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"The job you guys did on Manhattan Wildlife Refuge and Tiger of San Pedro by Bill Watrous exceeded my expectations. The sonic quality and texture was really as good as the day the vinyl was brand new. Having these in a form which will last for a very long time without deterioration is quiet a joy to me. You will certainly get additional business ..."

ABC (automatic bass compensation)

Abbreviation for automatic bass compensation; a circuit utilized in some audio equipment to increase the amplitude of the bass tones and make them sound more natural at low volume levels.