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INTRODUCTION

INTRODUCTION - CanEVER AUDIO®

Even very critical listeners accept computer audio as a music source very well. A real landmark in the evolution of computer audio has been the introduction of the asynchronous transfer mode, which is available for standard industry use since 2006, using the USB 2.0 interface of standard personal computers. Drivers based on this technology transfer digital music files from a computer to a DAC independently from the - mostly very inaccurately working - internal clock of the computer. All necessary timing now can handled by much more precise oscillators inside the DAC. 

Although the market today is flooded by a huge number of DACs ranging from prices of a few hundred Dollars to 10 to 20 k€ or even more, the claim made inside numerous marketing brochures, that the customer now (finally) gets the perfect sound forever is unfortunately (still) not true! It has been not true in 1982 as SONY and PHILIPS introduced the CD with fanfares of marketing - including the support of worldwide famous artists of those times (e.g. Herbert von Karajan) -  and it is still not true today - sorry! 

Not only is the number of different DACs offered today not easy to overlook by the interested customer. The sound of those DACs can be very different as well – independent from the individual price point. And even very expensive DACs sometimes offer on one hand a very detailed, but on the other hand a crispy sound full of details mainly in the mid to high frequencies, which impress the listener in the first run, but make our brain tired while listening for some hours.

Mostly very experienced customers, who grew up with vinyl sound, complain about the sometimes harsh and cold sound of DACs. For those, who are interested in all the great features of computer audio too, it is not an easy task to find a DAC, who´s sound fits into the analogue sound patterns, they are used to. 

Based on this market situation, CanEVER AUDIO® together with a group of experienced listeners developed the ZeroUno  DAC. The design goal was to create a DAC, which is able to present all the details of the recorded material, but never makes the brain of the user nervous. Instead of this, the ZeroUno  DAC should simply play music to enjoy and relax even after many hours of constant listening.

let the music play

let the music play - CanEVER AUDIO®

Although the ZeroUno  DAC is offering high performance technical data, it is impossible to judge it´s value based on these only. The result of the D/A conversion in the ZeroUno  DAC is a natural, warm, not harsh and very dynamic sound, which is not polished to exhibit the last possible details, but to 

... let the music play ...  

Looking at directly heated triode based tube amps (e.g. 300B, 2A3 or 211 and 845) or tube amps in general one can make similar observations. From a pure engineering point of view, there is no reason to prefer a tube amplifier over a transistor based amplifier. Most of the technical measurements are even voting against a tube amp. However, if we do not leave it up to the instruments alone to qualify such an amp and instead we use our ears to listen and feel our emotions, the picture in many cases can change a lot!  

Have fun with the ZeroUno  DAC!

Friends-of-audio

Friends-of-audio - CanEVER AUDIO®

A real thanks to Rainer Israel of Friends-of-Audio Germany that since the beginning stimulated me to reach the actual performances of the ZeroUno DAC and ZeroUno PLUS.  

ZeroUno DAC

Stereophile: "strongly recommended"

Digital Audio Converter with integrated a preamplifier.

4 digital inputs: RCA, XLR or BNC, USB, OPTIC.

Digital 32bits volume control.

Tube output stage based on CV181MKII.

ES9018 with Transformers output.

No global feedback.

5Vpp output swing,

 

On Positive Feedback by Roland Dietl.

On Stereophile by Art Dudley.

On Fidelity by Helmut Hack .

 

 

ZeroUno PLUS

FIDELITY Germany: "very transparent with high degree of natural beauty"

Digital Audio Converter with integrated a line preamplifier.

4 digital inputs: RCA, XLR or BNC, USB, OPTIC.

2 analog inputs, optionally attenuated by 3: transformers (RIAA input)

Analog volume control.

Tube output stage based on CV181MKII.

ES9018 with Transformers output.

No global feedback.

5Vpp output swing,

 

On Fidelity by Stefan Gawlick:  

"The CanEVER ZeroUno plus combines a really grandiose DAC with an analog preamplifier that goes far beyond its price range"

ZeroUno HPA

6moons BLUE MOON Award

Digital Audio Converter with integrated a preamplifier.

4 digital inputs: RCA, XLR or BNC, USB, OPTIC.

2 headphone sockets, balanced and unbalanced. 30 to 600W.

Digital 32bits volume control.

Ultra Linear Solid State output stage without capacitors on the signal line.

ES9018 with Transformers output.

No global feedback.

±15Vpp output swing,

 

 

 LA SCALA POWER AMPLIFIER

 

World Exclusive Awars 2019-2020

 output power of 120 W per Channel (90 Wrms – 180 Wpeak) in pure class A with very low distortion.

4 Ohm and 8 Ohm selectable impedance at the output.

NO capacitors on the signal path!.

Output current stage with buffer configuration.

NO Global Feedback!

Smart BIAS control circuit (supervised by a microprocessor)

Huge power supply with 1900 Wrms of reservoir power in dual-mono configuration.

Power supply with massive inductive filter and high current capacitors

Each stage of the La Scala is powered by its dedicated power supply

soft start at power on

Massive aluminum and stainless-steel cabinets (21Kg amplifier 39Kg power supply)

 

Take a look on Mono&Stereo (best amplifier of 2019) and on Positive Feedback

 

 

 Olimpico POWER AMPLIFIER

6moons: "Congratulations to Mario Canever for a very distinctive amplifier"

  

Output power of in pure class A with very low distortion

NO capacitors on the signal path!

output current stage with buffer configuration

NO Global Feedback!

 

Hybrid Switching Mode Power Supply – Audio Grade

 

massive aluminum and stainless-steel cabinets (21Kg amplifier 5Kg power supply)

 

Take a look on 6moons https://6moons.com/audioreview_articles/canever2/