CRGO Wound Core for Audio Output Transformers from Japan
Cold-rolled grain-oriented (CRGO) steel wound core with bifilar windings for high-fidelity audio output transformers in professional sound equipment. Meets HTS 8504.90.96.42 as a precision-wound component for transformer incorporation, preserving audio signal integrity.
Duty Rate — Japan → United States
25%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Document frequency response curve (20Hz-20kHz) to distinguish audio-specific windings from power applications
• Use vacuum impregnation proof to demonstrate insulation quality required for transformer safety standards
• Pair with transformer housing import records for assembly verification if claiming parts status