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What is stereo?




There are now two system of high fidelity, monophonic (monaural) and stereophonic. Monophonic is a system that starts from one microphone and is fed through a single high fidelity set. Stereophonic is a double system. Two separate microphones are placed at different sides of the orchestra and two different systems are used to keep the two signals or channels separated. Two separate speakers are used, placed on different sides of you room. Stereo is much like 3-D photography, two slightly different sound reach your ears giving you a new dimension in sound.



H.H. Scott '59





Wadia S7i


The Wadia S7i CD player  DAC / Digital Preamplifie r is the latest generation of our highly acclaimed series of high performance integrated digital audio playback products. Fifteen years ago, Wadia was the first to develop proprietary digital components that blended the functionality of a CD player, digital preamplifier and processor in one product. Today, the S7i platform not only provides reference quality CD playback, but also serves as a flexible and complete digital hub managing and optimizing the performce of today ’s principle digital sources . The S7i combines exceptional disc playback technology, our best integrated decoding computer technology, and digital source management. It is at our - de - force solution for any music lover wanting the very best musical performance, with out the complexity of multiple digital components.

Series 7 is Wadia’s highest designation for integrated digital products. Not surprisingly, the all-new CD transport exemplifies series 7 level playback performance. This exceptional transport was designed in collaboration with the Austrian company Stream Unlimited. Wadia co-engineered many details of this design, including an application-specific servo system optimized for the newest generation of Wadia playback machines. The results exceeded even our own expectations.


Technical Specifications
Transport:  Modified CD and Data Drive
Power Supply:  Dual transformers in internal isolation chamber
Decoding Software:  3 user selectable upsampling algorithms including DigiMaster v2.5
Compatible Formats:  Red Book CD, CD-R, CD-RW, MP3, FLAC and WMA
DAC Sample Rate:  1.4112 MHz
Digital Volume Control Range:  50 dB in one hundred 0.5 dB steps
Maximum Output Voltage:  Can be adjusted via internal switches from 0.3 V to 4.25 V to match system sensitivity
Output Impedance:  Less than 15 Ω
Digital Inputs:
1 USB - The Wadia USB input accepts the following sample rates: 44.1k, 48k and 96k
1 AES/EBU (XLR)
1 SP/DIF (BNC)
1 Plastic Optical (Toslink)
Digital Outputs:
1 Glass Fiber-Optic (ST)
1 AES/EBU (XLR)
1 SP/DIF (BNC)
1 Plastic Optical (Toslink)
Analog Outputs:
1 pair balanced (XLR)
1 pair unbalanced (RCA)
Both can be used simultaneously
Power Consumption:  25 watts
Dimensions (HxWxD):  184 x 432 x 420 mm (7.25 x 17 x 16.5 inch)
Finish Options:  Black or Silver Anodized Aluminum


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