-the-art audio processing unit designed to meet the demands of both professional audio engineers and avid music enthusiasts. As an integral part of the SPL product lineup, the 9530 exemplifies the company's commitment to high-fidelity sound and innovative audio technologies.

One of the standout features of the SPL 9530 is its advanced equalization capabilities. The device employs a fully parametric equalizer that allows users to finely tune their audio environment. With up to 30 bands of EQ control, the 9530 provides unparalleled precision, enabling sound engineers to sculpt audio with meticulous detail. The system includes both boost and cut functionalities, giving users the power to address specific problem frequencies in their mixes.

The SPL 9530 also incorporates sophisticated dynamics processing. With its built-in compressor and limiter, the device can manage the dynamic range of audio signals effectively. This feature is particularly useful for live performances and studio recordings, where maintaining consistent audio levels is crucial. The compressor's transparency allows artists to achieve a polished sound without sacrificing the natural characteristics of the audio.

Another exceptional characteristic of the SPL 9530 is its compatibility with both analog and digital audio formats. The unit features high-quality A/D and D/A converters that ensure the audio signal remains pristine throughout the processing chain. This versatility allows for seamless integration into various setups, whether in a professional studio or a live sound environment.

Additionally, the 9530 incorporates innovative SPL transformer technology, which provides superior signal integrity and minimizes distortion. This design ethos resonates throughout the entire unit, ensuring that audio quality remains uncompromised at every stage of processing.

The SPL 9530 also supports remote control options, allowing users to adjust settings from a distance, adding convenience to complex audio setups. The intuitive user interface, complete with clear LED indicators, makes operation straightforward, even during high-pressure situations like live performances.

In summary, the Sound Performance Lab 9530 is a comprehensive audio processing solution featuring advanced EQ and dynamics processing, compatibility with multiple formats, and superior sound quality. Whether for studio use or live applications, the SPL 9530 stands as a crowning achievement in modern audio technology, delivering flexibility and exceptional performance for any audiophile or sound professional.
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