UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Any suggestions on treble issue on a Cambridge A5 amp reignited after 20 years?

Edward Huggins · 22nd Feb 2021, 8:53 pm

It could be that the "Tone Defeat" control, when switched out of circuit, is not restoring the variable Treble control's circuitry. If not that, then the passive components that are associated with the Treble Control, possible a capacitor may have failed? However, I suspect the former.

22nd Feb 2021, 8:53 pm	#2
Edward Huggins Dekatron Join Date: Sep 2015 Location: Southwold, Suffolk, UK. Posts: 8,327	Re: Any suggestions on treble issue on a Cambridge A5 amp reignited after 20 years? It could be that the "Tone Defeat" control, when switched out of circuit, is not restoring the variable Treble control's circuitry. If not that, then the passive components that are associated with the Treble Control, possible a capacitor may have failed? However, I suspect the former. __________________ Edward.