LM3886 2.1 subwoofer Fever Level Amplifier Board HiFi Amplifier Board with Protection Circuit Fever Level DIY

Description

Board size: 235(L) * 100(W) * 50mm(H) Output power: 120W (use a subwoofer more than 8ohms, can not use 4ohms) + 68W + 68W 4-8ohms Supply voltage: AC 24V-0-24V (voltage can be selected between 22-26V) Transformer requirements: Transformer power 250W or more, will be better if more than 300W (not use those virtual transformer, use full power) Amplifier board is designed using LM3886TF as the core, supplemented by pre-bass low-pass circuit and left and right channel tone circuit design. Coupling capacitor use four German Siemens 3.3UF, less loss of the angle , delicate sound, high fidelity The main filter capacitor use 6 NOVER gold AUDIO capacitor 10000UF 50V, a total of 60000UF, enough to cope with a variety of large dynamic audio output. Four imported LM3886 composition 2.1 channel output: 120W +68W +68W The op amp uses the Texas 5532 four, the board designed with a transport seat, can replace the different levels of fever op amp, easy to upgrade The power amplifier board tuning has a perfect protection circuit: the mid-point voltage protection circuit, boot delay without impact, power amplifier board failure will protect the action, the machine more secure to protect the speaker Note: Before powering up,it must be self-equipped with a good heatsink! No circuit diagram, only with a wiring diagram, if you mind please do not buy. Packing: 1x LM3886 2.1 Subwoofer Fever Level Hifi Amp Board with Protection Circuit DIY