No signal injected. Noise is hiss and crackling (popcorn, rice krispies) is immediate at turn on. Temp is around 62F. I have more NTE158 I can swap out for a test.
I swapped Q2 with the NTE158. Noise is still there.
Also tried a new 22uF coupling cap at Q2 collector. Noise is still there.
I swapped Q2 with the NTE158. Noise is still there.
Also tried a new 22uF coupling cap at Q2 collector. Noise is still there.
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