2/28/2024 0 Comments Benchmark ahb2 canadaSaturday or Sunday delivery available upon request for supplemental charge.Royal Mail Special Delivery By 1pm costs between £5.00 - £10.00 on orders to value under £300, dependent on weight.FREE delivery via DPD Local By 12pm on orders to value over £300, including one hour delivery window service 'Predict & Follow My Parcel'.Benchmark considers balanced inputs essential in a true high-resolution system. The low-noise input amplifiers on the AHB2 are equipped with precision balanced inputs. Low-level details and reverb tails are rendered with a stunning resolution. The AHB2 rivals the efficiency of Class-D amplifiers while exceeding the sonic performance of power-hungry Class-A designs.ĭistortion performance exceeds that of class A amplifiers, while the efficiency exceeds that of traditional class AB amplifiers. These tracking rails significantly improve the overall efficiency of the amplifier while the error correction keeps distortion nearly nonexistent. The feed-forward error correction also allows the use of tracking power supply rails. The benefit of low bias current is that very little power is wasted as heat. Benchmark has chosen to maintain a small bias current in the output stage, but this bias current is not critical to the distortion performance of the unit. The patented feed-forward error-correction used in the AHB2 is so effective that biasing of the output devices can be reduced or even entirely eliminated. The result is that the AHB2 has a signal to noise ratio that approaches 130 dB while distortion is at or below the measurement limits of the finest test equipment. Sophisticated shielding and star-quad signal distribution provide outstanding immunity to interference. A low-gain topology optimises the gain staging between the D/A converter and the power amplifier while minimising noise. An unconventional power supply maintains tight regulation and low ripple while minimising magnetic fields. Two new patented feed-forward error-correction technologies eliminate most sources of distortion. The AHB2 breaks is a significant departure from traditional designs. The AHB2 allows you to escape the distortion limitations of classic amplifier topologies and enter the world of high-resolution audio playback. It’s a stunning experience to finally hear full bandwidth high-resolution playback. The AHB2 has a high damping factor that augments its extended low-end to deliver solid, well-controlled bass. The extended frequency response delivers a nearly perfect impulse response, and a nearly perfect phase response. At the other end of the audio spectrum, the low-frequency response extends below 0.1 Hz. The frequency response of the AHB2 extends beyond 200 kHz, to deliver the ultrasonic detail and fast transients captured by high-resolution recordings. The AHB2 delivers true High-Resolution Audio. You will discover previously overlooked nuances, dynamics, and detail in your favourite recordings and experience the full potential of the latest high-resolution 24-bit PCM and 1-bit DSD audio formats. The dynamic range of the AHB2 approaches 130 dB, making it 10 to 30 dB quieter than the typical reference-quality power amplifier. Benchmark's AHB2 power amplifier delivers musical details without introducing the masking effects of amplifier noise and distortion. ![]() High-Resolution audio is only as good as the weakest link in the playback system. Benchmark's goal was to build a power amplifier that could deliver thefull performance of their flagship DAC2 converters, and today's finest high-resolution recordings. The details captured by today's high-resolution 24-bit PCM systems are often lost in a veil amplifier noise and distortion. Most power amplifiers limit system noise performance to the equivalent of a 16 to 18-bit digital system. Benchmark DAC2 D/A converters outperform most high-end power amplifiers by very significant margins. High-resolution recording formats and converter technology have outpaced the development of improved power amplifiers. Power amplifiers are usually a weak link in the audio chain.
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