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1pc LM3886 Installed Parallel 2*150W Dual-Channel Combined Amplifier Board

Technical parameters:
-Output power: 150W +150W (4Ω) THD = 0.03%
-Working voltage: AC27V (rear stage power supply), AC12V front stage tone power supply
-Working type: front and rear stage combined class A and B
-Input impedance: 50K
-Output Impedance: 2-8Ω
-PCB size: 176 x 130 mm
-Product height: 50 mm

Circuit Features:
-Two LM3886 outputs per channel in parallel to easily drive low-impedance speakers
-Separate power supplies for preamplifier and postamplifier.
-Power rectification using high-speed low-resistance rectifier and high-speed low-resistance filter capacitors
-Equipped with tone and through switch
-U1237+Japanese OMRON relay to form speaker protection

About transformer.
-Transformer power not less than 300W
-Power amplifier: AC (27V +0 +27V), distribution power 250W
-Pre-tone: AC(12V+0+12V), allocated power 50W

Package：

1pc LM3886 Installed Parallel 2*150W Dual-Channel Combined Amplifier Board

Payment Method: PayPal preferred

Shippment:

We provide free shipping to international via China Post Airmail. We can also ship by TNT/EMS/DHL/FedEx for alternative shipping method for corresponding fees. Please let us know before payment if you need split shipment.

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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