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Product description:

Product Name: 1969M FET bile power amplifier board

IRFP448 large tube (disassemble)

Model: 1969M

Supply voltage: single DC12-35V

Output power: 1-25W

Power tube model: disassemble IRFP448 large field effect tube

Large tube IRFP448 large tube version DC12V-35V power supply. Current 30-60MA adjustable, small current sound is very good, the current needs to increase the heat sink, please pay attention! !

Method of adjusting current:

Adjust the "502 adjustable resistance" clockwise to adjust the static to between 10-60MA

Package included:

2Pcs

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Warranty

1. All merchandise will be carefully test before shipping. We will try our best to avoid any quality problem.

2. We promise warranty for quality in one year and we will repair it free of charge. The returning shipping should be paid by customer.

3. If you are not satisfied with the product, Please contact us. We'll provide you a satisfying solution.

Shipment

1.Normmly we will send the goods within 1-3 working days after your payment is verified .

2.Please check if the goods are in good condition and sign before the delivery man leaves.If you find the product is lost or damaged on the way. Please take photo and let the delivery men confirm it. Then we will help you let the shipping company compensate you.