PS Audio Stellar Strata Mk2 Integrated Amplifier

Stellar Strata

The new Stellar™ Strata MK2™ combines the benefits of an exceptional analog preamplifier, a full-featured state-of-the-art DAC, a stereo 150-watt per channel power amplifier, and an amazing sounding MC/MM phono stage in one gorgeous package. Strata MK2's fully balanced analog preamplifier circuitry, state-of-the-art DAC, no compromise high-definition phono stage, and MOSFET based power amplifier create an extraordinarily rich, full-bodied musical experience few products can match. The Stellar Strata MK2 is the perfect foundation for those unwilling to compromise sound quality. Rich. Lush. Powerful. A music lover's answer to spiraling cost-no-object equipment without sacrifice.

Design

The idea of combining a cutting-edge DAC, full-featured analog preamplifier, high-definition MC/MM phono preamplifier, and a robust 150-watt per channel power amplifier was the basis of the Stellar Strata™ design imperative. We wanted an easy, simple, no-compromise musical experience, whether playing from a connected transport or tracking amazing vinyl. "Just add speakers" became engineering's rallying cry. Strata MK2 holds true to its promise of audiophile plug-and-play. Connect your speakers or headphones, press play, or lower the needle onto your vinyl, and music filled with the rich textures and toe-tapping energy you've always hoped for will delight even the most critical music lover.

Application

Audiophiles have long recognized the challenge of interconnecting multiple systems into a single synergistic musical experience. Interconnect choices, power supply options, and chassis isolation requirements all play into the building of a truly musical system—get any one part wrong and the system performance is compromised. Not so with Stellar Strata MK2. The chance for PS Engineering to optimize the audio synergy between Strata's four separate systems was immediately appealing: eliminate the variability of interconnection issues, voice the entire system as one component, optimize power supplies, control every aspect of sound quality up to the speakers.

Technology

Overview

At this instrument's heart is a new analog attenuator that elegantly solves the fundamental problem facing preamp designers. Volume control. Nearly all analog preamplifiers use sonically degrading elements inserted in the signal path to control volume. The MKII eliminates this problem by using an all new no-loss analog attenuator in response to front panel controls. Once the connected source has passed through the Class A analog preamplifier, it's time to connect to your speakers. Here, engineer Darren Myers used the Analog Cell where he could lavish upon the music the sweet, tube-like quality of Class A biased MOSFETs. Combined with the ruler flat high linearity of Strata MK2's high current output stage, richly overlayed layers of music’s inner details are preserved even in the most complex orchestral crescendos.

The Inside Scoop

Once the high definition phono stage or connected source has passed through the Class A analog preamplifier, it's time to connect to your speakers. Here, engineer Darren Myers used a new version of our Analog Cell where he could lavish upon the music the sweet, tube-like quality of Class A biased MOSFETs. Combined with the ruler flat high linearity of Strata MK2's high current output stage, richly overlaid layers of music’s inner details are preserved even in the most complex orchestral crescendos. There's nothing like Strata MK2 when it comes to musicality. It's an all-in-one high-resolution audio solution just waiting for you to connect your speakers. Bring it on!

Construction

When you first pick up Stellar Strata MK2 Amplifier, you'll notice its solid build and heft. Every inch of Stellar suggests quality: from its rear panel connectors, Darren Myers designed MC/MM phono stage, to its internal high-end power amplifiers. Quality input and output connections, as well as beautifully constructed internals, will offer immediate assurance of quality from the very first moment you pull Strata MK2 out of its box.

Features

• Class A balanced analog preamplifier
• Full function DAC
  
• Class a headphone amplifier
• 150 watt per channel power amplifier
  
• Two I2S input
• Four digital inputs
• Digital lens technology
• DSD direct through i2s
• 192kHz asynchronous coax input
• 384kHz asynchronous usb
• High current class a hybrid output stage

Reviews

John E. Johnson, Jr.

July 31, 2024

I have known Paul McGowan, CEO of PS Audio, for many years and have reviewed a number of his products. They always deliver good value for the dollar, and the PS Audio Stellar Strata MK2 Integrated Amplifier is no exception

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Evan Toth

October 13, 2024

What I heard was incredibly balanced and neutral, Elliot Scheiner’s mix shined in all of its glory. In fact, it occurred to me that this presentation would suffice for constructing a mix in the studio: its presentation was honest and full of detail and space.

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Doug Schroeder - Dagogo

January 6, 2025

It is stunningly efficacious and will likely result in the best sound you have ever heard in your room regardless of previously used equipment. If your collection of separates is $50K or less, you should try it.

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General

Mechanical

Environmental

Features

Performance

Analog Inputs

Phono Input

Analog Output

Main (Speaker) Out

Headphone Output

Power

User Reviews

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