tamita Tamita: In this case, it is likely that the load capacity of the power supply is too low. In this case, during higher current pulses, the voltage (12v) drops suddenly, which may cause the device to start. Using a higher power supply or a higher value capacitor (min. 4700 uF 16 V for the power supply) can eliminate the fault.

tamita Normally the maximum power that can be taken from one output stage: (in case of complementary) Pmax = Usup on the square divided by 8 times the load resistance this is an ideal value, hence the loss of efficiency. Where Pmax = max power Usup = supply voltage Rload = speaker resistance (1kHz) So: 5x5 div. 8x4 = 0.781, this results in a loss of efficiency of about 75% = approx. 0.586 watts (voltage in volts, load in ohms) Given that in the present case the device is advertised as 50 watts, I could only determine the desired value by measurement. tamita

tamita Yes,it comes with a heatsink. Igen, tartozik hozz egy htborda.

tamita Therereally is no separate temperature sensor. The control is achieved in such a way that the heating is pulsed and measures the resistance of the heating element during the pause. The higher temperature heater has a higher resistance. The mechanism of temperature control is based on this. Valóban nincs külön hmérséklet érzékel. A szab

tamita Ihave not received the device to date, I have no experience.

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tamita Sajnos,ez a termk nem rkezett meg hozzm! Unfortunately, this product did not arrive to me!

tamita Igen,a készülék alkalmas a jbl a140 hi car coaxial speakers üzemeltetéséhez, más kérdés, hogy az autóban általában csak 12 volt van jelen,Ebben az esetben sokkal kisebb teljesítményt tud.Yes, the device is suitable for operating the jbl a140 hi car coaxial speakers, another issue is that there are usually only 12 volts present in the car, in this case it has much less power.