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 19, 2025
Bang&Olufsen
Bang & Olufsen unveils the Beoplay H100 Charles Leclerc Limited Edition: A fusion of Monégasque elegance and Danish acoustic mastery
Today, Bang & Olufsen proudly introduces the launch of the Beoplay H100 Charles Leclerc Limited Edition created in close collaboration with Global Brand Ambassador, Charles Leclerc. Drawing inspiration from the serene blue tones of Monaco's coastline, this exclusive edition is a tribute to Leclerc's design sensibility and Bang & Olufsen's century-long legacy of acoustic excellence and craftsmanship.
Read more
May 9, 2024
Arcam
ARCAM Bolsters Radia Series with New Streaming Systems and Digital Audio Player
HARMAN Luxury Audio Group today unveiled three new additions to the ARCAM Radia Series line-up. The ARCAM ST25 is a digital audio player designed to maximise the performance of separates-based set-ups. Joining it are the ARCAM SA35 and ARCAM SA45 all-in-one systems that integrate G Class amplification and high-resolution music streaming to deliver no-compromise audio from single chassis designs.
Read more
October 8, 2024
Focal
Introducing Focal Lensys Professional: Headphones accuracy anywhere
Focal introduces a new model in its line of headphones designed for producers, sound engineers, musicians, and composers: Lensys Professional. Crafted in the French audio brand’s own workshops, the new addition is a high-resolution work tool for in-studio use or creating music on the move.
Read more
FOLLOW US