Parasound’s Halo Series JC 1 Power Amplifier and JC 2 Preamplifier

Rational Exuberance

John Curl is a superstar high-end electronics designer. In the early 1970s, he worked his magic on the Grateful Dead’s concert and recording sound systems and later kept the Jefferson Airplane aloft, just before tackling film sound in Hollywood. All of that led to collaborations with high-end pioneer Mark Levinson; together they raised the stakes, considerably, with their legendary solid-state preamplifier, the JC 2, in 1974.

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