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Posts by Avro_Arrow

No, it doesn't work like that. You have to bias each op-amp output that you want to have in class A. Your not injecting bias into the V- rail, your drawn a small current from the output to the V- rail.Some op-amp benefit more from this than others, your mileage may vary.
If you are lucky you might get away with just replacing the output MOSFETs and resistors. I was not so lucky. I tried to repair a B22 board and it just kept blowing the outputs. I recommend building a new channel.   Good luck!
A cMoy is what a cMoy is. It doesn't really go out of date. Tangent's guide is pretty good at holding your hand through the process. Just read it all the way through. Let us know how it goes!
I want to abide by the thread rules of not saying anything negative, so I will just keep quiet.If the snake oil makes them happy then let them be happy.
Here is my contribution:   317/337 (and family) adjustable regulator tweak.   Replace the voltage setting resistor with a semiconductor.   Typical 317 regulator implementation:   Typically R2 sets the current through R1 and the voltage drop of R1 plus 1.25 volts is the output voltage.   Now if we replace R1 with an LED or two, we get this:   Now, once again, in this schematic, R1 sets the current and the voltage drop across the LED(s) plus 1.25 volts is...
Lawn Flower  
I did something like that back in the early eighties...
That's just a graph of it's frequency response. It doesn't tell you anything about it's impedance characteristics.
First off, make sure you are using the dynamic impedance of the driver at the cut-off frequency you desire. If a driver is listed in a catalog as, say, an 8 ohm driver, if you hook up your multimeter across the voice coil, that is roughly the reading you will get. With the driver playing music, the actual impedance will vary. It can go as low as the static resistance, but will more likely be several hundred ohms at higher frequencies. You need to get the impedance plot...
My question would be: Do you have the resources to employ the CM6631A? Access to these resources usually requires a NDA with CMedia.
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