what do you mean by that?
becouse out over that, it can be hard for only one pair of input J-fets.
well. it can handle 4 pairs. 3pairs may be the better chose.
and with +/-40V rails. you want to get someting out of it. with somewath high bias. to get full out of +/-40V you need 2.4A bias
that is at 8ohms.
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Cascode vill take 40 V rails
But to keep thermal down (max 50 w disipation for each mosfet with proper heath sinks)
you wuld have to bias at 1 A for each mosfet with a bit of safety margin
So you run out of class A at about 8 V (but duble cek my maths) which ain't bad depending on speakers and listening abits.
To find out how much power you need cek this out
http://www.diyaudio.com/forums/mult...much-voltage-power-do-your-speakers-need.html
But to keep thermal down (max 50 w disipation for each mosfet with proper heath sinks)
you wuld have to bias at 1 A for each mosfet with a bit of safety margin
So you run out of class A at about 8 V (but duble cek my maths) which ain't bad depending on speakers and listening abits.
To find out how much power you need cek this out
http://www.diyaudio.com/forums/mult...much-voltage-power-do-your-speakers-need.html
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