Four key double row circular sign HFH-75
Production feature: lead-free soldering
Tone: Bb/F
Inner tube size: 11.9mm
Bell mouth diameter: 311mm
Horn type: split structure
Variable sound tube: double row
Button: Monel alloy, four key structure rotary valve quiet and sensitive
The horn mouth is processed in the audio frequency band
Blowing pipe/body and bell mouth: made of gold and copper material
Rotary valve cover: nickel silver alloy, hand carved
Sound rod action: mechanical transmission type
Surface treatment: paint gold
Official website retail price: 11800
Product Description
Production feature: lead-free soldering
Tone: Bb/F
Inner tube size: 11.9mm
Bell mouth diameter: 311mm
Horn type: split structure
Variable sound tube: double row
Button: Monel alloy, four key structure rotary valve quiet and sensitive
The horn mouth is processed in the audio frequency band
Blowing pipe/body and bell mouth: made of gold and copper material
Rotary valve cover: nickel silver alloy, hand carved
Sound rod action: mechanical transmission type
Surface treatment: paint gold
Official website retail price: 11800
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