Aries Cerat Ithaka Digital
Image source — © Aries Cerat
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Model name
Ithaka Digital
Conversion type
R2R
Engine
N/A
DSD compatability
N/A
Parameters
up to 24/384KHz
Frequency response low +/- 3dB (Hz)
N/A
Frequency response high +/- 3dB (Hz)
N/A
Gain (dBu)
N/A
Output Level (balanced) (V)
N/A
Output Level (single-ended) (V)
N/A
Input Impedance (balanced) (Ω)
N/A
Input Impedance (single-ended) (Ω)
N/A
Output Impedance (balanced) (Ω)
1
Output Impedance (single-ended) (Ω)
1
Analog outputs
N/A
Signal to Noise Ratio (dB)
N/A
Total Harmonic Distortion + Noise (% at 22 kHz)
N/A
Dimensions (mm)
540 x 580 x 165
Weight (kg)
160
Official link
Kassandra Signature LE is a digital-to-analog converter with a tube output stage. The conversion is carried out using 12 parallel connected AD1865N-K chips per channel, which are multi-bit converters with R-2R matrices with a resolution of 18 bits (24 R-2R matrices); an external power supply unit with rectifiers on gas burners, 5 toroidal transformers and a large capacity storage capacitors.The parallel connection provides higher linearity and reduced noise.
The gem of the Ithaka/Ithaka minor concept is the output stage. Unlike the larger Ithaka model, the Ithaka minor uses Gen1 TriodeFet technology. This particular generation of TriodeFet is the same as in our Essentia and Aperio amplifiers, with some modifications.
The Aries Cerat Kassandra 2 Sig uses eight discrete low-noise regulators, and uses a system of four powerful power supplies based on toroidal transformers. The output stage is powered by an E280F lamp. Via USB, the Aries Cerat Kassandra 2 Sig can receive signals up to PCM 24/384.
Digital-to-analog converter with lamp output stage. The conversion is carried out using 8 parallel connected AD1865N-K chips per channel, which are multi-bit converters with R-2R matrices with a resolution of 18 bits (16 R-2R matrices).
Aries Feat Helene has eight R2R ladders on board (four for each channel) and, of course, is equipped with a proprietary single-stroke tube output stage. Designed by Aries Feat Helene in a traditional ornate case, which houses the most powerful transformers of the PS - the total weight of the system exceeds 40 kg.