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

Synthesis Soprano amplifier

Soprano - 12W A-Class Integrated stereo tube amplifier
Following the success of the much-celebrated NIMIS, Synthesis took on the challenge of recreating a 12W A-Class integrated stereo tube amplifier. Using a new technologies a new business development and Luigi Lorenzon’s constant pursuit of perfection, he succeded in creating an entry level amplifier that is able to satisfy even the most dedicated audiophile.
New model of stereo tube amplifiers with DAC's on board, guaranteeing exceptional sonic performance from any digital source.
Made with the finest materials & advanced technology, this series is a sophisticated blend of research & experience.
Designed without compromise far a rich sound & faithful music reproduction.
The SOPRANO provides a minimum of 12 Watts per channel, power output from a pair of EL84's in Ultra-Linear (UL) - push/pull operation.
The SOPRANO features a newly designed custom output transformer resulting in a rich sound stage but with an authority that belies its 12Wpc

- USB -
DAC on board 24bit for a extraordinary listening experience from computer’s file.
- Phono Stage -
Hi quality Phono stage for MM cartridges.
-SPDIF inputs (Coax and Optical) Built around a AKM chip. 24 Bit 192KHz Hi Quality DAC for an extraordinary sound result.
- Output Transformer -
The Output transformer uses a Hi-Grade iron-Silicon for superb frequency reproduction & width. With this newly designed custom output transformer unique to the Soprano we are able to achieving a highly delicate & precise sound reproduction faithful to the original recording.
- Mechanical Chassis Construction -
The power supply & output transformers are held by an extremely rigid structure that keeps the unit free from unwanted vibrations which further helps reduce unwanted noise to the tubes.
- Binding Posts -
Gold plated professional binding posts for a continued oxidization free connection further improve sound refinement.
- Sockets -
Ceramic sockets for a continued oxidization free connection further improve sound refinement.
- Components -
Components for the amplifier have been selected with great care throughout. Only the best available components are considered & all must undergo an exhaustive analysis of their sonic influence prior to final selection.
- Selected Tubes -
All tubes used are selected after 2 stage warm up. A fully computer monitored machine controls the process & at the end of this, selects the perfect tubes which are then matched for a perfect balance.

Technical Specifications:
Power Stage (1 ch.):  Matched pair EL84/6BQ5
Input Stage (1 ch.):  Hi Performance audio OP-AMP JRC4580
Driver (1 ch.):  Matched pair MJD340 (Designed for audio amplifier)
Input Impedance:  100 k  
Input Sensitivity:  100 mV RMS for rated power
Output Tap:  6  
Power Stage Config.:  Push-Pull Ultra Linear 43% tap
Power Output:  12 W RMS into 6  A-Class
Power Bandwidth:  15 Hz to 50 kHz  -3,0 dB
Frequency Response:  20 Hz to 20 kHz  -0,5 dB
Distortion:  1% at 1 kHz max power (12W)
Signal-to-Noise ratio:  90 dB A weighted
Analogue Inputs:
1 Line,
1 Phono MM (47 k ) 40 dB gain
Digital Inputs:
1 SPDIF coax, 1 SPDIF optical 1 USB “B” type Windows/Mac/iOs/Android compatible
Max Resolution:  1 SPDIF coax, 1 SPDIF optical 1 USB “B” type Windows/Mac/iOs/Android compatible 24 Bit 192KHz
Remote Control:  Volume and Sources control
Power Requirements:  230 V AC 50 Hz (120 V AC 60 Hz) - 80W maximum
Dimensions (W x H x D) :  310 x 150 x 295 mm (12,2” x 5,9" x 11,6”)
Weight:  10,0 Kg (22.0 lbs)

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