ATC HIFI CDA2 CD Pre-Amplifier

CD, Premuum AKM 32 bit DAC, USB, HP Amp

Varenr: ATC HIFI CDA2
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ATC HIFI CDA2 – CD Pre-Amplifier

 

  • All-discrete class-A pre-amplifier with balanced and unbalanced outputs.
  • Two analogue inputs via RCA/phononand one via 3.5mm mini-jack.
  • High performance CD Player.
  • Premium AKM 32-bit DAC.
  • USB digital input supporting up to 384kHz PCM data and native DSD256.*
  • Headphone amp featuring discrete output stage.
  • Handmade in England.
  • 6 year warranty.**

*DSD256 support via PC only (up to DSD128 via Mac).
** TWO years on CD mechanism.

 

  • High resolution USB input capable of handling PCM data up to 384kHz and also DSD64, DSD128 and DSD256 (2.8MHz, 5.6MHz ‘dual’ and 11.2MHz ‘quad’ rates).
  • CD Player updated with a completely new TEAC transport.  This delivers faster play and seek times and much lower mechanical noise.  The new transport is also less susceptible to CD errors/damage/scratches (greater error correction).
  • New high-resolution DAC.  The new AKM chipset delivers lower nose and distortion and an optimised PCB layout brings further improvements to the convertor performance.
  • Power Supply – additional high-performance voltage regulators have been added - for a total of 9 – and their locations on the PCB optimised.  Local power supply decoupling has been further optimised from the Mk1, yielding additional improvements in performance, especially around the new DAC chipset.
  • Additional aux analogue input via 3.5mm mini jack with high input sensitivity for improved compatibility with low output portable devices such as phones and tablets.
  • All discrete Input and Output gain stages.  There are 6 common gain blocks, two for left and right input buffering, and four to provide a “true” differential output for the left and right channels. The positive and negative drivers are arranged in parallel to ensure that the positive and negative signal delays and phase shifts are identical.  The Output stages are configured as unity gain complementary compound (Sziklai) pairs, biased in class A.

CD PLAYER

Distortion: 
1kHz < 0.0015% (-96dB)
10kHz < 0.003% (-90dB)
Frequency Response (20Hz–20kHz): +/- 0.2dB

PRE-AMPLIFIER

Frequency Response (-3dB): < 2 Hz – > 280 kHz
Distortion (1kHz): <0.0008% / 102dB
Input sensitivity for 2V Output: Aux inputs 600mV 3.5mm inputs 400mV
Maximum Output Level: Phono 9.2V r.m.s XLR 18.4V r.m.s.
Overload Capacity: 13dB
Input Impedance: 14k Ohms
Output Impedance: 10 Ohms
S+N/N Ratio:
Wide Band >96dB
DIN >108dB
IEC “A” >112dB
Absolute Phase:
Phono Zero Degrees
XLR Zero Degrees, Pin 2 Hot
Output XLR CMRR (100Hz – 10kHz): >60dB

DIGITAL INPUTS Optical and Coaxial

Distortion:
<0.001% at all supported sample rates
44.1kHz, 48.0kHz, 88.2kHz, 96.0kHz, 192.0kHz*
* 192kHz supported via coaxial input only

DIGITAL INPUTS USB
Distortion:

<0.001% at all supported sample rates
44.1kHz, 48.0kHz, 88.2kHz, 96.0kHz, 176.4kHz, 192.0kHz, 352.8kHz, 384kHz

SUPPORTED WORDLENGTHS
Optical and Coaxial: 16bit and 24bit
USB: 16bit, 24bit and 32bit

DSD
Frequency Response -1dB: < 10Hz – 50kHz
Supported DSD Rates:
Windows DSD64, DSD128 and DSD256
MacOS DSD64 and DSD128

PHYSICAL

Dimensions (HxWxD): 90 x 445 x 330mm (3.5? x 17.5? x 13?)
Weight: 7kg / 15.4Ilbs

 

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