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ping7507

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A question for fans of Threshold amplifiers
It must be the model S550e. I don't know why the former owner did these things. I just hope that the original specifications of the transformer information can be retrieved. 
A question for fans of Threshold amplifiers
Hi.every threshold fans. anybody have a threshold S550e transfomer specific information,cos I need to find out.i brought this amplifier by last years and I saw in others website should be two transfomer.now mine is only one .Thank you all...