Audio Discussion > Tweaks

Sunfire True Sub - Help Fixing Auto On

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OldiesButGoodies:
I am slowly removing imperfections from the Sunfire True Sub Mark IV sub.  The recent output cap replacements were a huge improvement - the hum appears to be gone and it sounds cleaner and tighter.  The next frontier is the auto-on circuit.  It takes a while for this cube to detect there is music playing and kick in.  I have to significantly pump up the volume in the pre or go fiddle with the potentiometer in the plate amp so it wakes up (the latter erases the level setpoint,  so it is a bit of  pain).   Any ideas on how to troubleshoot this? 

Thanks,

OBG

Reverend:

--- Quote from: OldiesButGoodies on September 23, 2012, 10:51:54 PM ---Any ideas on how to troubleshoot this?
--- End quote ---

Yeah, give it to Tom and Anders to fix.   8)

OldiesButGoodies:
Where is the fun in that?

thuffman03:
Get rid of the POS sub and get a real sub.  Like a JL Fathom.   :laugh:

OldiesButGoodies:
OMG,  did Huff just say what he wrote?  The pope may excommunicate him!

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