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Re: 1.6 passive line xo works!

62.2.246.194

Hi Paco!

The slight buzz comes from the bits of unscreened cable after the now higher impedance in the XO - tweeter amp connection. The attenuator increases impedance and stray fielfs are more easily induced, and before you had the low preamp output impedance soaking up any stray fields.

A very slight attenuation comes from the 100 pF input capacitance of the amp, which forms a capacitive attenuator with the series 2.2nF capacitance, but the resistive divider plays a bigger role. You'll have to play a bit with the values. Therefore a pot isn't too bad an idea to fiddle first and then select one to three optimal divider values.

Generally, very often an increase in resolution and reduction in distortion and grain makes the sound less bright, sometimes up to an irritating degree, in the first moment. If you eliminate diffraction you get a similar feeling: The definition isn't anymore where you expect it: In hyped harmonic or etched isolated 'details'. It is rather back there where it was first: In subtle shadings of timbre, natural and more expressive micro-dynamics and in a general feeling of 'breath', often accompanied by an extension in lower range soliidity and extension.

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