No hay artículos en el carro
No hay artículos en el carroOMAR RENE DIAZ GARIBAY
Comentado en México el 27 de agosto de 2023
El preamplificador al conectarlo al transformador de +- 15v me hacia corto, al investigar descubrí que el puente de diodos de la entrada ac estaba colocado al revés, tuve que desoldarlo y soldarlo correctamente. tengan cuidado con eso. Quitando eso el preamplificador funciona bien.
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Comentado en México el 9 de marzo de 2023
Exelente sonido y llego en el tiempo estipulado
Jhovany
Comentado en México el 7 de marzo de 2023
No se pudo cargar el contenido.
Roberto Cruz Pérez
Comentado en México el 29 de marzo de 2023
No se pudo cargar el contenido.
Aaron S.
Comentado en los Estados Unidos el 24 de abril de 2023
This worked better that a few I purchased definitely a great diy project add on to the sound
J. Bobay
Comentado en los Estados Unidos el 1 de febrero de 2021
The power supply required is a center-tapped 12v-18v AC transformer, not a common DC power supply. Center tapped transformers are becoming much less common than I had realized. I found one in an old 12v power supply, but was expecting it to be DC power. One benefit is that the board takes care of AC to DC conversion very nicely- no hum whatsoever as could be likely in an open circuit board project-type audio device like this one.The boost/cut controls of 3 bands are huge- you would never want to boost or cut to the full extent this allows, but this is a plus- it's not wimpy. If you do need to drastically boost or cut low/mid/highs, this will definitely do it. Input is RCA, output is screw terminals. Even though this is somewhat described as a preamp, it works fine as standard stereo RCA in/out, put the output signal knob around half and basically passes the signal through at the same level. The bass and treble have a nice frequency response- boosting either really gets the low frequency or very high frequencies boosted.Overall, it works very well and is very quiet (no hum, noise, or distortion), but requires a very specific power supply.
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