2-way crossover question

dikarner · 15th April 2004, 02:22 PM

Hi everyone,

the attached schematics shows the crossover of my speakers (LUA Precision Pro 2/3D).

I have circled the part in question (2x 10uF and 8R2 parallel to the crossover.

Not being an expert I have the question: what might this be good for?

for beeing an impedance correction I am missing a coil.

I tried and took it out of the crossover and did not really hear any difference.

any guess anyone?

thx

Dieter

Bill Fitzpatrick · 15th April 2004, 04:21 PM

It's a zobel network connected across the output of the amplifier. It's may be of benefit to some amplifiers. It doesn't affect the functioning of the crossover.

dikarner · 16th April 2004, 05:30 PM

Thank you Bill.

Is there a way to determine what would be the best values for this Zobel network in regard to my amp / cable combination, which is ARC VT-60 with the ARC Hyperlitz Speaker cables (6 feet).

Dieter

Bill Fitzpatrick · 16th April 2004, 05:52 PM

I never heard of fine tuning a Zobel for a specific amp and cable. You might contact ARC (whovever they are) and ask them.

I would guess that 95%+ of speaker system don't include this Zobel in their product so I wouldn't hesitate to remove it and not concern myself with it any further.

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15th April 2004, 04:21 PM	#2
Bill Fitzpatrick diyAudio Member Join Date: Jun 2001 Location: Eugene, OR	It's a zobel network connected across the output of the amplifier. It's may be of benefit to some amplifiers. It doesn't affect the functioning of the crossover.

16th April 2004, 05:30 PM	#3
dikarner diyAudio Member Join Date: Oct 2003 Location: lower Austria	Thank you Bill. Is there a way to determine what would be the best values for this Zobel network in regard to my amp / cable combination, which is ARC VT-60 with the ARC Hyperlitz Speaker cables (6 feet). Dieter

16th April 2004, 05:52 PM	#4
Bill Fitzpatrick diyAudio Member Join Date: Jun 2001 Location: Eugene, OR	I never heard of fine tuning a Zobel for a specific amp and cable. You might contact ARC (whovever they are) and ask them. I would guess that 95%+ of speaker system don't include this Zobel in their product so I wouldn't hesitate to remove it and not concern myself with it any further.

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