LM3886 Mounted 2x68W DC Dynamic Feedback Amplifier Board

Technical parameters:

•Operating voltage: AC double 26-28V

•Input impedance 22K

•Amplification about 33 times

•Output power 2x68W;

•Circuit board size: 120x92.5mm

•PCB thickness 2mm, copper thickness 2 ounces

Module design features.

•Output center point using DC DC servo

•Adopts mixed voltage and current feedback loop

•C1237 to form a complete horn protection

Basic configuration:

•Amplification adopts LM3886 chip.

•Adopts LF353 center point servo

•Adopt voltage-current mixed feedback loop

•Japan ruby or black gold steel filter capacitors

•Germany Siemens decoupling capacitor

•Japan Omron silver contact relay

Transformer selection

•Output power >150W

•Output voltage 26-28V, three-wire type with center tap

Package:

1pc LM3886 Mounted 2x68W DC Dynamic Feedback Amplifier Board

Payment Method: PayPal preferred

Shippment:
1.We provide free shipping to international via China Post Airmail, and every parcel will be registered with tracking number. We can also ship by UPS/EMS/DHL/FedEx for alternative shipping method for corresponding fees. Please let us know before payment if you need split shipment.
2.International shipping requires complicated shipping procedures (such as both countries customs, transit stations etc.), also will be affected by many factors, such as holidays, weather conditions etc, If you have not received your shipment within 30 days from payment, please contact us.
3.Time of Delivery:Based on the China Post Airmail and our experience, kindly please be noted that To United States / United Kingdom / Australia, it takes around 10-15 business days; To Canada, it takes around 12-18 business days; To Brazil / South America, it takes around 25-35 business days. To Italy / France / Spain / Germany/ Eastern Europe, it takes aournd 15-20 business days.

Returns & Replacements & Repair:
We accept returns & replacements within 30 days from the day the customer receive the products, please make first contact within 30 days from receiving the order. Products should be returned in original condition. As a benefit to our customers, we also provide repair within 3 months from the day when this item is shipped out, after repair is done, we will send you the item, but the customer should pay both shipping ways.

Feedback:
1)Your Feedback is really important to us, please take a few seconds to leave great feedback if you are satisfied with our product or service, thank you so much!
2)We always offer the lowest price for best goods and service to you.
3) Please contact us before leaving neutral(3 stars) or negative(1-2 stars) feedback.We will try our best to solve the problem and leave you a happy shopping mood here. Thank you!