Very useful for my needs. I've only seen such an article at Audiophonics.
New Customer?
Create your account 0
0 item(s) - 0,00 € No products
To be determined Shipping
0,00 € Tax
0,00 € Total
Prices are tax included
Quantity
Total
Product successfully added to your shopping cart
There are 0 items in your cart. There are 0 items in your cart.
Total (tax incl.)
Viewed products
Avis clients
Note :
Date :
2025-06-09
Maik B.
Note :
Date :
2025-06-09
Maik B.
Fast shipping.
Robust and built by Audiophonics at an amazing price.
The sound is excellent. Ranked 5th out of many...
Robust and built by Audiophonics at an amazing price.
The sound is excellent. Ranked 5th out of many...
Note :
Date :
2025-06-09
Theodoros R.
LJM GC LM3886TF Stereo Amplifier Class AB 2x68W - reviews - There are 4 reviews.
Only registered users can post a review. Log in or create an account .
Note :
Date :
2023-01-13
Nikolaos R.
Note :
Date :
2020-10-02
Pavel Z.
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.
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.
Note :
Date :
2019-09-27
Sébastien S.
English 
Français 
