Help - Z4 sick on startup

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Help, I finished one channel of my Z4 last night (enough to give her a try) Voltages seen ok but very little gain, lots of distortion and very hot in the area of c10. the pcb and mosfets are well mounted on a very large heat sink.
Thanks in advance for the help,
Ralph

ps: i am a radio ham and this is my first real audio project.
:bawling:
 
If you have a multimeter check C10 to see if it is shorted. Also check the board for solder splashes and to see if you have the right components in the right spots. Triple check it. Did you use the component values as called out in the article? You say the voltages are correct. Make sure of this because it can give us a hint when helping you. It would be handy to note the exact voltages you read.
 
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