12.06.2025 06:31 | ~1 minute read
The innovative Thrax Audio Cotys phono preamplifier is presented – a model designed for fans of High-End equipment and developed in Bulgaria. The device is designed to work with MC cartridges and uses a fully balanced RIAA equalizer based on LCR filters. The innovative differential input stage and nanocrystalline inductors set a new standard for noise levels – it does not exceed 70 nV! Fully adjustable load/gain (100 – 1,000 Ohms and 50 – 70 dB) is the cherry on the cake.
Developed by the company's founder Rumen Artarski based on user requests and personal 30 years of experience, Cotys is created specifically for modern MC cartridges – with the lowest noise level, maximum flexibility and absolute sound purity. Two independent MC cartridge inputs are precisely matched to low output, high impedance cartridges.
Image source - (c) Thrax Audio
This product is in the Hi-Fi and High End Electronics and Acoustics database
Model name
Cotys
Inputs (balanced)
N/A
Inputs (single-ended)
N/A
MC current-sensing input impedance (Ω)
N/A
MM/MC voltage input impedance (Ω)
1 - 100
Output impedance (Ω)
N/A
Gain (dB)
50 - 70
Playback EQ curves accuracy (dB)
N/A
Frequency response low +/- 3dB (Hz)
N/A
Frequency response high +/- 3dB (Hz)
N/A
Total Harmonic Distortion + Noise (%)
N/A
Dimensions (mm)
N/A
Weight (kg)
N/A
Official link
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