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European Union 
Power
Tube output
Isolating
High voltage HV type
For tubes
Three-phase
Autotransformers
Transformers with output powers and voltages other than shown abowe are available on individual order.
Please write or call us:
6550 vacuum tube made by Electro Harmonix – tetrode
6550 vacuum tube made by Electro Harmonix it is the most interesting from actual 6550 production. It offers full dynamic range with a little bit of tube sweetness.
When ordering a pair or it`s multiples, the tubes are matched free of charge in configurations: pair, quad, sextet or octet.
