This unit is designed to protect loud speakers attached to OCL amplifiers. If an OCL has no in-built protection circuit, a short circuit in its output transistors will allow an uncontrolled DC current through the attached speaker causing it to burn out.The FK649 is designed to detect such a short-circuit condition and disconnect the speaker before damage can occur.

Technical Specification

  • Supply voltage : 12 VDC
  • Consumption : 35mA.max
  • Dimension : 2.32 x 1.34 inches.

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