They firmly believe that if they hear a difference, they should be able to measure it. Then imagine that these guys at Benchmark STILL listen for differences and THEN figure out a way to measure those differences. Take a look at the products they make, and take a look a the specs, and look at the unbelievably crazy good specs verified by numerous people taking measurements with the best gear available to do so. We then add this test to our arsenal of measurements.Įven though measurements show no flaws, they still listen, and if they identify something different, they figure out a way to measure what they heard. If we hear something, we go back and figure out how to measure what we heard. When all of the measurements show that a product is working flawlessly, we spend time listening for issues that may not have shown up on the test station. At Benchmark, listening is the final exam that determines if a design passes from engineering to production. Measuring article caught my attention right away. While investigating these amps I enjoyed reading Benchmark's VP and chief designer John Siau's application notes. I believe the AHB2 amps will be a significant part of my music listening system. However, what I don't want is anything to possibly hinder me from hearing the best I can hear, or at least that is what I am chasing right now. I'm just not good at identifying the differences like some others that are apparently able to do so. I am NOT stating there are no audible differences, and it does NOT mean I am NOT hearing a difference. Yet I've always been a proponent of not being able to identify any audible differences in quality solid state amps, which includes most all amps as far as I'm concerned, provided they are not over-driven. Lately I've been considering a little higher end gear to make sure I'm not missing anything in my music listening. I learned from talking with Rory Rall of Benchmark that they have paired up the AHB2 amps with several MartinLogan speakers over the past few years at various audio shows to show how well they pair with electrostatic speakers. These will power my ML 15A's in mono mode. and verified by Amir at AudioScienceReview who has the AHB2 at the top of his list for amps: Ī black pair landed at my shop today and I happily brought them home with me, since I paid good money for them. Output noise relative to 2.83 Vrms, A-weighted, inputs shortedġ kHz, 80 kHz LPF, at full rated output into any rated loadġ kHz, 20 kHz LPF, at full rated output into any rated load
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