Package Size:10.50cm * 8.00cm * 4.20cm Package Gross Weight:1.800kg Model NO.:3va 10va 150va 300va 800va 1500va 4000va 7000va Cooling Method:Dry-type Transformer Winding Type:Auto-transformer Certification:ISO9001-2000, ISO9001, CCC, CE Usage:Audio Device, Amplifier, DVD, Loudspeaker Frequency Characteristics:High Frequency Shape of Core:Ring Brand:Grewin Audio Toroidal Transformer Model Number:40va Audio Toroidal Transformer and Cable TV Trans Coil Number:Autotransformer, High Flux Density Grain- Oriente Transformer Usage:Electronic, Audio, Instrument, Rectifier, Reactor Transformer for Audio Equipment:Low Rise High Efficiency Toroidal Transformer Leads - Length and Insulation:Secondary Windings Connections 95% Efficiency:Transformer Toroidal Price Design Manufacture Voltage Design:Customized Test Process1:Toroidal Transformer No-Load Test Test Process2:Toroidal Transformer Surface Inspection. Frequency:10Hz-20kHz Transport Package:Export Standard Carton or Customize Strong Pallet Specification:CE Trademark:Grewin Audio Toroidal Transformer Origin:China HS Code:85043190 Production Capacity:50000 PCS Package Size:10.50cm * 8.00cm * 4.20cm Package Gross Weight:1.800kg