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Ahlbrandt Corona Treater Spares - Control/Rectifier Racks

We currently have Ahlbrandt 8440 Control/Rectifier racks available; both are from the 8401 to 5401 later rack series.   These can be interchangeable with earlier racks, including the earliest with analogue meters.  

Condition of both racks looks to be above average. Please ask us for more info, ex-works UK £ price and images.  

We also hold numerous stocks of other PCBs, Thyristors, Capacitors, Inductors and many other bespoke parts from this range.

Our stocks change often, so please give us a call on +44 1844 355221 or pop an email to with an idea of what you’re looking for and we’ll do our best to help you.

Ahlbrandt Control Rectifier Rack