Name:Toroidal Power Transformer For Household Audio
We have abtained ISO9001:2015,IEC,CE approval .we guarantee quality is the first.

Features:

1. Especially low-hum and low-dispersing construction, Low-level of induction

High-grade design casing possible,Statically shield winding and magnetical shield winding optional.

2. Low noise transformer designs will meet your audio needs.

3. In an audio application, unfiltered noise or unwarranted harmonic distortions can produce signal spikes that will affect the overall sound quality. Our unique Quiet designs will provide a long term solution for your audio needs, while not sacrificing overall size and cost.

4. More than ten years experience in this industry, our engineers will work closely with your team and develop the best solution for your audio application.

General Data:      

1.Rated input voltage 230 Vac      

2.Rated output voltage 2 x 12 - 2 x 35 Vac      

3.Power 15 - 625 VA      

4.Insulation class B      

5.Maximum ambient temperature 40 °C      

6.Efficiency up to 95 %      

7.Degree of protection IP 00

Advantages:      

1.Minimum size at high output      

2.Low weight      

3.Double output voltage for series or parallel connection      

4.Protected against overload by integral temperature fuse      

5.Minimal no-load losses      

6.Outstanding temperature behaviour thanks to low magnetic leakage field  

7.Very low noise field

Application:

Power amplifier / Line Level Preamplifier / Acoustic Monitor / Power Conditioner      Aktive subwoofer / UniField Speaker / Loudspeaker / Center speaker              Powered subwoofer system / Indoor Or Outdoor Bookshelf Speakers / Home audio

Receivers / Theater amplifiers / Zone amplifiers  / Multi-room amplifiers / Network amplifiers / Art speakers

High Quality Toroidal Transformer for Wind Energy

1.  technical parameters.

 2.Waterproof outdoor toroidal Transformer's:105VA-1000VA :


2.  Test process

1  .No-load test (included no-load voltage,no load current and no load loss)

 2.iInductive voltage test 

 3. Load test (load voltage and temperature rise

 4. Temperature rise test .

 5.Insulated resistance 

 6.Hi-pot test 

 7.Leakage indutance test 

 8.DC resistance test 

 9.Surface inspection.

 1)
1. audio equipment 
2. electric control
3. computer
4. solar device
5.telecommunications
6.high-end and middle-end vedio etc

2).  Advantages:

3.Specially sales and technical services:5-10Years

4.With 14 years' producing history in transformer induatry

5.our company have cooperated with many customers around the world and gained good reputation at home and abroad.

 

3).Note
The above-mentioned toroidal transformer is frequently-used, we can also manufacture the products by customer design. And the specification is for reference, if has the change further, please take the material object as the standard.


4).GREWIN'S Dimension :
External diameter: 40mm-300mm, height :13mm-130mm, Efficiency: 75-98%
we can design the appropriate products according to customers' requirments such as installation dimension, input and output voltage,power...etc.)

 4.product procedure 

The following picture showed you about all finished toroidal transformer production line and package with export standard carton and strong pallets:

 About us:

 1. Tianjin Grewin Technology Co.,ltd. has always laying great emphasis on our core business philosophy "Quality and Honesty First ". Due to continuous innovative research and development, our products have meet the technical standards and safety standards , which are efficient and environment-friendly. As a professional leading and a main exporter of a wide variety of electronic components in China for many years, we adhere to new products, quality to meet the needs of you and welcome all of you to negotiate.


2.Flow chart of trading activities: