Hi all, got an old (1997) HRD on my bench at the moment. Everything is now working properly except now turning up the reverb control to anything beyond "off" is causing high pitched oscillation. The frequency drops slightly as I turn up the control.
Any idea what this could be? It does it regardless of whether or not it's connected to a speaker or dummy load.
Any idea what this could be? It does it regardless of whether or not it's connected to a speaker or dummy load.
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