Pathos InPol Legacy Integrated Amplifier

The Ultimate Expression of Pure Class A Amplification

The Pathos InPol Legacy Integrated Amplifier is a remarkable statement of high-end audio engineering, combining uncompromising performance, distinctive Italian design and over 25 years of innovation. Created as a tribute to co-founder Gaetano Zanini, the InPol Legacy represents the pinnacle of Pathos Acoustics’ amplifier design, bringing together the brand’s celebrated technologies in an extraordinary reference-level component.

At its heart lies Pathos’ patented dual InPoL (Inverted Parallel Single-Ended) amplification technology, operating in a fully balanced bridged configuration. Designed for pure Class A operation without global negative feedback, this innovative architecture delivers exceptional musical expression, outstanding detail and remarkable tonal purity. With 100 watts per channel into 8 ohms, the InPol Legacy combines effortless dynamics with the finesse and control required to reproduce even the most demanding musical passages.

A carefully engineered valve preamplifier stage, featuring four Tung-Sol ECC803 valves and two Sovtek 6H30 valves, brings a beautifully balanced character to the presentation. Rich tonal colours, natural timbres and a fluid, spacious soundstage combine to create an engaging listening experience that is both highly revealing and wonderfully refined.

The InPol Legacy’s sophisticated dual-mono power architecture draws on the engineering expertise behind Pathos’ flagship Adrenalin and InPower models. Two substantial toroidal transformers independently power each channel, supported by carefully designed filtering and stabilised power supplies. A dedicated valve power supply, individual channel transformers and shielded signal paths further contribute to excellent channel separation, low noise and precise stereo imaging.

Every detail has been considered to preserve signal integrity, including a 100-step passive volume control employing precision resistors and relay switching. Balanced XLR and unbalanced RCA inputs provide flexible system integration, while premium Neutrik and WBT connections reflect the amplifier’s uncompromising approach to construction.

Equally impressive in physical presence, the InPol Legacy weighs a substantial 140 kg, reflecting its ambitious engineering and high-quality internal components. Its imposing proportions and distinctive design make it a centrepiece for the most ambitious high-end listening rooms. Dedicated transport provisions and a purpose-designed cabinet are available to accommodate its considerable size and weight.

The Pathos InPol Legacy is more than an integrated amplifier; it is a celebration of musicality, craftsmanship and technological innovation. For listeners seeking the emotional immediacy of valve amplification alongside the authority and precision of advanced solid-state engineering, it offers a compelling expression of Pathos’ distinctive approach to high-end audio.

Key Features

• Reference-level stereo integrated amplifier

• Pure Class A operation with patented dual InPoL technology

• Fully balanced bridged amplification architecture

• Valve preamplifier featuring 4 × Tung-Sol ECC803 and 2 × Sovtek 6H30 valves

• 2 × 100 W output into 8 ohms

• Dual-mono power supply with two substantial toroidal transformers

• 100-step passive volume control with precision resistors and relay switching

• Three balanced XLR and three unbalanced RCA line inputs

• Premium Neutrik and WBT connections

• Impressive 2 Hz–100 kHz frequency response

• Supplied in brand-new condition in original retail packaging

• Manufacturer: Pathos Acoustics

• Warranty: 2 years

Technical Specifications