Product Description:
1. The rated supply voltage is ±70V for dual power supply, the voltage in ±55-±80V can work normally.
If it is a ring cow, because it does not have the function of voltage stabilization, the voltage will fluctuate with the power grid, leave a margin when using. Don't connect the positive and negative poles of the power supply wrongly to avoid burning the board.
2. Power supply is recommended for DC dual power supply ± 70V better filtered power supply.
3. 10-18 inch speaker recommended 4 ohm-8 ohm speakers.
4. Although the audio output has a short circuit protection, but try not to short circuit.
5. Before powering on, please check carefully to ensure that the wiring is correct before powering on.
7. This board voltage amplification is fixed at 50 times, if the output power is not enough, depending on the specific circumstances of their own preamplification.
8. Board to dual DC power supply. Single power supply does not work! Supply voltage ± 55V ± 80V, too low to work, too high easy to burn the board.
Board maximum effective power 500W (in the case of ± 75V 4 ohm load input 1V RMS)
9. According to the power formula P = UL / R = voltage * voltage / load can be seen, the power is determined by the voltage and load.
Higher voltage, smaller load, the greater the power, the board for the voltage range means that the board can work properly in this range of voltage.
Not all voltage and load power are labeled so high power output!
10. At any time, the power supply power must be greater than the power of the amplifier, otherwise the volume will not be able to carry, power
The rate will be reduced and cut off the sound, can not reach the corresponding power output.
