Ever since he introduced the first high-powered solid-state amplifier in 1971, Carver has been laying waste to conventional wisdom with one brilliant design innovation after another—the "magnetic amplifier," the "peak unlimiter," the "sonic hologram generator," the "auto-correlator," the "asymmetrical charge-coupled FM Detector," and the ... Oct 26, 2014 · Earlier this weekend, I was digging around the house and found my uncle's old Carver 900 "Magnetic Field Power Amplifier." Having just purchased the HifiMan he-400s but not having enough to spend on an extra amp at the moment, I decided to test out the headphone amp on it, in case it was an improvement on my PC soundcard (already fairly decent). Sep 28, 2019 · Bob Carver Amplifier Challenge Many years ago Bob Carver made one of his solid state amps sound like a very high cost tube amp. It convinced Stereophile they sounded the same.