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
February 21, 2025
Ultrafide Audio
Harnessing the power of the gods with our new DIAS amplifier
Rooted in ancient Greek mythology, Dias was the original name for Zeus – the king of the gods, a symbol of strength, authority and mastery. Just as Zeus ruled the skies with thunder and lightning, Ultrafide’s DIAS-U8 commands sound with raw energy and impeccable precision, delivering a breathtaking and perfectly controlled sonic experience.
Read more
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
April 30, 2025
Audiovector
R 10 ARRETÉ
Another boundary, broken. A new benchmark, set. The new Audiovector R 10 Arreté is here. Developed entirely from the ground up, our most advanced loudspeaker yet opens a whole new dimension in sound.
Read more
FOLLOW US