DAC and Preamplifiers

ZeroUno is much more efficient than conventional products, letting your system reproduce the whole music range, from the extreme low frequencies up to the extreme high levels, driving with authority your power amplifier or your preamplifier. ZeroUno has the ability to drive with coherence from low to the mid-high range, achieving a natural listening experience.

The DAC stage inside any ZeroUno is always the same; SSD, SE, PLUS and ULTRA models.

The ZeroUno differ in the output stage, not matter of bandwidth, filters, or equalization but a different technology: transistors or tubes or hybrid.

The ZeroUno can be interfaced to any preamplifier or integrated amplifier with authority, reducing the influence of the interconnection cables. Do not be surprised if at the end, the cables will be not so fundamental to the listener as before.

The ZeroUno can be upgraded with the PRE_STAGE so to drive directly almost any power amplifier, bypassing the preamplifier (picture below); don’t be surprised if the sound will become more natural and more dynamic, and the cables are not needed with huge benefits for the transparency and dynamic.

The PRE_STAGE is optional and can be installed into the ZeroUno SSD, ZeroUno SE and ZeroUno SE ULTRA

Thanks to the ZeroUno versatility it is possible to experiment both implementations, with or without the preamplifier, and swap from one to the other at any time.

The ZeroUno offers an uncommon flexibility.

The ZeroUno family … a DAC for any needs, for any system because any ZeroUno has got the same
engine but a different output stage, because any output stage has its own fingerprint

 

1st Selection Guide

 

ONLY DIGITAL INPUTS

DIGITAL and ANALOG INPUTS

Puristic DAC

ZeroUno PURE

–

Transistors DAC

ZeroUno HPA

ZeroUno SSD

Triodes DAC

ZeroUno SE

ZeroUno PLUS

Hybrid (triodes & jFET) DAC

ZeroUno SE ULTRA

ZeroUno PLUS ULTRA

 

2nd Selection Guide 

ZeroUno family

Brief description

Digital inputs

Analog inputs

DAC

Pure

DAC w/ transformer output stage

4

–

DAC

HPA

DAC + transistor Line Output + headphone amplifier

4

–

DAC

SSD/dac

DAC + transistor Line Output

4

–

PRE & DAC

SSD/pre

Preamplifier with DAC + transistor Line Output

4

2

DAC

SE/dac

DAC + 6SN7 tube output stage

4

–

DAC

SE-ULTRA/dac

DAC + ECC83 (ECC88) + 2sk170 hybrid output stage

4

–

PRE & DAC

PLUS

Preamplifier with DAC + 6SN7 tube Output Stage

4

2/3

PRE & DAC

PLUS-ULTRA

Preamplifier with DAC + ECC83 (ECC88) + 2sk170 hybrid output stage

4

2/3

 

3rd Selection Guide

ZeroUno DAC

Brief description

Digital inputs

Analog inputs

DAC

Pure

DAC w/ transformer output stage

4

–

DAC

SSD/dac

DAC + transistor Line Output

4

–

DAC

SE/dac

DAC + 6SN7 tube output stage

4

–

DAC

SE-ULTRA/dac

DAC + ECC83 (ECC88) + 2sk170 hybrid output stage

4

–

 

4th Selection Guide

ZeroUno PRE & DAC

Brief description

Digital inputs

Analog inputs

PRE & DAC

SSD/pre

Preamplifier with DAC + transistor Line Output

4

2

PRE & DAC

PLUS

Preamplifier with DAC + 6SN7 tube Output Stage

4

2/3

PRE & DAC

PLUS-ULTRA

Preamplifier with DAC + ECC83 (ECC88) + 2sk170 hybrid output stage

4

2/3

 

ZeroUno OPTIONALS

Volume Control For PURE, SSD, SE

Black Beauty set up

Balanced XLR-Output

i2S-input

XLR-Input for HiEnd CD transport

balanced Analog Input – XLR

3rd analog input

 

ZeroUno UPGRADE

from SE/dac to PLUS

from DAC 1st and 2nd series to SE/da, USB board excluded

from SE/dac to SE-ULTRA/dac

from PLUS to PLUS-ULTRA

USB board 01MKII able of MQA, Roon Ready

Spare Remote Controller

Product Information

THE TRANSISTORS BASED DAC & PREAMPLIFIERS

SOLID STATE DAC

ZeroUno PURE DAC

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

► DSD based SABRE32 chip

► Pure Amorphous transformers output

► No global feedback

► 2Vpp output swing

► ultralow-noise power supply design

► ultra-low jitter clock

► 14 separated power supplies

SOLID STATE DAC

ZeroUno SSD DAC

► Ultra Linear Transistors based output DAC

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

► Ultra Linear, PURE CLASS A, Solid State output stage – full discrete

► No capacitors on the signal line

► DSD based SABRE32 chip

► Amorphous transformers output

► No global feedback

► 24Vpp output swing

► (OPTIONAL) PRE_STAGE interface module:

  1. 32bits digital volume
  2. 124 steps analog volume
  3. 2 RCA analog inputs (XLR optional)

to use the ZeroUno SSD as a preamplifier

HEADPHONE AMPLIFIER WITH ZeroUno PURE INSIDE

ZeroUno HPA DAC

► Ultra Linear Transistors based output DAC

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

► Ultra Linear, PURE CLASS A, Solid State output stage – full discrete

► 140 steps digital 32 bots volume

► No capacitors on the signal line

► DSD based SABRE32 chip

► Amorphous transformers output

► No global feedback

► 24Vpp output swing

► Ultra-low-noise power supply design

► Ultra-low jitter clock

► 21 separated power supplies

► (OPTIONAL) PRE_STAGE interface module for 2 RCA analog inputs (XLR optional) to use the ZeroUno HPA as a preamplifier

p2

THE TRIODES BASED DAC & PREAMPLIFIERS

DIGITAL INPUTS WITH LINE TUBE STAGE

ZeroUno SE DAC

► 6SN7 Tube Based Output DAC

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

► 6SN7 tube output stage, including CV181

► DSD based SABRE32 chip

► Amorphous transformers output

► No global feedback

► 5Vpp output swing

► ultralow-noise power supply

► ultra-low jitter clock

► 14 separated power supplies

► (OPTIONAL) PRE_STAGE interface module with 140steps digital 32 bits volume to use the ZeroUno SE as a preamplifier

DIGITAL and ANALOG INPUTs WITH LINE TUBE STAGE

ZeroUno PLUS

► 6SN7 Tube Based Output Preamplifier

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

► 2 analog inputs

► Analog volume control

► DSD core – SABRE32

► Amorphous transformers output

► No global feedback

► 5Vpp output swing

► ultralow-noise power supply

► ultra-low jitter clock

► 17 separated power supplies

THE HYBRID DAC & PREAMPLIIERS

DIGITAL AND ANALOG INPUTS WITH HYBRID LINE STAGE

ZeroUno SE ULTRA DAC

► Hybrid Based Output – ECC88 tube and 2SK170 FET – DAC

► 4 digital inputs: RCA, XLR or BNC, USB, OPTIC, i2S optional

► ECC88/ECC82 and jFET SK170 in parallel  output stage

► DSD core – SABRE32

► Amorphous transformers output

► No global feedback

► Direct output without capacitors

► 30Vpp output swing

► ultralow-noise power supply

► ultra-low jitter clock

► 17 separated power supplies

► (OPTIONAL) PRE_STAGE interface module with 140steps digital 32 bits volume to use the ZeroUno SE as a preamplifier

DIGITAL AND ANALOG INPUTS WITH HYBRID LINE STAGE​

ZeroUno PLUS ULTRA

► Hybrid Based Output – ECC88 tube and 2SK170 FET

► 4 digital inputs: RCA, XLR or BNC, USB, OPTIC, i2S optional

► 2 analog inputs, balanced or unbalanced

► Analog volume control

► ECC88/ECC82 in parallel with jFET SK170 output stage

► DSD core – SABRE32

► Amorphous transformers output

► No global feedback

► Direct output without capacitors

► 30Vpp output swing

► ultralow-noise power supply

► ultra-low jitter clock

► 19 separated power supplies