1kVA Audio Isolation Transformer
Professional 1kVA transformer used in audio studios to eliminate ground loops and hum in high-end recording equipment. HTS 8504.31.60.00 applies as it's a dedicated electrical transformer with exactly 1 kVA handling capacity. Features low noise design for audio applications.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If part of complete audio mixing console
Microphone/audio frequency components integral to finished apparatus classify under 8518, not as separate transformers.
If power capacity ≤1 kVA but with automatic regulator
Voltage-regulating transformers have separate subheading from fixed-ratio units.
If imported as bare wound transformer core
Unfinished electrical machine parts without housing classify under 8543 rather than complete transformers.
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Import Tips & Compliance
• Provide frequency response and hum reduction specifications to distinguish from general-purpose transformers
• Ensure nameplate clearly states 1 kVA capacity; customs audits focus on power rating accuracy
• Avoid packaging with audio cables that could trigger 'set' classification under different rules
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