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Service Notices

A Service Notice will be issued once a issue has been confirmed and the solution implemented. Service Notices are intended for use by Service Hubs and Distributors.

Sigma SSP

  • #14 - Intermittent or no Audio Output

Sigma AMPs & CA-D200

  • #15 - Amplifier Chassis Buzz - Sigma AMPs
  • #12 - Noise/Hum caused by CAN-Bus - Sigma AMPs
  • #09 - Unit locks on startup- CA-D200

SSP-800/CT-SSP

  • #05 - No Audio Output or whistling
  • #03 - Blows fuse, AC relay clicking

CP-800

  • #14 - Intermittent or no Audio Output
  • #11 - USB Detection issue
  • #06 - Popping Noise on Right Channel
  • #04 - Whistling Sound or No Audio

SSP-600/300

  • #17 - Trade-In Allowance to Sigma SSP
  • #02 - DSP Board Issues

Delta II Amplifiers

  • #16 - Amp blows fuses for no reason
  • #13 - Whistling Tone at Shutdown
  • #10 - Transistor Retention Clips Fail
  • #08 - JFET Biasing Change
  • #07 - Blowing Fuse at Startup
  • #01 - Audible Transformer Hum