LJ GC LM3886TF Stereo Amplifier Class AB 2x68W

LJ GC LM3886TF Amplifier

Average votes for this product
3.0 / 5

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Reference : 9965
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19,92 €tax excl.

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Shipping date: 26-10-2020.

Orders placed before 11AM (GMT+1) will be shipped the same day (working day).

Produit garantie 2 ans

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More info

This small amplifier Class AB will surprise you by its accuracy its dynamics and its excellent resistance of the low frequencies.
It has a rectifier filter capacitor including a speaker protection circuit.
Finally, it incorporates a start delay circuit and protection against overload and overheating.

Easy to implement and small format, it will prove an excellent choice for any DIY amplifier project.

Characteristics :

  • Amplifier LM3886TF Gainclone
  • Output power: 2x 68W under 8 Ohms
  • THD + N: 0.03% (20Hz - 20kHz)
  • Input Sensitivity: 1.57V
  • Power supply: 2x 24V AC (24-0-24) ex: 5649
  • Audio input and output via screw terminals
  • Dimensions: 132x40mm
  • Hole spacing: 126x35mm
  • Requires heat sink / radiator

Data sheet
Channel2 channels (Stereo)
ClassClass A / AB
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Average votes
3.0 / 5
3 reviews
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Note :
Date :
Requires modifications
Power decoupling in this amplifier is poor: it is only bulk capacitors and two 0,1 uF film capacitors. The film capacitors are far from chip terminals so they don't really decouple anything and at the same time are close to the bulk capacitors that are low-ESR, this results in a strong antiresonance effect. You'll need at least to remove the film capacitors and then add something like SMD ceramics at chip terminals on the board back side and also add small electrolytic capacitors. See neurochrome SPICE model for an example - although I cannot recommend using solid polymer capacitors, they sounded weird here.
Also consider shorting the capacitors in feedback loop.
This review has been posted for LJ GC LM3886TF Stereo Amplifier Class AB 2x68W
Note :
Date :
Sonorité assez dure et distord complètement sur les faibles signaux musicaux!
A éviter.
This review has been posted for LJ GC LM3886TF Stereo Amplifier Class AB 2x68W
Note :
Date :
pas mal
Petit module qui fait bien sont boulot
Facilité de mise en oeuvre
Rendu sonore honnête
Ne pas oublié le radiateur adapté
This review has been posted for LJ GC LM3886TF Stereo Amplifier Class AB 2x68W

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