Another Powerfield SuperCube III by Definitive Technology No sound diagnosis Supercube 3
A Definitive Technology SuperCube III subwoofer internals sent in to be looked at with the complaint of no sound. This is the diagnosis portion where I determine that all 3 of the pots (level, phase, and low pass frequency) are defective. This part 1 the diagnosis.
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00:00 Intro
00:29 Testing the pots
03:09 I ordered spare pots on the last repair
03:41 Testing a new pot
06:41 Testing before repair
07:06 Adding substitution resistors for tests
07:35 It helps if I plug in the audio
07:44 Testing with audio connected
09:37 Final thoughts/closing words
11:10 Bonus footage testing the time delay