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#1 |
diyAudio Member
Join Date: Jun 2007
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hi,
I'm looking for a simple schematic of a 2 way 12dB/oct active crossover with 12AU7 or 6CG7 the crosover frecuency should be 2khz (aprox). |
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#2 |
frugal-phile(tm)
diyAudio Moderator
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community sites t-linespeakers.org, frugal-horn.com, frugal-phile.com ........ commercial site planet10-HiFi p10-hifi forum here at diyA |
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#3 |
diyAudio Member
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You can download a X-over designer from Elektor Electronics:
Tube-Based Crossover Gives you a PCB-designer as well.
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/Magnus Due to economical cutbacks, the light at the end of the tunnel has to be switched off. |
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#4 |
diyAudio Member
Join Date: Jun 2004
Location: Indiana
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A related question. It has been a looooooooonnnnnnnnnngg time since linear circuit analysis class. Can anyone explain how to derive the transfer function for that 3rd order LP as shown in the above link? Does one have to model the tube or can you somehow derive the voltage division of the ladder network and then layer on the effect of the feedback capacitor?
I would like to understand this circuit well enough to move poles around and also adapt it to sand (sorry I got lots o sand and low voltage power transformers on hand on no tube stuff yet). mike |
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