FONOLAB SVPER QVATTVOR True Balanced MC Step-Up Transformer

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SVPER QVATTVOR Utility True Balanced MC Step-Up Transformer with optional MM/MI Step-Up transformer module

Combining the strengths of the all QVATTVOR line and maintaining the transparency of the 4x4 Reference Model was not easy: presented at High End Munich 2021, the fully balanced QVATTVOR showed the direction in which we began to move in maintaining a balanced form of the MC cartridge signal.

Simultaneously, over the past few years, thanks to many feedbacks, we have come to understand the need to expand nonstandard functionality and implement a number of solutions aimed at reducing vibrations and improving shielding in general.

As a result, the new SVPER QVATTVOR has got a damped robust steel housing, inside which, in addition to the quartet of fully balanced Step-Up transformers from the 4x4 Reference

Model can be installed an additional shielded module with unbalanced MM Step-Up transformer line with 1:2 ratio.

The Demagnetizer button is also brought to the front to easy to use. Heavy aluminum front panel with original solid sphere knobs on black glossy finish gives a clean stylish aesthetics.

Features

True balanced configuration

New damped steel case

Two matched pairs isolated transformers in MC section selected by a quartet

A wide frequency range of 10Hz-120kHz and a very low distortion of less than 0.05% in the range of 20Hz-20kHz at 1mV input

Optional MM 1:2 Step-Up transformer module

Minimal internal wiring

Silver-plated Neutrik XLR sockets for balanced source

Gold-plated RCA phono sockets with Teflon insulation for two inputs and two outputs

Specifications:

Input impedance: 0-5 / 40 Ohms

Output impedance: 4k Ohms

Frequency response: 10Hz to 120kHz (+0.5dB–1.0dB)

Channel balance: within 0.5 dB

Ratio: 1:33 / 1:10

Phase characteristics: Within 10° (20Hz–50kHz)

Optional MM/MI module

DC Resistance (primary): 1000 Ohms

DC Resistance (secondary): 2000 Ohms approx

Frequency response: 5Hz to 100kHz (+-0.5dB)

Ratio: 1:2

QVATTVOR Symmetrical Balanced Step-Up Transformer

Today, when balanced circuits have become the de facto standard for high-end audio design, we are proud to present our vision of transformer amplification for MC cartridges.

Based on our years of experience with vintage transformers, we have applied all our knowledge to create a fully balanced MC Step-Up transformer to work with classic and modern high-quality cartridges.

Matched pair of Tamura Super permalloy core transformers is used for each channel in fully balanced topology.

Transformers which has both ultra-wide band and ultra-small distortion with the possibility of connecting cartridges with an impedance of 0-3 and 40 Ohms. 

Traditional Tamura sound in true balanced design with modern shielding and damping technology brings a new level of ultra-low noise and high resolution.