Dan D'Agostino Relentless Preamplifier

The Relentless Preamplifier is designed with a dedicated power supply situated between its two audio channels, offering extensive electrical and magnetic shielding to eliminate interference. Powered by two 150 VA toroidal transformers, it delivers clean, efficient power to both analog and digital stages, ensuring minimal distortion and optimal performance. With a robust 26,400 microfarads of capacitance and advanced regulators derived from the Relentless Mono amplifier, its power supply is comparable to that of many power amplifiers, providing exceptional clarity and control.

At the core of the Relentless Preamplifier is a new discrete differential FET input stage, capable of handling signals up to 30 volts. This advanced design, paired with a high input impedance, ensures immunity from source-related electrical issues. The preamplifier also features a unique circuit to maintain a stable bias, preventing performance degradation due to temperature changes. With balanced XLR inputs and a wide bandwidth, it rejects noise and delivers incredibly accurate, transparent sound, making it ideal for critical listening.

One of the standout features of the Relentless Preamplifier is its dual volume controls, each consisting of 14 separate metal components for precise adjustment. These controls preserve high-frequency clarity and dynamic range, unaffected by volume settings. The volume levels are elegantly displayed via Swiss-inspired volume wands or numerically, ensuring a refined user experience.

Designed for versatility, the Relentless Preamplifier operates as a two-source, two-zone device, allowing independent control over two separate audio zones. Whether used for two analog sources or, with the optional digital streaming module, one analog and one digital source, it offers flexibility for a variety of setups. In multi-zone configurations, each volume control can manage different zones, providing customized control for each area.

The preamplifier’s machined aluminum and copper remote control offers a tactile touchpad interface and utilizes Bluetooth 5.0 for extended range and bi-directional functionality. This remote allows users to easily adjust input, volume, and balance, with all changes reflected on the display.

In addition to its stereo playback excellence, the Relentless Preamplifier seamlessly integrates into home theater systems. With Theater Bypass, RS-232 and 12-volt triggers, and optional DC power outputs for future expansion, it is designed to enhance a full-range audio setup.

For enhanced digital performance, the optional Digital Streaming Module (DSM) adds connectivity for legacy sources, USB functionality, and streaming services such as Tidal, Qobuz, and Spotify. Capable of decoding PCM signals up to 32-bit/384 kHz and DSD256 (11.2 MHz), the DSM offers outstanding digital performance. The balanced connections route the final analog signal through the preamplifier’s advanced power and analog circuitry, ensuring the highest sonic quality.

Combining innovative technology, premium materials, and expert craftsmanship, the Relentless Preamplifier is a true centerpiece for the ultimate music system.