DS Audio

The Aavik R-X88 phono preamps series includes three models: R-188, R-288, and R-588, designed for MC and DS Audio optical cartridges.

Noise reduction is achieved using Tesla coils and dither circuitry, with the R-588 utilizing up to 108 active Tesla coils and 9 dither circuits.

All models feature a floating RCA input with gain options of 58dB-64dB, and a dedicated optical cartridge input with 26dB of gain.

Backert Labs introduces the Optik Phono 1.1, a phono preamp/EQ tailored for DS Audio optical cartridges, designed by Bob and Gary Backert.

Features include dual 12AU7 tubes, two tonearm inputs for seamless switching, and compatibility with mono and stereo DS Audio cartridges.

Equipped with front-panel switches for high/low gain, input selection, and mute, the design emphasizes user-friendly functionality.

Exposure 5510 is a flagship integrated amplifier offering 120 W per channel at 8 Ohms with advanced expandability options.

Features modular options including DAC and phono preamp modules (MM, MC, DS Audio optical), granting versatile functionality.

Includes six RCA line inputs, two speaker terminal pairs, two pre-out lines, and a record-out for comprehensive connectivity.

KECES Ephono+ features an external linear power supply, ensuring signal isolation and minimal noise interference for enhanced audio fidelity.

This phono preamplifier supports MM, MC cartridges, and DS Audio optical pickups, offering universal compatibility for vinyl enthusiasts.

Adjustable parameters include MM/MC gain levels and impedance values, providing tailored configurations for diverse audio setups.

Backert Labs' Optik Phono 1.1 is a high-end optical cartridge equalizer priced at $11,500, designed exclusively for DS Audio cartridges with two independent tonearm inputs for seamless switching.

Unlike conventional phono stages, it applies external RIAA equalization, leveraging DS Audio's light-based cartridge system for lower noise, higher resolution, and improved tracking accuracy.

Key features include automatic tube biasing for longevity, dual-mono power supplies, balanced XLR and RCA outputs, and IsoAcoustics Gaia feet for mechanical isolation.