As an aside, an audio buddy is using a pair of Benchmark AHB2 Power Amplifiers to drive his SoundLab electrostatic speakers to great effect.
Benchmark's specs state it: “combines class-AB, and class-H topologies, using a feed-forward error correction system” (https://benchmarkmedia.com/products/benchmark-ahb2-power-amplifier). My buddy is using two AHB-2’s that are in bridged mode to output enough power for his SoundLabs.
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