12/7/2023 0 Comments Cable crossover alternative reddit![]() ![]() Or that an exchange of a capacitor changes the radiation of the tweeter. To my knowledge there is nobody who would seriously claim that there are undiscovered possibilities of sound transmission (from tweeter to microphone). The argumentation when it comes to the sonic effects of components or equipment (such as loudspeaker cables) always boils down to "previously undiscovered/unmeasurable electrical phenomena". Why were the measurements made in this way? The measurements were performed with the measurement software Arta in dual-channel mode with pink noise.Ī test measurement consists of the average of three consecutive measurements to minimize influences like voice coil heating of the tweeter, environmental influences (etc.). We use the SB21RDC tweeter from SBAcoustics and a calibrated iSEMcon EMX-7150 as measuring microphone. Every capacitor is connected in series to the tweeter. The tweeter is measured in the near field. The brown curve shows the frequency response of the ideal chassis with a 2.7♟ capacitor in the crossover section of the driver, the red curve shows a capacitance of 12♟. The example below shows an ideal driver (frequency response would be dead straight at 90dB sound power level, also ideal constant 8 Ohm impedance). To put it simply, the capacitor lets the high frequencies pass and suppresses the low frequencies and in our case creates a high pass. ![]() Replace resistor by low-inductance resistor - Is it audible?Ġ) What does a capacitor in the crossover of the chassis do? ![]() replacing a standard film capacitor with a high-end capacitor in the crossover of the tweeter.Ī high-end capacitor can cost hundreds of times more than a standard film capacitor, so it makes sense to take a closer look.Įlectrolytic capacitors are a special case, as they age faster and change their capacitance value in the process - These will be discussed in the second part here.Ĭapacitor upgrade in crossover - Is it audible? The typical case for which a "capacitor upgrade" is recommended is e.g. In this setup, replacing a capacitor should theoretically have the greatest effect on the sound of the loudspeaker. What is considered in the review? Only the effect of replacing a capacitor in series with a chassis and only the audible part of the frequency spectrum is considered. Sorry for this and I hope your attention span is still sufficient to read through a long text - whereby the pictures clearly predominate As the topics "capacitor upgrade" and therefore "capacitor sound" is very controversial, the test method and its results are explained in detail. ![]()
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