Phase Linear 400, SERIOUS AC!

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Umm ok, anybody have a stupid sign for sale? Wild goose chase on my end. My test points were inaccurate as it turns out, just wasn't paying attention to the schematic basically. Right side dialed right in to 300mv after 5 min. run time and compensates when heat sink is warmed up. SWEET! The left channel however is another story running at 0.00mv! So whats the next direction to head? Q6 is wired correctly and checks out OK as well. Were getting closer!
 
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