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SKU

1484

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SPL Tube Vitalizer Stereo Mastering Enhancer

Stereo mastering enhancer designed for professional mixing, mastering and restoration

MFR# 9530

Product Description

A completely different type of EQ, with which almost virtuoso interventions in the sound image become possible. When mixing, mastering and restoring, the SPL Tube Vitalizer goes beyond traditional equalization.

The Vitalizer is based on findings of psychoacoustics and audiometry. Its filter network is one of the few patented filters. It makes the richness of detail of audio signals more audible. Interventions in the sound image are more of a musical nature. Music productions sound more natural, lively, differentiated, easier to understand, more deeply layered and more widely spread apart.

These are the five controls of the Vitalizer core circuit. Drive controls the level going into the filter network. The bass emphasizes a soft or hard tone. The coil filter (LC) makes the bass more pithy and the compressor catches level peaks. Mid-Hi Tune sets the frequency of operation above which frequencies are boosted and below which frequencies are cut. Process Level adjusts the intensity of Mid-Hi Tune and bass.

In addition to the Vitalizer core circuit, the Tube Vitalizer has a high frequency and harmonics processing stage with Frequency and Intensity controls and switchable coil filter (LC) as well as compressor.

The switchable tube stage is constructed with three tubes: first, left and right pass through their channel output tube, then the channels pass jointly through the third tube as a stereo signal. As a little treat, the Tube Vitalizer offers a shunt limiter. This limits the level according to a characteristic curve tuned to the tubes and provides the signal with a sonic effect similar to the saturation effect of analog tape machines.

DE-MASKING

A key feature of the Vitalizer is the unmasking of superimposed sound components. The Vitalizer thereby relates the time of perception of a frequency to its amplitude. Through a minimal temporal offset of loud frequencies, quieter, previously superimposed sound components are “de-masked” and thus become audible.

ADAPTATION TO CURVES OF EQUAL LOUDNESS

The non-linear sensitivity of the human hearing is described already in the 1930s by the “Fletcher-Munson curves”. These “curves of equal loudness” (today defined by the standard ISO 226:2003) illustrate the equal perception of loudness as a measure of sound pressure level, over the frequency spectrum, for which a listener perceives a constant loudness when presented with pure steady tones. The Vitalizer adapts the frequency spectrum to the curves of equal loudness, which improves the loudness perception in particular.

I/O

The two channels of the Tube Vitalizer are equipped with Neutrik XLR sockets and jack sockets connected in parallel. The signal transmission is electronically balanced with a nominal level of +6 dB.

I/O SPECIFICATIONS:

  • Instrumentation amplifier, electronically balanced (differential), transformerless, XLR and jack connectors
  • Nominal input level +6 dB
  • Input impedance =22 kOhm
  • Output impedance < 600 Ohm
  • Max. input level +24 dBu
  • Max. output level +22 dBu
  • Minimum load 600 Ohm
  • Relay hard bypass / power fail safety

Product Specifications

Condition New
Package Contents Tube Vitalizer, power cable, and manual
Unit Weight 10.8 lb
Tube or Solid State Tube
Channels Dual-Channel
Chassis 19-inch Rack-mount
Rack Spaces 2U
Input Connectors 1/4-inch TRS, Analog XLR
Output Connectors 1/4-inch TRS, Analog XLR
Analog or Digital Analog
Tube Complement ECC83

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I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.
The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
James P.
Thank you so much! Vintage King has been so fair and easy to work with. I can't thank you enough. It feels good to trust such a hefty purchase to folks who are so helpful and knowledgeable. Vintage King is a sound designers dream store.
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My experience with Vintage King was excellent. The order was here fast considering it was out of stock. The sales person had SKB send it to me directly and I couldn't have been more pleased.
Michael D.
From the minute I placed my order I was kept well-informed through each step in your process. Even though I was buying a comparatively modest piece of gear, your attention to detail made me feel like I was purchasing a six-figure mixing desk.
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