In the realm of high-end audio, few names command as much respect as Boulder. Today, we're diving deep into the Boulder 812 DAC Preamplifier review, a device that promises to redefine the boundaries of audio perfection. As audiophiles and HiFi enthusiasts, we at The Audio Tailor are thrilled to explore this masterpiece of engineering that combines the roles of a DAC, preamplifier, and headphone amp in one sleek package.

Unparalleled Versatility Meets Boulder's Legacy

The Boulder 812 is not just another audio component; it's a testament to Boulder's 35+ years of experience in crafting top-tier audio equipment. This device stands as a beacon of versatility, capable of serving as a standalone DAC, a high-end preamplifier, or a sophisticated headphone amplifier. For those looking to elevate their listening experience, the 812 offers a compelling proposition that's hard to ignore.

Audiophile-Grade Performance

At the heart of the Boulder 812 lies a DAC and preamplifier section that builds upon the success of its predecessor, the 866. The attention to detail in the design is evident in every aspect of its performance:

• Pristine Signal Path: With a THD+N of just 0.0017% at 2V output, the 812 ensures your audio remains pure and uncoloured.
• Wide Dynamic Range: A clip-to-noise ratio of 116dB provides ample headroom for even the most dynamic recordings.
• Flat Frequency Response: +0.00, -0.03 dB from 20 Hz to 5 kHz, extending to an impressive -3 dB points at 0.02 Hz and 250 kHz.

These specifications translate to a listening experience that's nothing short of extraordinary. The Boulder 812 reproduces music with a level of clarity and precision that will satisfy even the most discerning audiophile.

A Headphone Enthusiast's Dream

Boulder's first foray into headphone amplification is nothing short of spectacular. The 812 boasts:

• Multiple Connection Options: 1/8" mini, 1/4", 4-pin balanced, and Pentaconn.
• Powerful Output: 200mW into 32Ω and 80mW into 600Ω, capable of driving even the most demanding headphones.
• Low Distortion: THD as low as 0.0010% at 2kHz for various impedance loads.

The inclusion of headphone sensitivity settings via the Boulder Controller app allows for fine-tuning your listening experience to perfection. Whether you're using high-impedance audiophile headphones or sensitive in-ear monitors, the 812 has you covered.

Connectivity and Streaming Capabilities

In today's digital age, connectivity is key, and the Boulder 812 doesn't disappoint:

• Digital Inputs: Two Toslink optical, one coaxial, and one USB-B.
• Analog Inputs: Two pairs of balanced XLR inputs.
• Streaming Features: Roon endpoint, UPnP playback, and AirPlay functionality.

This wealth of connection options ensures that the 812 can serve as the central hub for even the most complex audio systems. The inclusion of streaming capabilities makes it a truly modern device, ready to handle both physical media and high-resolution digital streams with equal finesse.

Boulder Quality, Inside and Out

True to Boulder's reputation, the 812 is built to exacting standards:

• In-House Manufacturing: Every circuit board and piece of metalwork is produced and tested at Boulder's dedicated facility.
• Precision Volume Control: 100 dB optically encoded volume control with 1.0 dB steps.
• Elegant Design: From the machined volume knob to the stylish headphone bay cover, every detail exudes quality.

The result is a device that not only sounds incredible but also looks and feels like a premium product worthy of its high-end status.

Pros and Cons

Pros:

• Exceptional versatility as a DAC, preamplifier, and headphone amp
• State-of-the-art audio performance with extremely low distortion
• Multiple headphone outputs for various connector types
• Comprehensive streaming capabilities
• Boulder's renowned build quality and reliability
• Intuitive control via dedicated app and optional RF remote

Cons:

• Premium pricing may not suit all budgets (but the value proposition is strong)
• Lack of single-ended RCA outputs (balanced XLR only)
• No built-in phono stage for vinyl enthusiasts

A New Benchmark in Audio Excellence

The Boulder 812 DAC Preamplifier is more than just a piece of audio equipment; it's a statement. It represents the pinnacle of what's possible when decades of experience meet cutting-edge technology. For the discerning audiophile looking for a device that can serve as the heart of a high-end system, the 812 is an compelling choice.

Whether you're upgrading your current setup or building a new system from scratch, the Boulder 812 deserves serious consideration. Its combination of versatility, performance, and build quality make it a standout option in the world of high-end audio.

Curious about how the Boulder 812 might fit into your audio journey? Our team at The Audio Tailor is always ready to provide personalised advice and insights. Feel free to reach out to us for a chat about integrating this exceptional piece into your system.

In the realm of high-fidelity audio, the Boulder 812 DAC Preamplifier stands as a testament to what's possible when no compromises are made. It's not just a product; it's an experience – one that we believe every true audiophile should have the pleasure of encountering.