Difficult Speaker Loads Are Handled with Ease "I very much enjoyed my time evaluating the Benchmark AHB2 amplifier and can heartily recommend it to those seeking one of the lowest distortion and lowest noise amplifiers on the planet – one that is very musically transparent and easy on the ears to boot," reports Frank Alles at Stereo Times. This means that the distortion could not be heard, even if it could be played while the music was muted. In most playback systems, the distortion produced by the AHB2 will never even reach the 0 dB SPL threshold of hearing. The AHB2 will never produce audible distortion. Unlike power-hungry Class A amplifiers, the AHB2 achieves a power efficiency that rivals that of a Class D (switching) power amplifier. The small, passively cooled chassis, cleanly delivers 480 Watts bridged mono into 6 Ohms, with additional reserves for driving difficult speaker loads. No amplifier delivers lower noise or lower distortion. The AHB2 is a linear amplifier that surpasses the sonic purity of all Class A amplifiers. Time and again, without ever having intended to, I wound up hours deep in listening to the fringes of my music collection, thanks to the AHB2's reference-level transparency and obscene athleticism." Sonic Purity that Surpasses Class A "If ever there were a giant-killer of an amp, this is it," raves Hans Wetzel at SoundStage! "It is one of the – if not the – quietest, most resolving amps I've heard. Benchmark has raised the bar by introducing a new and revolutionary amplifier! The Quietest, Cleanest Audio Amplifier on the Planetįrom the first watt to the last watt, no audio power amplifier offers lower noise or lower distortion than the Benchmark AHB2. The result is an amplifier that stands head and shoulders above the competition. In its quest, Benchmark also focused on frequency response, output noise, drive current, damping factor, and reliability. No other audio amplifier comes close to delivering the clean, quiet, and robust power of the AHB2. This technology uses feed-forward error correction to eliminate the distortion that is normally produced by the output stage. The AHB2 uses the new and revolutionary THX-patented AAA™ technology to virtually eliminate all forms of distortion. This was exactly the technology needed to build the new amplifier. In its search, Benchmark engineers learned of two new patents on a new amplifier technology from THX. A New and Different Power Amplifierīenchmark had to look beyond existing amplifier technologies and explore some new and radical solutions. Benchmark set out to solve this problem by creating an amplifier that matches the performance of the DAC2. Until now, this meant that the DAC2 could not be fully appreciated. For example, the noise and distortion produced by the Benchmark DAC2 D/A converter is 20 to 30 dB lower than that produced by most high-quality power amplifiers. This means that the power amplifier has become a limiting factor in many audio systems. The Need for Better Amplificationĭ/A conversion technology has outpaced the development of new power amplifiers. In contrast, the revolutionary AHB2 was specifically designed to deliver true high-resolution performance. Most power amplifiers are well matched to the limitations of the CD format, but they fall well short of the capabilities of high-resolution formats. Power amplifiers are a weak link in most audio systems. The musical details and emotion captured on today's finest High-Resolution-Audio recordings can only be fully appreciated when every component in the signal chain is capable of true high-resolution performance. That makes it a bargain." Experience the Emotion "That makes the AHB2 more than a Benchmark. "Combine the AHB2's superb sound quality with its low weight, low noise, low heat, and low cost, and it's clearly an amplifier that must be heard-even by those who can afford amps costing as much as 10 times more," reports Kalman Rubinson in Stereophile, which honored the AHB2 with "Class A Recommended Component" status. With the AHB2, you will discover previously overlooked nuances, dynamics, and detail in your favorite recordings and experience the full potential of the latest high-resolution 24-bit PCM and 1-bit DSD audio formats. The frequency response of the AHB2 extends beyond 200 kHz. The dynamic range of the AHB2 is 132 dB, making it 10 to 30 dB quieter than some of the very best reference-quality power amplifiers. The AHB2 delivers musical details without introducing the masking effects of amplifier noise and distortion. "Class A Recommended Component" 2022 - Stereophileīenchmark's AHB2 is the ideal power amplifier for coaxing the maximum performance limits out of High-Resolution-Audio (HRA) formats.
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