Best 500va Toroidal Auto Transformer Suppliers for Audio
| Customization: | Available |
|---|---|
| Application: | Power, Electronic, Instrument, Lighting, Rectifier, Audio |
| Phase: | Single |
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Basic Info.
- Core
- Core-type Transformer
- Cooling Method
- Dry-type Transformer
- Winding Type
- Auto-transformer
- Certification
- ISO9001, CE
- Usage
- Single-phase Transformer, Rectifier Transformer, Power Transformer
- Frequency Characteristics
- Low Frequency
- Shape of Core
- Ring
- Brand
- Zhengxi
- Frequency
- 50Hz/60Hz
- Color
- Black
- Single Package Size
- 18X18X10cm
- Dimension
- 149*149mm
- Certificate
- CE/Is09001
- Capacity
- 1000va
- Coil Number
- Single-Winding Coil
- Coil Structure
- Circular Coil
- Place of Origin
- China
- Rated Capacity
- 1000va~4000va
- Output Voltage
- 6V 12V 24V 36V 48V 72V 110V 220V
- Name
- Toroidal Transformer
- Transport Package
- Export Standard Packing
- Specification
- CE
- Trademark
- ZHENGXI or OEM
- Origin
- Zhejiang, China
- HS Code
- 8504319000
- Production Capacity
- 500, 000 Units/Month
Product Description
As one of the best 500VA toroidal auto transformer suppliers, we provide high-quality solutions specifically designed for audio systems and precision electronic equipment. Our toroidal auto transformers are engineered to deliver stable voltage, ultra-low noise, and high efficiency, making them ideal for audio amplifiers, mixers, studio equipment, and Hi-Fi systems.
What Is a 500VA Toroidal Auto Transformer?
A 500VA toroidal auto transformer uses a ring-shaped magnetic core with a single shared winding for both input and output. Unlike isolated transformers, an auto transformer provides higher efficiency, smaller size, and lower cost, while maintaining excellent voltage regulation.
Thanks to the toroidal core structure, this transformer offers:
Minimal magnetic leakage
Very low vibration and hum
Smooth and stable voltage output
These characteristics are especially important in audio applications, where power quality directly affects sound performance.
Why Toroidal Auto Transformers Are Ideal for Audio Equipment
Audio systems are highly sensitive to electrical noise and voltage fluctuations. Our toroidal auto transformers are designed to meet these demands.
Ultra-Low Noise Operation
Toroidal core minimizes electromagnetic interference (EMI)
Reduces audible hum in amplifiers and speakers
High Efficiency & Stable Output
Rated power: 500VA
Low power loss ensures consistent voltage under load
Compact & Lightweight Design
Smaller footprint than EI-core transformers
Easy to integrate into audio cabinets and enclosures
Smooth Voltage Adjustment
Suitable for voltage matching and correction
Protects sensitive audio electronics from voltage stress
Key Features of Our 500VA Toroidal Auto Transformer
Rated Capacity: 500VA
Transformer Type: Toroidal Auto Transformer
High-purity copper windings
Low temperature rise
Quiet operation with minimal vibration
Long service life
Custom voltage ratios available
Factory direct supply for bulk orders
| Power | Size | Weight | Conventional | Mounting | ||
| O.D | I.D | H | Base size | Hole distance | ||
| 20w | 75mm | 40mm | 35mm | 0.6kg | 70*70mm | 60*60mm |
| 30w | 80mm | 40mm | 35mm | 0.8kg | 80*80mm | 70*70mm |
| 40w | 90mm | 42mm | 36mm | 1.0kg | 90*90mm | 78*78mm |
| 50w | 90mm | 40mm | 36mm | 1.1kg | 90*90mm | 78*78mm |
| 60w | 95mm | 42mm | 42mm | 1.2kg | 90*90mm | 80*80mm |
| 80w | 100mm | 44mm | 42mm | 1.4kg | 100*100mm | 90*90mm |
| 105w | 105mm | 44mm | 42mm | 1.6kg | 100*100mm | 90*90mm |
| 160w | 110mm | 45mm | 45mm | 1.9kg | 120*120mm | 110*110mm |
| 200w | 110mm | 46mm | 54mm | 2.3kg | 120*120mm | 110*110mm |
| 260w | 115mm | 46mm | 55mm | 2.6kg | 120*120mm | 110*110mm |
| 300w | 120mm | 46mm | 55mm | 2.9kg | 120*120mm | 110*110mm |
| 360w | 125mm | 50mm | 63mm | 3.7kg | 120*120mm | 110*100mm |
| 400w | 130mm | 50mm | 64mm | 4.1kg | 140*140mm | 130*130mm |
| 500w | 135mm | 50mm | 65mm | 4.6kg | 140*140mm | 130*130mm |
| 600w | 140mm | 42mm | 63mm | 5.2kg | 140*140mm | 130*130mm |
| 700w | 145mm | 45mm | 66mm | 5.7kg | 140*140mm | 130*130mm |
| 800w | 157mm | 45mm | 67mm | 6.6kg | 160*160mm | 150*150mm |
| 1000w | 164mm | 52mm | 75mm | 8.2kg | 160*160mm | 150*150mm |
| 1200w | 178mm | 55mm | 80mm | 10kg | 180*180mm | 170*170mm |
| 150*150mm | ||||||
| 1500w | 190mm | 58mm | 80mm | 12kg | 180*180mm | 170*170mm |
| 150*150mm | ||||||
| 2000w | 200mm | 58mm | 85mm | 14.9kg | 200*200mm | 190*190mm |
| 170*170mm | ||||||
| 2500w | 220mm | 58mm | 85mm | 18kg | 220*220mm | 210*210mm |
| 190*190mm | ||||||
| 3000w | 230mm | 65mm | 90mm | 22kg | 220*220mm | 210*210mm |
| 190*190mm | ||||||
| 4000w | 245mm | 65mm | 95mm | 27kg | 240*240mm | 230*230mm |
| 210*210mm | ||||||
| 5000w | 255mm | 65mm | 100mm | 32kg | 240*240mm | 230*230mm |
| 210*210mm | ||||||















Q 1. what's the payment term?
A. We accept TT,30% deposit and 70% balance against copy of BL.
Q 2. how's the delivery time ?
A. usually it will take about 7-20 days for production. For sample usually in 1 week.
Q 3. Tell me the standard of package?
A. For the small capacity, color box as inner package and carton as delivery package. For big capacity, use strong wooden case for protection.
Q 4. What kind of material of transformer?
A. For servo type stabilizer, we have two types, one 100% copper and the other is copper with aluminum. It depends on your requirement . In fact, those two have no difference if normal work well. Only except the longlife. Copper is better and also higher price. For relay type stabilizer,we use toroid coils, the material is aluminum. comparing with square coils, toroidal coils with high efficiency.
Q 5.Could you offer Form A or C/O ?
A. It totally not a problem. We can prepare relative documents to forgin affairs office or other office to apply for this certificate.
Q 6.Would you accept to use our logo ?
A.Our logo is ZX. If your order,has good quantity,
it absolutly no problem to do OEM.
But you use our logo ZX will be high appreciated.
Q 7.We want to know month capacity.
A. It depends on which model.For example for relay type small capacity , month capacity can reach near 10000pcs and big capacity near 2000pcs.
Q 8.Where is your market?
A. Our products are popular inNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europeand so on.Some of them are our regular customers and some of them are developing. We hope you can join us and make mutural benifit from our cooperation.
Q 9. what kind of certificate you have ?
A. Our company already obtained CE , ISO9001,PCT,SGS. design and technical patents certificates.
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