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220V 12V Power Audio Amplifier Toroidal Transformer for DVD

Basic Info

Model NO.:30va 40va 50va 60va 100va 120va 150va 200va 300va
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 Transforemr No-Load Test
Test Process2:Toroidal Transformer Surface Inspection.
Frequency:10Hz-20kHz
Trademark:Grewin Audio Toroidal Transformer
Specification:CE
Origin:China
HS Code:85043190

Product Description

Name:

220v 12v Power Audio Amplifier Toroidal Transformer for DVD


1.technical parameters


Power InputVoltage(V) OutputVoltage(V) Dimension
OD*H(mm)
Weight(kg)
GWB50VA 220V(230V) 12V 80*38 0.74
GWB100VA 220V(230V) 12V 95*45 1.25
GWB200VA 220V(230V) 12V 112*52 2.05
GWB250VA 220V(230V) 12V 118*54 3.36
GWB500VA 220V(230V) 12V 140*65 4.2
GWB1000VA 220V(230V) 12V 170*75 7.2
GWB1500VA 220V(230V) 12V 180*85 9.75
GWB2000VA 220V(230V) 12V 185*105 12
GWB3000VA 220V(230V) 12V 200*120 16.6
GWB5000VA 220V(230V) 12V 230*135 24

<
ToroidalTransformer
Power Dimension(mm) Efficiency% Current Weight
GWB20VA 60*25 >82 10mA 1.200.45kgs
GWB30VA 65*35 >84 10mA 1.200.50kgs
GWB50VA 70*40 >88 20mA 1.151.30kgs
GWB100VA 85*60 >90 30mA 1.151.50kgs
GWB120VA 90*75 >93 40mA 1.102.00kgs
GWB200VA 110*80 >93 100mA 1.102.80kgs
GWB300VA 120*80 >94 150mA 1.083.50kgs
GWB500VA 130*80 >94 150mA 1.085.00kgs
GWB800VA 140*85 >94 200mA 1.086.50kgs
GWB1000VA 140*85 >95 300mA 1.058.50kgs
GWB1500VA 160*90 >95 400mA 1.0512.0kgs
GWB2000VA 180*90 >95 400mA 1.0515.0kgs
GWB4000VA 220*95 >95 500mA 1.0520.0kgs
GWB6000VA 250*95 >95 500mA 1.0525.0kgs

2. We have abtained VDE,UL,CE,ISO9000 approval .we guarantee quality is the first.
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.
3.customized audio toroidal transformer and solar energy transformer Application:




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


2). Advantages:
1.High quality 100% copper core

2.a full range of toroidal transformer

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

4.With 14 years' producing history in transformer induatry

5.ourcompanyhavecooperated 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.TianjinGrewinTechnologyCo.,ltd.hasalwayslayinggreatemphasisonourcorebusinessphilosophy"QualityandHonestyFirst".
2.Flow chart of trading activities:

NO

Step

Days need

1

Request for quotation

1 day

2

Making quotations

1 day

3

Offer and counter offer

3 days

4

Sending and receiving samples

3-10 days

5

Sample confirmation

3 days

6

Placing a firm order

1 day

7

Paying and receiving the down payment

1-4 day

8

Factory production & Quality inspection

15-20 days

9

Paying and receiving the balance

4 days

10

Delivery of goods

1 days

Contact Information:

Vic
Tianjin Grewin Technology Co.,Ltd.
Email:
tel:
MT:
Website:



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