The fonolab Qvattvor 4x4 Dual Mono MC Step-Up transformer Fonolab, January 10, 2025

The fonolab Qvattvor 4x4 Dual Mono MC Step-Up transformer

fonolab proudly introduces the 2nd generation of the Qvattvor 4x4 Step-Up Transformer

The new Qvattvor 4x4 SUT features a compact steel case in a dual mono configuration.



It offers RCA input connectivity, with outputs available in either XLR or RCA, all while preserving the integrity of the original balanced circuitry.

- Four matched Tamura Step-Up Transformers inside
- New dual mono perfect shielded, reduced-size metal case of a classic design
- Available with XLR or RCA output

The new Qvattvor 4x4 model has been meticulously designed for use with high-performance MC cartridges, catering to audiophiles and professionals who demand the highest level of precision.



This model excels in preserving the full spectrum of detail extracted from the record groove, ensuring an unparalleled listening experience that captures every nuance of the original recording.

The new QVATTVOR 4x4 Dual Mono model has been meticulously designed for use with high-performance MC cartridges, catering to audiophiles and professionals who demand the highest level of precision.

This model excels in preserving the full spectrum of detail extracted from the record groove, ensuring an unparalleled listening experience that captures every nuance of the original recording.

The SUT uses a quartet of specially selected Tamura transformers with a 2% tolerance.

A wider frequency range of 10Hz-110kHz and a very low distortion of less than 0.05% in the range of 20Hz-20kHz at 1mV input are accomplished.

Short signal path, additional shielding, compact design and all the benefits of a balanced solution without unnecessary features.

Specifications:

Input impedance: 0-3 / 40 Ohms
Output impedance: 4k Ohms
Frequency response: 10Hz to 100kHz (+-1.0dB)
Chanel separation: more than 60dB (20Hz-50kHz)
Ratio: 1:36 / 1:10
Phase characteristics: Within 10° (20Hz-50kHz)

Aailable in a Silver Aluminium front panel.

The SUT offers RCA input connectivity, with outputs available in either XLR or RCA.

Press Release Documents

Website Address

https://fonolab.com/
More Press Releases
May 12, 2023
Houchmand
Breaking in a new æra for audiophiles
Stop listening to music. Start feeling it. HOUCHMAND presents a luxury HiFi system with a holistic approach. This means: no more compromise between sound, quality or design. Handcrafted in Germany, HOUCHMAND is here to bring you an exceptional experience of music.
Read more
January 11, 2025
Akustika Eterna
Introducing (volume)3 LUMEN – a passive 'preamplifier'
Today, we introduce something extraordinary — a creation that transforms the way you connect with your music collection.
Read more
June 18, 2025
Shunyata Research
Introducing Everest-X
Shunyata Research is proud to announce the release of the Everest-X, the most advanced power distributor in the company’s 25-year history. As the successor to the award-winning Everest 8000, the new technologies deployed in Everest-X represent a dramatic advance in the pursuit of absolute fidelity in recording, mastering and listening systems.
Read more
FOLLOW US