Spectral DMA-100

974 € ▲ est. median price 2026 based on 12 trusted listings

The DMA-100 Class A Instrumentation Amplifier, introduced in 1982, was the industry's first wideband, high-speed audio power amplifier and marked the origins of Spectral's unique fast-settling FET amplification topology. Developed by Keith Johnson, it pioneered high-speed instrumentation design techniques in consumer audio and formed the first high-resolution component system together with the DMC-10 preamplifier.

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