LM317 LM337 adjustable filtering and regulating power supply board continuously adjustable voltage output suitable for pre-stage

 

Parameter Description：

PCB board high-precision CNC processing: 62 × 85mm

Output positive and negative 1.25-37V adjustable, can be used for preamp earphone, etc.

Easy output double 12 double 15 double 18 fast adjustment! Stable!

Components carefully selected, excellent quality.

Sanyo original high frequency low resistance filter capacitors.

Component output capacitors in parallel 0.1uF output ripple is smaller.

High quality wiring, optimized for many times, the effect is satisfactory.

Used for preamp earphone etc. Voltage is adjustable within positive and negative 35V. Change the resistor value can change the output voltage range, precision control.

 

Package：

1pc LM317 LM337 adjustable filter regulated power supply finished board continuously adjustable voltage output suitable for preamp


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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.

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