The article tell us how to choose the capacitor, I believe we should learn a lot. But in fact capacitor will have error, but also will change with the influence of surroundings. Today about the capacitor is easily affected by what conditions.

Signal pressure (SIGNAL) and a capacitor (WV):

In order to load the power amplifier output signal voltage, and for the crossover capacitor voltage value must value is higher than the designed power amplifier output voltage signal PP PEAK-PEAK, generally are high out of 30% - 40% as a safety value (will not be too high voltage value so as to increase the deadweight cost), most of the power amplifier output signal voltage does not exceed 30vac, so with a pressure value 50V can, of course, withstand voltage 100V more insurance,

No effect on the value of bearing power (power) and the size of the capacitor voltage, but the capacitor can ripple current at current) the loss angle value (DISSPATION factor) on the bearing capacity,

The signal power (POWER) and capacitor loss angle:

Word capacitor bearing size and power loss angle value connection and loss angle value lower bearing greater power, loss angle value higher power load is small,

What is meant by loss angle (DISSPATION FACTOR- abbreviation DF)? Signal through the capacitor phase angle with 90 degree angle between said for loss angle (DISSPATION FACTOR- and referred to as DF), standard capacitor phase angle is negative 90 degrees (loss angle is zero, the ESR impedance value is zero) and DF value is lower, the ESR impedance value is more low,

Such as signal through standard capacitor phase angle is negative 90 degrees, so capacitor phase angle closer to 90 degrees, the loss angle value is lower, so the carrying power is greater, if there is a standard capacitor, because the phase to - 90 degrees. That is to say loss angle value is zero, ESR impedance value is zero, so can carrying infinite power,

Sound quality (TONE) and capacitor loss angle:

Loss angle value and the level of capacitor grade series internal resistance (ESR) is proportional to, loss angle value lower internal resistance is low, loss angle value is higher in resistance is high, so the sound quality and loss of horny level is inversely proportional to, loss angle value lower internal resistance is low, so, the better sound quality, loss angle value is higher, the internal resistance of the higher, so the tone quality is poor,

The frequency response (FREQUENCY RESPONSE) and a capacitor loss angle:

Rate of change in capacitance and level with a capacitor in different frequencies, the loss of value and the capacity value is not the same, usually the work frequency is high loss angle value is large (capacity value is smaller, the rate of change of the size and the capacitance loss angle value is proportional to the loss angle value is low change rate is small, the loss angle value is high change rate is large, so that the frequency response of the capacitance loss angle value is closely related to, the loss angle value is low, because of its various frequencies the loss angle value and the capacity value is small, so the frequency response is flat (through the wider frequency) and loss angle value is high, on the other hand,

Most of the divider capacitor can be the test frequency specified in 120Hz or 1kHz requirements can tolerate the highest loss angle value (e.g. 10% 5% 4% 1% ~ 3%. ..), but in order to bring the frequency response more flat in order to perfect (usually to make high frequency is treble curves do not be pulled down) can also be capacitor specified the testing frequency is high frequency (e.g. to 3kHz 6KHZ 10kHz even 20kHz, the best is frequency and the same set of crossover points) to set the maximum allowable loss angle value and rated capacitance value of the professional audio capacitor industry can coordinate to achieve the requirements,

Sound transmission speed (SPEEDY OF TRANSMISION) and a capacitor loss angle:

Such as proportional to the series capacitor and the aforementioned loss angle value of the high and low level of internal resistance (ESR), so in addition to the sound quality is good or bad and loss angle value connected, the sound transmission speed also and the loss angle value is closely related to, loss angle value lower internal resistance is low and therefore transfer fast good, loss angle value is high and vice versa,

By mentioned above should be to know the capacitor is good or bad and speakers (whether home or vehicle) have very important connection, capacitor is like the sound of artery, good sound frequency line to have good capacitor also is said capacitor error value should be accurate, voltage values must be adequate, loss angle to low -