VAN DEN HUL VDH1000 Monobloc Amplifiers - HELP!!!

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ghostinthemachine

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VAN DEN HUL VDH1000 Monobloc Amplifiers - HELP!!!

I am currently assisting at Bop Rec Studio where there are 8 faulty VAN DEN HUL VDH1000 Monobloc Amplifiers (and 20 Manley 500 Reference Mono Tube Amps - but thats a different story).

Any advice on sourcing problems and part IDs (not a secret that VDH defaced all the solid-state device used in the amplifiers) would be appreciated. There is some common faults on most of the amps like D.C. offset drift and resistors that are blowed out.


These are the original prototypes (burgundy colour as opposed to the "ferrari red" units sold to the general public) built at the studio by the designer.

 

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