![]() Obligatory pics of my system with the lucky transducer. The AHB2 is 17 dB quieter than some of the very best power amplifiers on the market. ![]() ![]() I've been using it with Freya (tubes pulled) in strictly passive mode and have a system that can be used for hours without adding any heat to the room, which is huge since it's still in the 100's in Arizona.įeel free to add your impressions and ask any questions you might have for owners of this excellent power amplifier. So, when Benchmark shipped me the AHB2 Reference Power Amplifier (100 watts per channel into eight ohms, 380 watts bridged mono into eight ohms) along with the new DAC3 preamplifier/DAC that I. 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. Benchmark also talks about the low noise nature of the amplifier, Most power amplifiers have far too much gain and consequently they suffer from poor noise performance. I thought Jot had excellent bass response with HE-6 but AHB-2 gives it a little extra weight, yet has all the air and clarity you would expect.īest part about the AHB-2 is that it doesn't even get warm, like, at all. HE-6 though, is definitely more muscular out of the AHB-2. With the dynamics it isn't as warm and smooth, as it's meant to be as transparent as possible. It has possibly better width but slightly less depth than ZD. This application note shows how to connect one or two AHB2 amplifiers to one or two REL subwoofers using the speaker outputs on the back of the AHB2 amplifiers. Benchmark added two 12V triggers, just in case you’ll add another AHB2 and one of their DACs, controlling everything with just a single remote. Many Benchmark customers are using their AHB2 power amplifiers with REL subwoofers. For mono mode, you will need two AHB2 power amplifiers. I recently compared it to my Zana Deux using HD800 and HD650, which I feel present stage width and depth more accurately than planars and the AHB-2 doesn't give up much of anything in terms of staging. You can select between 2, 4 or 9.8 V inputs and another switch lets you choose its stereo or mono (bridged) operation. I've spent a lot of time with the AHB-2, almost 6 hours every day for the last week and a half. 11.04" W x 3.88" H x 9.34 " D - Including feet and binding posts.29 A peak, per channel, both channels driven.190 Watts per channel into 4 Ohms, both channels driven.The three available gain settings (via a mini-toggle switch on the back panel) allowed me some flexibility when mating it with different preamplifiers. 100 Watts per channel into 8 Ohms, both channels driven Turning to the Benchmark AHB2 power amplifier for a moment, it also brought similar transparency revelations when inserted into my existing system although from a different perspective.I wanted to create a thread for this wonderful power amp from Benchmark.
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